1 files changed, 60 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/embed___has_embed.c b/clang/test/Preprocessor/embed___has_embed.c
new file mode 100644
index 0000000..43a3068
--- /dev/null
+++ b/clang/test/Preprocessor/embed___has_embed.c
@@ -0,0 +1,60 @@
+// RUN: %clang_cc1 -std=c23 %s -E --embed-dir=%S/Inputs -verify
+// expected-no-diagnostics
+
+#if __has_embed(__FILE__) != __STDC_EMBED_FOUND__
+#error 1
+#elif __has_embed("media/art.txt") != __STDC_EMBED_FOUND__
+#error 2
+#elif __has_embed("asdkasdjkadsjkdsfjk") != __STDC_EMBED_NOT_FOUND__
+#error 3
+#elif __has_embed("asdkasdjkadsjkdsfjk" limit(1)) != __STDC_EMBED_NOT_FOUND__
+#error 4
+#elif __has_embed("asdkasdjkadsjkdsfjk" suffix(x) limit(1)) != __STDC_EMBED_NOT_FOUND__
+#error 5
+#elif __has_embed("asdkasdjkadsjkdsfjk" suffix(x) djsakdasjd::xmeow("xD")) != __STDC_EMBED_NOT_FOUND__
+#error 6
+#elif __has_embed(__FILE__ limit(2) prefix(y)) != __STDC_EMBED_FOUND__
+#error 7
+#elif __has_embed(__FILE__ limit(2)) != __STDC_EMBED_FOUND__
+#error 8
+// 6.10.1p7, if the search fails or any of the embed parameters in the embed
+// parameter sequence specified are not supported by the implementation for the
+// #embed directive;
+// We don't support one of the embed parameters.
+#elif __has_embed(__FILE__ dajwdwdjdahwk::meow(x)) != __STDC_EMBED_NOT_FOUND__
+#error 9
+#elif __has_embed(<media/empty>) != __STDC_EMBED_EMPTY__
+#error 10
+// 6.10.1p7: if the search for the resource succeeds and all embed parameters
+// in the embed parameter sequence specified are supported by the
+// implementation for the #embed directive and the resource is empty
+// Limiting to zero characters means the resource is empty.
+#elif __has_embed(<media/empty> limit(0)) != __STDC_EMBED_EMPTY__
+#error 11
+#elif __has_embed(<media/art.txt> limit(0)) != __STDC_EMBED_EMPTY__
+#error 12
+// Test that an offset past the end of the file produces an empty file.
+#elif __has_embed(<single_byte.txt> clang::offset(1)) != __STDC_EMBED_EMPTY__
+#error 13
+// Test that we apply the offset before we apply the limit. If we did this in
+// the reverse order, this would cause the file to be empty because we would
+// have limited it to 1 byte and then offset past it.
+#elif __has_embed(<media/art.txt> limit(1) clang::offset(12)) != __STDC_EMBED_FOUND__
+#error 14
+#elif __has_embed(<media/art.txt>) != __STDC_EMBED_FOUND__
+#error 15
+#elif __has_embed(<media/art.txt> if_empty(meow)) != __STDC_EMBED_FOUND__
+#error 16
+#endif
+
+// Ensure that when __has_embed returns true, the file can actually be
+// embedded. This was previously failing because the way in which __has_embed
+// would search for files was differentl from how #embed would resolve them
+// when the file path included relative path markers like `./` or `../`.
+#if __has_embed("./embed___has_embed.c") == __STDC_EMBED_FOUND__
+unsigned char buffer[] = {
+#embed "./embed___has_embed.c"
+};
+#else
+#error 17
+#endif