[clangd] Add a test URI scheme for lit tests to unbreak platform-specific URI failures.

Summary:
This should also fix the current windows buildbot breakage
(http://lab.llvm.org:8011/builders/clang-x86-windows-msvc2015/builds/9838/steps/ninja%20check%201/logs/stdio)

Reviewers: sammccall

Subscribers: klimek, ilya-biryukov, jkorous-apple, cfe-commits

Differential Revision: https://reviews.llvm.org/D42735

llvm-svn: 323885

18 files changed, 169 insertions, 146 deletions

diff --git a/clang-tools-extra/clangd/ClangdLSPServer.cpp b/clang-tools-extra/clangd/ClangdLSPServer.cpp
index b700b7f..ba7a414 100644
--- a/clang-tools-extra/clangd/ClangdLSPServer.cpp
+++ b/clang-tools-extra/clangd/ClangdLSPServer.cpp
@@ -12,12 +12,51 @@
 #include "SourceCode.h"
 #include "URI.h"
 #include "llvm/Support/FormatVariadic.h"
+#include "llvm/Support/Path.h"
 
 using namespace clang::clangd;
 using namespace clang;
 
 namespace {
 
+/// \brief Supports a test URI scheme with relaxed constraints for lit tests.
+/// The path in a test URI will be combined with a platform-specific fake
+/// directory to form an absolute path. For example, test:///a.cpp is resolved
+/// C:\clangd-test\a.cpp on Windows and /clangd-test/a.cpp on Unix.
+class TestScheme : public URIScheme {
+public:
+  llvm::Expected<std::string>
+  getAbsolutePath(llvm::StringRef /*Authority*/, llvm::StringRef Body,
+                  llvm::StringRef /*HintPath*/) const override {
+    using namespace llvm::sys;
+    // Still require "/" in body to mimic file scheme, as we want lengths of an
+    // equivalent URI in both schemes to be the same.
+    if (!Body.startswith("/"))
+      return llvm::make_error<llvm::StringError>(
+          "Expect URI body to be an absolute path starting with '/': " + Body,
+          llvm::inconvertibleErrorCode());
+    Body = Body.ltrim('/');
+#ifdef LLVM_ON_WIN32
+    constexpr char TestDir[] = "C:\\clangd-test";
+#else
+    constexpr char TestDir[] = "/clangd-test";
+#endif
+    llvm::SmallVector<char, 16> Path(Body.begin(), Body.end());
+    path::native(Path);
+    auto Err = fs::make_absolute(TestDir, Path);
+    assert(!Err);
+    return std::string(Path.begin(), Path.end());
+  }
+
+  llvm::Expected<URI>
+  uriFromAbsolutePath(llvm::StringRef AbsolutePath) const override {
+    llvm_unreachable("Clangd must never create a test URI.");
+  }
+};
+
+static URISchemeRegistry::Add<TestScheme>
+    X("test", "Test scheme for clangd lit tests.");
+
 TextEdit replacementToEdit(StringRef Code, const tooling::Replacement &R) {
   Range ReplacementRange = {
       offsetToPosition(Code, R.getOffset()),
diff --git a/clang-tools-extra/clangd/Protocol.cpp b/clang-tools-extra/clangd/Protocol.cpp
index bef94d1..a55b50f 100644
--- a/clang-tools-extra/clangd/Protocol.cpp
+++ b/clang-tools-extra/clangd/Protocol.cpp
@@ -31,7 +31,7 @@ bool fromJSON(const json::Expr &E, URIForFile &R) {
       log("Failed to parse URI " + *S + ": " + llvm::toString(U.takeError()));
       return false;
     }
-    if (U->scheme() != "file") {
+    if (U->scheme() != "file" && U->scheme() != "test") {
       log("Clangd only supports 'file' URI scheme for workspace files: " + *S);
       return false;
     }
diff --git a/clang-tools-extra/test/clangd/authority-less-uri.test b/clang-tools-extra/test/clangd/authority-less-uri.test
deleted file mode 100644
index 500e0e0..0000000
--- a/clang-tools-extra/test/clangd/authority-less-uri.test
+++ /dev/null
@@ -1,54 +0,0 @@
-# RUN: clangd -pretty -run-synchronously < %s | FileCheck -strict-whitespace %s

-# It is absolutely vital that this file has CRLF line endings.

-#

-# Test authority-less URI

-Content-Length: 125

-

-{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}

-

-Content-Length: 246

-

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///main.cpp","languageId":"cpp","version":1,"text":"struct fake { int a, bb, ccc; int f(int i, const float f) const; };\nint main() {\n  fake f;\n  f.\n}\n"}}}

-

-Content-Length: 146

-

-{"jsonrpc":"2.0","id":1,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}

-# Test authority-less URI

-#

-#      CHECK:  "id": 1,

-# CHECK-NEXT:  "jsonrpc": "2.0",

-# CHECK-NEXT:  "result": {

-# CHECK-NEXT:    "isIncomplete": false,

-# CHECK-NEXT:    "items": [

-#      CHECK:        "filterText": "fake",

-# CHECK-NEXT:        "insertText": "fake",

-# CHECK-NEXT:        "insertTextFormat": 1,

-# CHECK-NEXT:        "kind": 7,

-# CHECK-NEXT:        "label": "fake::",

-# CHECK-NEXT:        "sortText": "{{.*}}fake"

-#      CHECK:    ]

-# CHECK-NEXT:  }

-Content-Length: 173

-

-{"jsonrpc":"2.0","id":2,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:///main.cpp"},"uri":"file:///main.cpp","position":{"line":3,"character":5}}}

-# Test params parsing in the presence of a 1.x-compatible client (inlined "uri")

