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//=== unittests/CodeGen/DemangleTrapReasonInDebugInfo.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 "clang/CodeGen/ModuleBuilder.h"
#include "llvm/ADT/StringRef.h"
#include "gtest/gtest.h"
using namespace clang::CodeGen;
void CheckValidCommon(llvm::StringRef FuncName, const char *ExpectedCategory,
const char *ExpectedMessage) {
auto MaybeTrapReason = DemangleTrapReasonInDebugInfo(FuncName);
ASSERT_TRUE(MaybeTrapReason.has_value());
auto [Category, Message] = MaybeTrapReason.value();
ASSERT_STREQ(Category.str().c_str(), ExpectedCategory);
ASSERT_STREQ(Message.str().c_str(), ExpectedMessage);
}
void CheckInvalidCommon(llvm::StringRef FuncName) {
auto MaybeTrapReason = DemangleTrapReasonInDebugInfo(FuncName);
ASSERT_TRUE(!MaybeTrapReason.has_value());
}
TEST(DemangleTrapReasonInDebugInfo, Valid) {
std::string FuncName(ClangTrapPrefix);
FuncName += "$trap category$trap message";
CheckValidCommon(FuncName, "trap category", "trap message");
}
TEST(DemangleTrapReasonInDebugInfo, ValidEmptyCategory) {
std::string FuncName(ClangTrapPrefix);
FuncName += "$$trap message";
CheckValidCommon(FuncName, "", "trap message");
}
TEST(DemangleTrapReasonInDebugInfo, ValidEmptyMessage) {
std::string FuncName(ClangTrapPrefix);
FuncName += "$trap category$";
CheckValidCommon(FuncName, "trap category", "");
}
TEST(DemangleTrapReasonInDebugInfo, ValidAllEmpty) {
// `__builtin_verbose_trap` actually allows this
// currently. However, we should probably disallow this in Sema because having
// an empty category and message completely defeats the point of using the
// builtin (#165981).
std::string FuncName(ClangTrapPrefix);
FuncName += "$$";
CheckValidCommon(FuncName, "", "");
}
TEST(DemangleTrapReasonInDebugInfo, InvalidOnlyPrefix) {
std::string FuncName(ClangTrapPrefix);
CheckInvalidCommon(FuncName);
}
TEST(DemangleTrapReasonInDebugInfo, Invalid) {
std::string FuncName("foo");
CheckInvalidCommon(FuncName);
}
TEST(DemangleTrapReasonInDebugInfo, InvalidEmpty) { CheckInvalidCommon(""); }
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