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carbon-lang/toolchain/diagnostics/sorting_diagnostic_consumer_test.cpp
T

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "toolchain/diagnostics/sorting_diagnostic_consumer.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "llvm/ADT/StringRef.h"
#include "toolchain/diagnostics/diagnostic_emitter.h"
#include "toolchain/diagnostics/mocks.h"
namespace Carbon {
namespace {
using ::Carbon::Testing::IsSingleDiagnostic;
using ::testing::InSequence;
CARBON_DIAGNOSTIC(TestDiagnostic, Error, "{0}", llvm::StringLiteral);
struct FakeDiagnosticConverter : DiagnosticConverter<DiagnosticLoc> {
auto ConvertLoc(DiagnosticLoc loc, ContextFnT /*context_fn*/) const
-> DiagnosticLoc override {
return loc;
}
};
TEST(SortedDiagnosticEmitterTest, SortErrors) {
FakeDiagnosticConverter converter;
Testing::MockDiagnosticConsumer consumer;
SortingDiagnosticConsumer sorting_consumer(consumer);
DiagnosticEmitter<DiagnosticLoc> emitter(converter, sorting_consumer);
emitter.Emit({"f", "line", 2, 1}, TestDiagnostic, "M1");
emitter.Emit({"f", "line", 1, 1}, TestDiagnostic, "M2");
emitter.Emit({"f", "line", 1, 3}, TestDiagnostic, "M3");
emitter.Emit({"f", "line", 3, 4}, TestDiagnostic, "M4");
emitter.Emit({"f", "line", 3, 2}, TestDiagnostic, "M5");
emitter.Emit({"f", "line", 3, 2}, TestDiagnostic, "M6");
InSequence s;
EXPECT_CALL(consumer, HandleDiagnostic(IsSingleDiagnostic(
DiagnosticKind::TestDiagnostic,
DiagnosticLevel::Error, 1, 1, "M2")));
EXPECT_CALL(consumer, HandleDiagnostic(IsSingleDiagnostic(
DiagnosticKind::TestDiagnostic,
DiagnosticLevel::Error, 1, 3, "M3")));
EXPECT_CALL(consumer, HandleDiagnostic(IsSingleDiagnostic(
DiagnosticKind::TestDiagnostic,
DiagnosticLevel::Error, 2, 1, "M1")));
EXPECT_CALL(consumer, HandleDiagnostic(IsSingleDiagnostic(
DiagnosticKind::TestDiagnostic,
DiagnosticLevel::Error, 3, 2, "M5")));
EXPECT_CALL(consumer, HandleDiagnostic(IsSingleDiagnostic(
DiagnosticKind::TestDiagnostic,
DiagnosticLevel::Error, 3, 2, "M6")));
EXPECT_CALL(consumer, HandleDiagnostic(IsSingleDiagnostic(
DiagnosticKind::TestDiagnostic,
DiagnosticLevel::Error, 3, 4, "M4")));
sorting_consumer.Flush();
}
} // namespace
} // namespace Carbon