-#

-#      CHECK:  "id": 2,

-# CHECK-NEXT:  "jsonrpc": "2.0",

-# CHECK-NEXT:  "result": {

-# CHECK-NEXT:    "isIncomplete": false,

-# CHECK-NEXT:    "items": [

-#      CHECK:        "filterText": "fake",

-# CHECK-NEXT:        "insertText": "fake",

-# CHECK-NEXT:        "insertTextFormat": 1,

-# CHECK-NEXT:        "kind": 7,

-# CHECK-NEXT:        "label": "fake::",

-# CHECK-NEXT:        "sortText": "{{.*}}fake"

-#      CHECK:    ]

-# CHECK-NEXT:  }

-Content-Length: 44

-

-{"jsonrpc":"2.0","id":3,"method":"shutdown"}

-Content-Length: 33

-

-{"jsonrpc":"2.0","method":"exit"}

diff --git a/clang-tools-extra/test/clangd/completion.test b/clang-tools-extra/test/clangd/completion.test
index 702c02a..0d0eaa9 100644
--- a/clang-tools-extra/test/clangd/completion.test
+++ b/clang-tools-extra/test/clangd/completion.test
@@ -8,11 +8,11 @@ Content-Length: 125
 

 Content-Length: 186

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///main.cpp","languageId":"cpp","version":1,"text":"struct S { int a; };\nint main() {\nS().\n}"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///main.cpp","languageId":"cpp","version":1,"text":"struct S { int a; };\nint main() {\nS().\n}"}}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":2,"character":4}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/completion","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":2,"character":4}}}

 #      CHECK:  "id": 1

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": {

@@ -31,11 +31,11 @@ Content-Length: 148
 # Update the source file and check for completions again.

 Content-Length: 190

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":2},"contentChanges":[{"text":"struct S { int b; };\nint main() {\nS().\n}"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":2},"contentChanges":[{"text":"struct S { int b; };\nint main() {\nS().\n}"}]}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":3,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":2,"character":4}}}

+{"jsonrpc":"2.0","id":3,"method":"textDocument/completion","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":2,"character":4}}}

 #      CHECK:  "id": 3,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": {

diff --git a/clang-tools-extra/test/clangd/diagnostics.test b/clang-tools-extra/test/clangd/diagnostics.test
index 2332d670a..49133ad 100644
--- a/clang-tools-extra/test/clangd/diagnostics.test
+++ b/clang-tools-extra/test/clangd/diagnostics.test
@@ -7,7 +7,7 @@ Content-Length: 125
 #

 Content-Length: 152

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///foo.c","languageId":"c","version":1,"text":"void main() {}"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///foo.c","languageId":"c","version":1,"text":"void main() {}"}}}

 #      CHECK:  "method": "textDocument/publishDiagnostics",

 # CHECK-NEXT:  "params": {

 # CHECK-NEXT:    "diagnostics": [

@@ -40,7 +40,7 @@ Content-Length: 152
 # CHECK-NEXT:        "severity": 3

 # CHECK-NEXT:      }

 # CHECK-NEXT:    ],

-# CHECK-NEXT:    "uri": "file:///foo.c"

+# CHECK-NEXT:    "uri": "file://{{.*}}/foo.c"

 # CHECK-NEXT:  }

 Content-Length: 44

 

diff --git a/clang-tools-extra/test/clangd/execute-command.test b/clang-tools-extra/test/clangd/execute-command.test
index 27ab83e..0d5d966 100644
--- a/clang-tools-extra/test/clangd/execute-command.test
+++ b/clang-tools-extra/test/clangd/execute-command.test
@@ -7,7 +7,7 @@ Content-Length: 125
 #

 Content-Length: 180

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///foo.c","languageId":"c","version":1,"text":"int main(int i, char **a) { if (i = 2) {}}"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///foo.c","languageId":"c","version":1,"text":"int main(int i, char **a) { if (i = 2) {}}"}}}

 #      CHECK:  "method": "textDocument/publishDiagnostics",

 # CHECK-NEXT:  "params": {

 # CHECK-NEXT:    "diagnostics": [

@@ -54,7 +54,7 @@ Content-Length: 180
 # CHECK-NEXT:        "severity": 3

 # CHECK-NEXT:      }

 # CHECK-NEXT:    ],

-# CHECK-NEXT:    "uri": "file:///foo.c"

+# CHECK-NEXT:    "uri": "file://{{.*}}/foo.c"

 # CHECK-NEXT:  }

 Content-Length: 72

 

@@ -66,7 +66,7 @@ Content-Length: 85
 # Invalid, non-scalar command name

 Content-Length: 345

 

-{"jsonrpc":"2.0","id":5,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","custom":"foo", "arguments":[{"changes":{"file:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}]}}]}}

+{"jsonrpc":"2.0","id":5,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","custom":"foo", "arguments":[{"changes":{"test:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}]}}]}}

 Content-Length: 117

 

 {"jsonrpc":"2.0","id":6,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":"foo"}}

@@ -81,7 +81,7 @@ Content-Length: 132
 # ApplyFix argument not a mapping node.

