[clang] [clang-format] Add DiagHandler for getStyle function (PR #91317)

via cfe-commits cfe-commits at lists.llvm.org
Fri Jun 14 02:20:11 PDT 2024


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@@ -1452,6 +1452,35 @@ TEST(ConfigParseTest, GetStyleOfSpecificFile) {
   ASSERT_EQ(*Style, getGoogleStyle());
 }
 
+TEST(ConfigParseTest, GetStyleOutput) {
+    // With output
+    ::testing::internal::CaptureStderr();
+    llvm::vfs::InMemoryFileSystem FS;
+    auto Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS, false);
+
+    const std::string output = ::testing::internal::GetCapturedStderr();
+
+    ASSERT_FALSE((bool)Style);
+    ASSERT_FALSE(output.empty());
+    llvm::consumeError(Style.takeError());
+
+    // Without output
+    ::testing::internal::CaptureStderr();
+    auto Style1 = getStyle("{invalid_key=invalid_value}",
+                           "a.h",
+                           "LLVM",
+                           "",
+                           &FS,
+                           false,
+                           [](const llvm::SMDiagnostic &, void *) {});
+
+    const std::string output1 = ::testing::internal::GetCapturedStderr();
+
+    ASSERT_FALSE((bool)Style1);
+    ASSERT_TRUE(output1.empty());
+    llvm::consumeError(Style1.takeError());
----------------
pointhex wrote:

Done

https://github.com/llvm/llvm-project/pull/91317


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