[libc] [obvious] Add rest of strrchr test.
GitOrigin-RevId: 7212ad067e6efcd8431a9e38f26de45ae21eeafb
diff --git a/test/src/string/strrchr_test.cpp b/test/src/string/strrchr_test.cpp
index 18fddda..cf29de2 100644
--- a/test/src/string/strrchr_test.cpp
+++ b/test/src/string/strrchr_test.cpp
@@ -49,12 +49,15 @@
ASSERT_STREQ(src, src_copy);
}
-TEST(StrRChrTest, FindsLastNullTerminator) {
- const char src[5] = {'a', '\0', 'b', '\0', 'c'};
+TEST(StrRChrTest, FindsLastBehindFirstNullTerminator) {
+ const char src[6] = {'a', 'a', '\0', 'b', '\0', 'c'};
// 'b' is behind a null terminator, so should not be found.
ASSERT_STREQ(__llvm_libc::strrchr(src, 'b'), nullptr);
// Same goes for 'c'.
ASSERT_STREQ(__llvm_libc::strrchr(src, 'c'), nullptr);
+
+ // Should find the second of the two a's.
+ ASSERT_STREQ(__llvm_libc::strrchr(src, 'a'), "a");
}
TEST(StrRChrTest, CharacterNotWithinStringShouldReturnNullptr) {