 Content-Length: 345

 

-{"jsonrpc":"2.0","id":9,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"custom":"foo", "changes":{"file:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}]}}]}}

+{"jsonrpc":"2.0","id":9,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"custom":"foo", "changes":{"test:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}]}}]}}

 # Custom field in WorkspaceEdit

 Content-Length: 132

 

@@ -89,23 +89,23 @@ Content-Length: 132
 # changes in WorkspaceEdit with no mapping node

 Content-Length: 346

 

-{"jsonrpc":"2.0","id":11,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"file:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}], "custom":"foo"}}]}}

+{"jsonrpc":"2.0","id":11,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"test:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}], "custom":"foo"}}]}}

 # Custom field in WorkspaceEditChange

 Content-Length: 150

 

-{"jsonrpc":"2.0","id":12,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"file:///foo.c":"bar"}}]}}

+{"jsonrpc":"2.0","id":12,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"test:///foo.c":"bar"}}]}}

 # No sequence node for TextEdits

 Content-Length: 149

 

-{"jsonrpc":"2.0","id":13,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"file:///foo.c":[""]}}]}}

+{"jsonrpc":"2.0","id":13,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"test:///foo.c":[""]}}]}}

 # No mapping node for TextEdit

 Content-Length: 265

 

-{"jsonrpc":"2.0","id":14,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"file:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":"","newText":")"}]}}]}}

+{"jsonrpc":"2.0","id":14,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"test:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":"","newText":")"}]}}]}}

 # TextEdit not decoded

 Content-Length: 345

 

-{"jsonrpc":"2.0","id":9,"method":"workspace/executeCommand","params":{"arguments":[{"custom":"foo", "changes":{"file:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}]}}],"command":"clangd.applyFix"}}

+{"jsonrpc":"2.0","id":9,"method":"workspace/executeCommand","params":{"arguments":[{"custom":"foo", "changes":{"test:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}]}}],"command":"clangd.applyFix"}}

 # Command name after arguments

 Content-Length: 44

 

diff --git a/clang-tools-extra/test/clangd/extra-flags.test b/clang-tools-extra/test/clangd/extra-flags.test
index b993720..3a529c0 100644
--- a/clang-tools-extra/test/clangd/extra-flags.test
+++ b/clang-tools-extra/test/clangd/extra-flags.test
@@ -7,7 +7,7 @@ Content-Length: 125
 #

 Content-Length: 205

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///foo.c","languageId":"c","version":1,"text":"int main() { int i; return i; }"},"metadata":{"extraFlags":["-Wall"]}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///foo.c","languageId":"c","version":1,"text":"int main() { int i; return i; }"},"metadata":{"extraFlags":["-Wall"]}}}

 #      CHECK:  "method": "textDocument/publishDiagnostics",

 # CHECK-NEXT:  "params": {

 # CHECK-NEXT:    "diagnostics": [

@@ -40,11 +40,11 @@ Content-Length: 205
 # CHECK-NEXT:        "severity": 3

 # CHECK-NEXT:      }

 # CHECK-NEXT:    ],

-# CHECK-NEXT:    "uri": "file:///foo.c"

+# CHECK-NEXT:    "uri": "file://{{.*}}/foo.c"

 # CHECK-NEXT:  }

 Content-Length: 175

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///foo.c","version":2},"contentChanges":[{"text":"int main() { int i; return i; }"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///foo.c","version":2},"contentChanges":[{"text":"int main() { int i; return i; }"}]}}

 #      CHECK:  "method": "textDocument/publishDiagnostics",

 # CHECK-NEXT:  "params": {

 # CHECK-NEXT:    "diagnostics": [

@@ -77,7 +77,7 @@ Content-Length: 175
 # CHECK-NEXT:        "severity": 3

 # CHECK-NEXT:      }

 # CHECK-NEXT:    ],

-# CHECK-NEXT:    "uri": "file:///foo.c"

+# CHECK-NEXT:    "uri": "file://{{.*}}/foo.c"

 # CHECK-NEXT:  }

 Content-Length: 44

 

diff --git a/clang-tools-extra/test/clangd/fixits.test b/clang-tools-extra/test/clangd/fixits.test
index ea6bd1c..aabf5eb 100644
--- a/clang-tools-extra/test/clangd/fixits.test
+++ b/clang-tools-extra/test/clangd/fixits.test
@@ -7,7 +7,7 @@ Content-Length: 125
 #

 Content-Length: 180

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///foo.c","languageId":"c","version":1,"text":"int main(int i, char **a) { if (i = 2) {}}"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///foo.c","languageId":"c","version":1,"text":"int main(int i, char **a) { if (i = 2) {}}"}}}

 #      CHECK:    "method": "textDocument/publishDiagnostics",

 # CHECK-NEXT:  "params": {

 # CHECK-NEXT:    "diagnostics": [

@@ -54,11 +54,11 @@ Content-Length: 180
 # CHECK-NEXT:        "severity": 3

 # CHECK-NEXT:      }

 # CHECK-NEXT:    ],

-# CHECK-NEXT:    "uri": "file:///foo.c"

+# CHECK-NEXT:    "uri": "file://{{.*}}/foo.c"

 # CHECK-NEXT:  }

 Content-Length: 746

 

-{"jsonrpc":"2.0","id":2,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"file:///foo.c"},"range":{"start":{"line":104,"character":13},"end":{"line":0,"character":35}},"context":{"diagnostics":[{"range":{"start": {"line": 0, "character": 32}, "end": {"line": 0, "character": 37}},"severity":2,"message":"using the result of an assignment as a condition without parentheses"},{"range":{"start": {"line": 0, "character": 34}, "end": {"line": 0, "character": 35}},"severity":3,"message":"place parentheses around the assignment to silence this warning"},{"range":{"start": {"line": 0, "character": 34}, "end": {"line": 0, "character": 35}},"severity":3,"message":"use '==' to turn this assignment into an equality comparison"}]}}}

+{"jsonrpc":"2.0","id":2,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"test:///foo.c"},"range":{"start":{"line":104,"character":13},"end":{"line":0,"character":35}},"context":{"diagnostics":[{"range":{"start": {"line": 0, "character": 32}, "end": {"line": 0, "character": 37}},"severity":2,"message":"using the result of an assignment as a condition without parentheses"},{"range":{"start": {"line": 0, "character": 34}, "end": {"line": 0, "character": 35}},"severity":3,"message":"place parentheses around the assignment to silence this warning"},{"range":{"start": {"line": 0, "character": 34}, "end": {"line": 0, "character": 35}},"severity":3,"message":"use '==' to turn this assignment into an equality comparison"}]}}}

