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//===-- TestRegexCommand.cpp ----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "Commands/CommandObjectRegexCommand.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace lldb_private;
using namespace lldb;
namespace {
class TestRegexCommand : public CommandObjectRegexCommand {
public:
using CommandObjectRegexCommand::SubstituteVariables;
static std::string
Substitute(llvm::StringRef input,
const llvm::SmallVectorImpl<llvm::StringRef> &replacements) {
llvm::Expected<std::string> str = SubstituteVariables(input, replacements);
if (!str)
return llvm::toString(str.takeError());
return *str;
}
};
} // namespace
TEST(RegexCommandTest, SubstituteVariablesSuccess) {
const llvm::SmallVector<llvm::StringRef, 4> substitutions = {"all", "foo",
"bar", "baz"};
EXPECT_EQ(TestRegexCommand::Substitute("%0", substitutions), "all");
EXPECT_EQ(TestRegexCommand::Substitute("%1", substitutions), "foo");
EXPECT_EQ(TestRegexCommand::Substitute("%2", substitutions), "bar");
EXPECT_EQ(TestRegexCommand::Substitute("%3", substitutions), "baz");
EXPECT_EQ(TestRegexCommand::Substitute("%1%2%3", substitutions), "foobarbaz");
EXPECT_EQ(TestRegexCommand::Substitute("#%1#%2#%3#", substitutions),
"#foo#bar#baz#");
}
TEST(RegexCommandTest, SubstituteVariablesFailed) {
const llvm::SmallVector<llvm::StringRef, 4> substitutions = {"all", "foo",
"bar", "baz"};
ASSERT_THAT_EXPECTED(
TestRegexCommand::SubstituteVariables("%1%2%3%4", substitutions),
llvm::Failed());
ASSERT_THAT_EXPECTED(
TestRegexCommand::SubstituteVariables("%5", substitutions),
llvm::Failed());
ASSERT_THAT_EXPECTED(
TestRegexCommand::SubstituteVariables("%11", substitutions),
llvm::Failed());
}
TEST(RegexCommandTest, SubstituteVariablesNoRecursion) {
const llvm::SmallVector<llvm::StringRef, 4> substitutions = {"all", "%2",
"%3", "%4"};
EXPECT_EQ(TestRegexCommand::Substitute("%0", substitutions), "all");
EXPECT_EQ(TestRegexCommand::Substitute("%1", substitutions), "%2");
EXPECT_EQ(TestRegexCommand::Substitute("%2", substitutions), "%3");
EXPECT_EQ(TestRegexCommand::Substitute("%3", substitutions), "%4");
EXPECT_EQ(TestRegexCommand::Substitute("%1%2%3", substitutions), "%2%3%4");
}
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