llvm-project/clang-tools-extra/clangd/unittests/LoggerTests.cpp

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//===-- LoggerTests.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 "support/Logger.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Error.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace clang {
namespace clangd {
namespace {
TEST(ErrorTest, Overloads) {
EXPECT_EQ("foo", llvm::toString(error("foo")));
// Inconvertible to error code when none is specified.
// Don't actually try to convert, it'll crash.
handleAllErrors(error("foo"), [&](const llvm::ErrorInfoBase &EI) {
EXPECT_EQ(llvm::inconvertibleErrorCode(), EI.convertToErrorCode());
});
EXPECT_EQ("foo 42", llvm::toString(error("foo {0}", 42)));
handleAllErrors(error("foo {0}", 42), [&](const llvm::ErrorInfoBase &EI) {
EXPECT_EQ(llvm::inconvertibleErrorCode(), EI.convertToErrorCode());
});
EXPECT_EQ("foo", llvm::toString(error(llvm::errc::invalid_argument, "foo")));
EXPECT_EQ(llvm::errc::invalid_argument,
llvm::errorToErrorCode(error(llvm::errc::invalid_argument, "foo")));
EXPECT_EQ("foo 42",
llvm::toString(error(llvm::errc::invalid_argument, "foo {0}", 42)));
EXPECT_EQ(llvm::errc::invalid_argument,
llvm::errorToErrorCode(
error(llvm::errc::invalid_argument, "foo {0}", 42)));
}
TEST(ErrorTest, Lifetimes) {
llvm::Optional<llvm::Error> Err;
{
// Check the error contains the value when error() was called.
std::string S = "hello, world";
Err = error("S={0}", llvm::StringRef(S));
S = "garbage";
}
EXPECT_EQ("S=hello, world", llvm::toString(std::move(*Err)));
}
TEST(ErrorTest, ConsumeError) {
llvm::Error Foo = error("foo");
llvm::Error Bar = error("bar: {0}", std::move(Foo));
EXPECT_EQ("bar: foo", llvm::toString(std::move(Bar)));
// No assert for unchecked Foo.
}
} // namespace
} // namespace clangd
} // namespace clang