 #      CHECK:  "id": 2,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": [

@@ -66,7 +66,7 @@ Content-Length: 746
 # CHECK-NEXT:      "arguments": [

 # CHECK-NEXT:        {

 # CHECK-NEXT:          "changes": {

-# CHECK-NEXT:            "file:///foo.c": [

+# CHECK-NEXT:            "file://{{.*}}/foo.c": [

 # CHECK-NEXT:              {

 # CHECK-NEXT:                "newText": "(",

 # CHECK-NEXT:                "range": {

@@ -104,7 +104,7 @@ Content-Length: 746
 # CHECK-NEXT:      "arguments": [

 # CHECK-NEXT:        {

 # CHECK-NEXT:          "changes": {

-# CHECK-NEXT:            "file:///foo.c": [

+# CHECK-NEXT:            "file://{{.*}}/foo.c": [

 # CHECK-NEXT:              {

 # CHECK-NEXT:                "newText": "==",

 # CHECK-NEXT:                "range": {

@@ -128,7 +128,7 @@ Content-Length: 746
 # CHECK-NEXT:  ]

 Content-Length: 771

 

-{"jsonrpc":"2.0","id":3,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"file:///foo.c"},"range":{"start":{"line":104,"character":13},"end":{"line":0,"character":35}},"context":{"diagnostics":[{"range":{"start": {"line": 0, "character": 32}, "end": {"line": 0, "character": 37}},"severity":2,"code":"1","source":"foo","message":"using the result of an assignment as a condition without parentheses"},{"range":{"start": {"line": 0, "character": 34}, "end": {"line": 0, "character": 35}},"severity":3,"message":"place parentheses around the assignment to silence this warning"},{"range":{"start": {"line": 0, "character": 34}, "end": {"line": 0, "character": 35}},"severity":3,"message":"use '==' to turn this assignment into an equality comparison"}]}}}

+{"jsonrpc":"2.0","id":3,"method":"textDocument/codeAction","params":{"textDocument":{"uri":"test:///foo.c"},"range":{"start":{"line":104,"character":13},"end":{"line":0,"character":35}},"context":{"diagnostics":[{"range":{"start": {"line": 0, "character": 32}, "end": {"line": 0, "character": 37}},"severity":2,"code":"1","source":"foo","message":"using the result of an assignment as a condition without parentheses"},{"range":{"start": {"line": 0, "character": 34}, "end": {"line": 0, "character": 35}},"severity":3,"message":"place parentheses around the assignment to silence this warning"},{"range":{"start": {"line": 0, "character": 34}, "end": {"line": 0, "character": 35}},"severity":3,"message":"use '==' to turn this assignment into an equality comparison"}]}}}

 # Make sure unused "code" and "source" fields ignored gracefully

 #      CHECK:  "id": 3,

 # CHECK-NEXT:  "jsonrpc": "2.0",

@@ -137,7 +137,7 @@ Content-Length: 771
 # CHECK-NEXT:      "arguments": [

 # CHECK-NEXT:        {

 # CHECK-NEXT:          "changes": {

-# CHECK-NEXT:            "file:///foo.c": [

+# CHECK-NEXT:            "file://{{.*}}/foo.c": [

 # CHECK-NEXT:              {

 # CHECK-NEXT:                "newText": "(",

 # CHECK-NEXT:                "range": {

@@ -175,7 +175,7 @@ Content-Length: 771
 # CHECK-NEXT:      "arguments": [

 # CHECK-NEXT:        {

 # CHECK-NEXT:          "changes": {

-# CHECK-NEXT:            "file:///foo.c": [

+# CHECK-NEXT:            "file://{{.*}}/foo.c": [

 # CHECK-NEXT:              {

 # CHECK-NEXT:                "newText": "==",

 # CHECK-NEXT:                "range": {

@@ -199,7 +199,7 @@ Content-Length: 771
 # CHECK-NEXT:  ]

 Content-Length: 329

 

-{"jsonrpc":"2.0","id":4,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"file:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}]}}]}}

+{"jsonrpc":"2.0","id":4,"method":"workspace/executeCommand","params":{"command":"clangd.applyFix","arguments":[{"changes":{"test:///foo.c":[{"range":{"start":{"line":0,"character":32},"end":{"line":0,"character":32}},"newText":"("},{"range":{"start":{"line":0,"character":37},"end":{"line":0,"character":37}},"newText":")"}]}}]}}

 #      CHECK:  "id": 4,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": "Fix applied."

@@ -210,7 +210,7 @@ Content-Length: 329
 # CHECK-NEXT:  "params": {

 # CHECK-NEXT:    "edit": {

 # CHECK-NEXT:      "changes": {

-# CHECK-NEXT:        "file:///foo.c": [

+# CHECK-NEXT:        "{{.*}}/foo.c": [

 # CHECK-NEXT:          {

 # CHECK-NEXT:            "newText": "(",

 # CHECK-NEXT:            "range": {

diff --git a/clang-tools-extra/test/clangd/formatting.test b/clang-tools-extra/test/clangd/formatting.test
index 87181e2..c381b39 100644
--- a/clang-tools-extra/test/clangd/formatting.test
+++ b/clang-tools-extra/test/clangd/formatting.test
@@ -6,10 +6,10 @@ Content-Length: 125
 {"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}

 Content-Length: 193

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///foo.c","languageId":"c","version":1,"text":"int foo ( int x ) {\n    x = x+1;\n    return x;\n    }"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///foo.c","languageId":"c","version":1,"text":"int foo ( int x ) {\n    x = x+1;\n    return x;\n    }"}}}

 Content-Length: 233

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/rangeFormatting","params":{"textDocument":{"uri":"file:///foo.c"},"range":{"start":{"line":1,"character":4},"end":{"line":1,"character":12}},"options":{"tabSize":4,"insertSpaces":true}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/rangeFormatting","params":{"textDocument":{"uri":"test:///foo.c"},"range":{"start":{"line":1,"character":4},"end":{"line":1,"character":12}},"options":{"tabSize":4,"insertSpaces":true}}}

 #      CHECK:   "id": 1,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": [

@@ -68,18 +68,18 @@ Content-Length: 233
 # CHECK-NEXT:  ]

 Content-Length: 197

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///foo.c","version":5},"contentChanges":[{"text":"int foo ( int x ) {\n  x = x + 1;\n  return x;\n    }"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///foo.c","version":5},"contentChanges":[{"text":"int foo ( int x ) {\n  x = x + 1;\n  return x;\n    }"}]}}

 #

 #

 Content-Length: 233

 

-{"jsonrpc":"2.0","id":2,"method":"textDocument/rangeFormatting","params":{"textDocument":{"uri":"file:///foo.c"},"range":{"start":{"line":1,"character":2},"end":{"line":1,"character":12}},"options":{"tabSize":4,"insertSpaces":true}}}

+{"jsonrpc":"2.0","id":2,"method":"textDocument/rangeFormatting","params":{"textDocument":{"uri":"test:///foo.c"},"range":{"start":{"line":1,"character":2},"end":{"line":1,"character":12}},"options":{"tabSize":4,"insertSpaces":true}}}

 #      CHECK:  "id": 2,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": []

 Content-Length: 153

 

-{"jsonrpc":"2.0","id":3,"method":"textDocument/formatting","params":{"textDocument":{"uri":"file:///foo.c"},"options":{"tabSize":4,"insertSpaces":true}}}

+{"jsonrpc":"2.0","id":3,"method":"textDocument/formatting","params":{"textDocument":{"uri":"test:///foo.c"},"options":{"tabSize":4,"insertSpaces":true}}}

 #      CHECK:  "id": 3,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": [

@@ -138,23 +138,23 @@ Content-Length: 153
 # CHECK-NEXT:  ]

 Content-Length: 190

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///foo.c","version":9},"contentChanges":[{"text":"int foo(int x) {\n  x = x + 1;\n  return x;\n}"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///foo.c","version":9},"contentChanges":[{"text":"int foo(int x) {\n  x = x + 1;\n  return x;\n}"}]}}

 #

 #

 Content-Length: 153

 

-{"jsonrpc":"2.0","id":4,"method":"textDocument/formatting","params":{"textDocument":{"uri":"file:///foo.c"},"options":{"tabSize":4,"insertSpaces":true}}}

+{"jsonrpc":"2.0","id":4,"method":"textDocument/formatting","params":{"textDocument":{"uri":"test:///foo.c"},"options":{"tabSize":4,"insertSpaces":true}}}

 #      CHECK:  "id": 4,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": []

 Content-Length: 193

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///foo.c","version":5},"contentChanges":[{"text":"int foo ( int x ) {\n  x = x + 1;\n  return x;\n}"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///foo.c","version":5},"contentChanges":[{"text":"int foo ( int x ) {\n  x = x + 1;\n  return x;\n}"}]}}

 #

 #

 Content-Length: 204

 

-{"jsonrpc":"2.0","id":5,"method":"textDocument/onTypeFormatting","params":{"textDocument":{"uri":"file:///foo.c"},"position":{"line":3,"character":1},"ch":"}","options":{"tabSize":4,"insertSpaces":true}}}

+{"jsonrpc":"2.0","id":5,"method":"textDocument/onTypeFormatting","params":{"textDocument":{"uri":"test:///foo.c"},"position":{"line":3,"character":1},"ch":"}","options":{"tabSize":4,"insertSpaces":true}}}

 #      CHECK:  "id": 5,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": [

diff --git a/clang-tools-extra/test/clangd/input-mirror.test b/clang-tools-extra/test/clangd/input-mirror.test
index 5b07cb5..de6424c 100644
--- a/clang-tools-extra/test/clangd/input-mirror.test
+++ b/clang-tools-extra/test/clangd/input-mirror.test
@@ -9,144 +9,144 @@ Content-Length: 125
 

 Content-Length: 172

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///main.cpp","languageId":"cpp","version":1,"text":"int main() {\nint a;\na;\n}\n"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///main.cpp","languageId":"cpp","version":1,"text":"int main() {\nint a;\na;\n}\n"}}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":2,"character":0}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":2,"character":0}}}

 # Go to local variable

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":2,"character":1}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":2,"character":1}}}

 # Go to local variable, end of token

 

 Content-Length: 214

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":2},"contentChanges":[{"text":"struct Foo {\nint x;\n};\nint main() {\n  Foo bar = { x : 1 };\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":2},"contentChanges":[{"text":"struct Foo {\nint x;\n};\nint main() {\n  Foo bar = { x : 1 };\n}\n"}]}}

 

 Content-Length: 149

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":4,"character":14}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":4,"character":14}}}

 # Go to field, GNU old-style field designator 

 

 Content-Length: 215

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":3},"contentChanges":[{"text":"struct Foo {\nint x;\n};\nint main() {\n  Foo baz = { .x = 2 };\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":3},"contentChanges":[{"text":"struct Foo {\nint x;\n};\nint main() {\n  Foo baz = { .x = 2 };\n}\n"}]}}

 

 Content-Length: 149

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":4,"character":15}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":4,"character":15}}}

 # Go to field, field designator 

 

 Content-Length: 187

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":4},"contentChanges":[{"text":"int main() {\n   main();\n   return 0;\n}"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":4},"contentChanges":[{"text":"int main() {\n   main();\n   return 0;\n}"}]}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":1,"character":3}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":1,"character":3}}}

 # Go to function declaration, function call 

 

 Content-Length: 208

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":5},"contentChanges":[{"text":"struct Foo {\n};\nint main() {\n   Foo bar;\n   return 0;\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":5},"contentChanges":[{"text":"struct Foo {\n};\nint main() {\n   Foo bar;\n   return 0;\n}\n"}]}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":3,"character":3}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":3,"character":3}}}

 # Go to struct declaration, new struct instance 

 

 Content-Length: 231

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":5},"contentChanges":[{"text":"namespace n1 {\nstruct Foo {\n};\n}\nint main() {\n   n1::Foo bar;\n   return 0;\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":5},"contentChanges":[{"text":"namespace n1 {\nstruct Foo {\n};\n}\nint main() {\n   n1::Foo bar;\n   return 0;\n}\n"}]}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":5,"character":4}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":5,"character":4}}}

 # Go to struct declaration, new struct instance, qualified name 

 

 Content-Length: 215

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":6},"contentChanges":[{"text":"struct Foo {\n  int x;\n};\nint main() {\n   Foo bar;\n   bar.x;\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":6},"contentChanges":[{"text":"struct Foo {\n  int x;\n};\nint main() {\n   Foo bar;\n   bar.x;\n}\n"}]}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":5,"character":7}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":5,"character":7}}}

 # Go to field declaration, field reference 

 

 Content-Length: 220

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":7},"contentChanges":[{"text":"struct Foo {\n  void x();\n};\nint main() {\n   Foo bar;\n   bar.x();\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":7},"contentChanges":[{"text":"struct Foo {\n  void x();\n};\nint main() {\n   Foo bar;\n   bar.x();\n}\n"}]}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":5,"character":7}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":5,"character":7}}}

 # Go to method declaration, method call 

 

 Content-Length: 240

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":7},"contentChanges":[{"text":"struct Foo {\n};\ntypedef Foo TypedefFoo;\nint main() {\n   TypedefFoo bar;\n   return 0;\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":7},"contentChanges":[{"text":"struct Foo {\n};\ntypedef Foo TypedefFoo;\nint main() {\n   TypedefFoo bar;\n   return 0;\n}\n"}]}}

 

 Content-Length: 149

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":4,"character":10}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":4,"character":10}}}

 # Go to typedef 

 

 Content-Length: 254

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":7},"contentChanges":[{"text":"template <typename MyTemplateParam>\nvoid foo() {\n MyTemplateParam a;\n}\nint main() {\n   return 0;\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":7},"contentChanges":[{"text":"template <typename MyTemplateParam>\nvoid foo() {\n MyTemplateParam a;\n}\nint main() {\n   return 0;\n}\n"}]}}

 

 Content-Length: 149

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":2,"character":13}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":2,"character":13}}}

 # Go to template type parameter. Fails until clangIndex is modified to handle those.

-# no-CHECK: {"jsonrpc":"2.0","id":1,"result":[{"uri": "file:///main.cpp", "range": {"start": {"line": 0, "character": 10}, "end": {"line": 0, "character": 34}}}]}

+# no-CHECK: {"jsonrpc":"2.0","id":1,"result":[{"uri": "test:///main.cpp", "range": {"start": {"line": 0, "character": 10}, "end": {"line": 0, "character": 34}}}]}

 

 Content-Length: 256

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":7},"contentChanges":[{"text":"namespace ns {\nstruct Foo {\nstatic void bar() {}\n};\n}\nint main() {\n   ns::Foo::bar();\n   return 0;\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":7},"contentChanges":[{"text":"namespace ns {\nstruct Foo {\nstatic void bar() {}\n};\n}\nint main() {\n   ns::Foo::bar();\n   return 0;\n}\n"}]}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":6,"character":4}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":6,"character":4}}}

 # Go to namespace, static method call 

 

 Content-Length: 265

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":7},"contentChanges":[{"text":"namespace ns {\nstruct Foo {\n  int field;\n  Foo(int param) : field(param) {}\n};\n}\nint main() {\n   return 0;\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":7},"contentChanges":[{"text":"namespace ns {\nstruct Foo {\n  int field;\n  Foo(int param) : field(param) {}\n};\n}\nint main() {\n   return 0;\n}\n"}]}}

 

 Content-Length: 149

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":3,"character":21}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":3,"character":21}}}

 # Go to field, member initializer 

 

 Content-Length: 204

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":7},"contentChanges":[{"text":"#define MY_MACRO 0\nint main() {\n  return MY_MACRO;\n}\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":7},"contentChanges":[{"text":"#define MY_MACRO 0\nint main() {\n  return MY_MACRO;\n}\n"}]}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":2,"character":9}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":2,"character":9}}}

 # Go to macro.

 

 Content-Length: 217

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp","version":7},"contentChanges":[{"text":"#define FOO 1\nint a = FOO;\n#define FOO 2\nint b = FOO;\n#undef FOO\n"}]}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp","version":7},"contentChanges":[{"text":"#define FOO 1\nint a = FOO;\n#define FOO 2\nint b = FOO;\n#undef FOO\n"}]}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":1,"character":8}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":1,"character":8}}}

 # Go to macro, re-defined later

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":3,"character":8}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":3,"character":8}}}

 # Go to macro, undefined later

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":4,"character":7}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":4,"character":7}}}

 # Go to macro, being undefined

 

 Content-Length: 44

diff --git a/clang-tools-extra/test/clangd/protocol.test b/clang-tools-extra/test/clangd/protocol.test
index d4c7da5..0afa736 100644
--- a/clang-tools-extra/test/clangd/protocol.test
+++ b/clang-tools-extra/test/clangd/protocol.test
@@ -17,16 +17,16 @@ Content-Type: application/vscode-jsonrpc; charset-utf-8
 #      CHECK:  }

 Content-Length: 246

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///main.cpp","languageId":"cpp","version":1,"text":"struct fake { int a, bb, ccc; int f(int i, const float f) const; };\nint main() {\n  fake f;\n  f.\n}\n"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///main.cpp","languageId":"cpp","version":1,"text":"struct fake { int a, bb, ccc; int f(int i, const float f) const; };\nint main() {\n  fake f;\n  f.\n}\n"}}}

 

 Content-Length: 104

 

-{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"file:///main.cpp"}}}

+{"jsonrpc":"2.0","method":"textDocument/didChange","params":{"textDocument":{"uri":"test:///main.cpp"}}}

 

 Content-Type: application/vscode-jsonrpc; charset-utf-8

 Content-Length: 146

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/completion","params":{"textDocument":{"uri":"test:/main.cpp"},"position":{"line":3,"character":5}}}

 # Test message with Content-Type before Content-Length

 #

 #      CHECK:  "id": 1,

@@ -49,13 +49,13 @@ Content-Length: 146
 Content-Type: application/vscode-jsonrpc; charset-utf-8

 X-Testing: Test

 

-{"jsonrpc":"2.0","id":2,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}

+{"jsonrpc":"2.0","id":2,"method":"textDocument/completion","params":{"textDocument":{"uri":"test:/main.cpp"},"position":{"line":3,"character":5}}}

 

 Content-Type: application/vscode-jsonrpc; charset-utf-8

 Content-Length: 10

 Content-Length: 146

 

-{"jsonrpc":"2.0","id":3,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}

+{"jsonrpc":"2.0","id":3,"method":"textDocument/completion","params":{"textDocument":{"uri":"test:/main.cpp"},"position":{"line":3,"character":5}}}

 # Test message with duplicate Content-Length headers

 #

 #      CHECK:  "id": 3,

@@ -76,7 +76,7 @@ Content-Length: 146
 Content-Type: application/vscode-jsonrpc; charset-utf-8

 Content-Length: 10

 

-{"jsonrpc":"2.0","id":4,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}

+{"jsonrpc":"2.0","id":4,"method":"textDocument/completion","params":{"textDocument":{"uri":"test:/main.cpp"},"position":{"line":3,"character":5}}}

 # Test message with malformed Content-Length

 #

 # STDERR: JSON parse error

@@ -84,7 +84,7 @@ Content-Length: 10
 

 Content-Length: 146

 

-{"jsonrpc":"2.0","id":5,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}

+{"jsonrpc":"2.0","id":5,"method":"textDocument/completion","params":{"textDocument":{"uri":"test:/main.cpp"},"position":{"line":3,"character":5}}}

 # Test message with Content-Type before Content-Length

 #

 #      CHECK:  "id": 5,

@@ -102,7 +102,7 @@ Content-Length: 146
 # CHECK-NEXT:  }

 Content-Length: 1024

 

-{"jsonrpc":"2.0","id":5,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:/main.cpp"},"position":{"line":3,"character":5}}}

+{"jsonrpc":"2.0","id":5,"method":"textDocument/completion","params":{"textDocument":{"uri":"test:/main.cpp"},"position":{"line":3,"character":5}}}

 # Test message which reads beyond the end of the stream.

 #

 # Ensure this is the last test in the file!

diff --git a/clang-tools-extra/test/clangd/rename.test b/clang-tools-extra/test/clangd/rename.test
index fd887a1..7e1ffbd 100644
--- a/clang-tools-extra/test/clangd/rename.test
+++ b/clang-tools-extra/test/clangd/rename.test
@@ -7,16 +7,16 @@ Content-Length: 125
 

 Content-Length: 150

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///foo.cpp","languageId":"cpp","version":1,"text":"int foo;"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///foo.cpp","languageId":"cpp","version":1,"text":"int foo;"}}}

 

 Content-Length: 159

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/rename","params":{"textDocument":{"uri":"file:///foo.cpp"},"position":{"line":0,"character":5},"newName":"bar"}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/rename","params":{"textDocument":{"uri":"test:///foo.cpp"},"position":{"line":0,"character":5},"newName":"bar"}}

 #      CHECK:  "id": 1,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": {

 # CHECK-NEXT:    "changes": {

-# CHECK-NEXT:      "file:///foo.cpp": [

+# CHECK-NEXT:      "file://{{.*}}/foo.cpp": [

 # CHECK-NEXT:        {

 # CHECK-NEXT:          "newText": "bar",

 # CHECK-NEXT:          "range": {

@@ -35,7 +35,7 @@ Content-Length: 159
 # CHECK-NEXT:  }

 Content-Length: 159

 

-{"jsonrpc":"2.0","id":2,"method":"textDocument/rename","params":{"textDocument":{"uri":"file:///foo.cpp"},"position":{"line":0,"character":2},"newName":"bar"}}

+{"jsonrpc":"2.0","id":2,"method":"textDocument/rename","params":{"textDocument":{"uri":"test:///foo.cpp"},"position":{"line":0,"character":2},"newName":"bar"}}

 #      CHECK:  "error": {

 # CHECK-NEXT:    "code": -32603,

 # CHECK-NEXT:    "message": "clang diagnostic"

diff --git a/clang-tools-extra/test/clangd/signature-help.test b/clang-tools-extra/test/clangd/signature-help.test
index e566483..90b02ce 100644
--- a/clang-tools-extra/test/clangd/signature-help.test
+++ b/clang-tools-extra/test/clangd/signature-help.test
@@ -8,11 +8,11 @@ Content-Length: 125
 

 Content-Length: 172

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///main.cpp","languageId":"cpp","version":1,"text":"void x(int);\nint main(){\nx("}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///main.cpp","languageId":"cpp","version":1,"text":"void x(int);\nint main(){\nx("}}}

 

 Content-Length: 151

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/signatureHelp","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":2,"character":2}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/signatureHelp","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":2,"character":2}}}

 #      CHECK: "id": 1,

 # CHECK-NEXT: "jsonrpc": "2.0",

 # CHECK-NEXT: "result": {

diff --git a/clang-tools-extra/test/clangd/test-uri-posix.test b/clang-tools-extra/test/clangd/test-uri-posix.test
new file mode 100644
index 0000000..9bfe211
--- /dev/null
+++ b/clang-tools-extra/test/clangd/test-uri-posix.test
@@ -0,0 +1,19 @@
+# RUN: clangd -pretty -run-synchronously < %s | FileCheck -strict-whitespace %s

+# UNSUPPORTED: mingw32,win32

+# It is absolutely vital that this file has CRLF line endings.

+#

+# Test authority-less URI

+Content-Length: 125

+

+{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}

+#

+Content-Length: 152

+

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///foo.c","languageId":"c","version":1,"text":"void main() {}"}}}

+# CHECK:    "uri": "file:///clangd-test/foo.c"

+Content-Length: 44

+

+{"jsonrpc":"2.0","id":5,"method":"shutdown"}

+Content-Length: 33

+

+{"jsonrpc":"2.0","method":"exit"}

diff --git a/clang-tools-extra/test/clangd/test-uri-windows.test b/clang-tools-extra/test/clangd/test-uri-windows.test
new file mode 100644
index 0000000..048c556
--- /dev/null
+++ b/clang-tools-extra/test/clangd/test-uri-windows.test
@@ -0,0 +1,19 @@
+# RUN: clangd -pretty -run-synchronously < %s | FileCheck -strict-whitespace %s

+# REQUIRES: mingw32 || win32

+# It is absolutely vital that this file has CRLF line endings.

+#

+# Test authority-less URI

+Content-Length: 125

+

+{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}

+#

+Content-Length: 152

+

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///foo.c","languageId":"c","version":1,"text":"void main() {}"}}}

+# CHECK:    "uri": "file:///C:/clangd-test/foo.c"

+Content-Length: 44

+

+{"jsonrpc":"2.0","id":5,"method":"shutdown"}

+Content-Length: 33

+

+{"jsonrpc":"2.0","method":"exit"}

diff --git a/clang-tools-extra/test/clangd/trace.test b/clang-tools-extra/test/clangd/trace.test
index 0d4257e..44b7fe8 100644
--- a/clang-tools-extra/test/clangd/trace.test
+++ b/clang-tools-extra/test/clangd/trace.test
@@ -7,7 +7,7 @@ Content-Length: 125
 #

 Content-Length: 152

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///foo.c","languageId":"c","version":1,"text":"void main() {}"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///foo.c","languageId":"c","version":1,"text":"void main() {}"}}}

 #      CHECK: {"displayTimeUnit":"ns","traceEvents":[

 # Start opening the doc.

 #      CHECK: "name": "textDocument/didOpen"

@@ -16,7 +16,7 @@ Content-Length: 152
 #      CHECK: "name": "Preamble"

 #      CHECK: },

 # Finish building the preamble, with filename.

-#      CHECK: "File": "/foo.c"

+#      CHECK: "File": "{{.*}}/foo.c"

 # CHECK-NEXT: },

 # CHECK-NEXT: "ph": "E"

 # Start building the file.

diff --git a/clang-tools-extra/test/clangd/unsupported-method.test b/clang-tools-extra/test/clangd/unsupported-method.test
index 0ce22bb..e33ed4f 100644
--- a/clang-tools-extra/test/clangd/unsupported-method.test
+++ b/clang-tools-extra/test/clangd/unsupported-method.test
@@ -7,7 +7,7 @@ Content-Length: 125
 

 Content-Length: 143

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///main.cpp","languageId":"cpp","version":1,"text":""}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///main.cpp","languageId":"cpp","version":1,"text":""}}}

 

 Content-Length: 92

 

diff --git a/clang-tools-extra/test/clangd/xrefs.test b/clang-tools-extra/test/clangd/xrefs.test
index ad3c241..71f18a0 100644
--- a/clang-tools-extra/test/clangd/xrefs.test
+++ b/clang-tools-extra/test/clangd/xrefs.test
@@ -7,11 +7,11 @@ Content-Length: 125
 

 Content-Length: 165

 

-{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///main.cpp","languageId":"cpp","version":1,"text":"int x = 0;\nint y = x;"}}}

+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///main.cpp","languageId":"cpp","version":1,"text":"int x = 0;\nint y = x;"}}}

 

 Content-Length: 148

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":1,"character":8}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/definition","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":1,"character":8}}}

 #      CHECK:  "id": 1,

 # CHECK-NEXT:  "jsonrpc": "2.0",

 # CHECK-NEXT:  "result": [

@@ -26,12 +26,12 @@ Content-Length: 148
 # CHECK-NEXT:          "line": 0

 # CHECK-NEXT:        }

 # CHECK-NEXT:      },

-# CHECK-NEXT:      "uri": "file:///{{([A-Z]:/)?}}main.cpp"

+# CHECK-NEXT:      "uri": "file://{{.*}}/{{([A-Z]:/)?}}main.cpp"

 # CHECK-NEXT:    }

 # CHECK-NEXT:  ]

 Content-Length: 155

 

-{"jsonrpc":"2.0","id":1,"method":"textDocument/documentHighlight","params":{"textDocument":{"uri":"file:///main.cpp"},"position":{"line":1,"character":8}}}

+{"jsonrpc":"2.0","id":1,"method":"textDocument/documentHighlight","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":1,"character":8}}}

 #      CHECK: "id": 1

 # CHECK-NEXT: "jsonrpc": "2.0",

 # CHECK-NEXT: "result": [