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https://github.com/carbon-language/carbon-lang.git
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83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include "toolchain/diagnostics/diagnostic_emitter.h"
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include "llvm/ADT/StringRef.h"
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#include "toolchain/diagnostics/mocks.h"
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namespace Carbon::Testing {
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namespace {
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using ::Carbon::Testing::IsDiagnostic;
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using ::Carbon::Testing::IsSingleDiagnostic;
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using testing::ElementsAre;
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struct FakeDiagnosticConverter : DiagnosticConverter<int> {
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auto ConvertLoc(int n, ContextFnT /*context_fn*/) const
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-> DiagnosticLoc override {
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return {.line_number = 1, .column_number = n};
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}
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};
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class DiagnosticEmitterTest : public ::testing::Test {
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protected:
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DiagnosticEmitterTest() : emitter_(converter_, consumer_) {}
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FakeDiagnosticConverter converter_;
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Testing::MockDiagnosticConsumer consumer_;
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DiagnosticEmitter<int> emitter_;
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};
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TEST_F(DiagnosticEmitterTest, EmitSimpleError) {
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CARBON_DIAGNOSTIC(TestDiagnostic, Error, "simple error");
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EXPECT_CALL(consumer_, HandleDiagnostic(IsSingleDiagnostic(
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DiagnosticKind::TestDiagnostic,
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DiagnosticLevel::Error, 1, 1, "simple error")));
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EXPECT_CALL(consumer_, HandleDiagnostic(IsSingleDiagnostic(
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DiagnosticKind::TestDiagnostic,
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DiagnosticLevel::Error, 1, 2, "simple error")));
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emitter_.Emit(1, TestDiagnostic);
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emitter_.Emit(2, TestDiagnostic);
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}
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TEST_F(DiagnosticEmitterTest, EmitSimpleWarning) {
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CARBON_DIAGNOSTIC(TestDiagnostic, Warning, "simple warning");
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EXPECT_CALL(consumer_,
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HandleDiagnostic(IsSingleDiagnostic(
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DiagnosticKind::TestDiagnostic, DiagnosticLevel::Warning, 1,
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1, "simple warning")));
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emitter_.Emit(1, TestDiagnostic);
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}
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TEST_F(DiagnosticEmitterTest, EmitOneArgDiagnostic) {
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CARBON_DIAGNOSTIC(TestDiagnostic, Error, "arg: `{0}`", llvm::StringLiteral);
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EXPECT_CALL(consumer_, HandleDiagnostic(IsSingleDiagnostic(
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DiagnosticKind::TestDiagnostic,
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DiagnosticLevel::Error, 1, 1, "arg: `str`")));
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emitter_.Emit(1, TestDiagnostic, "str");
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}
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TEST_F(DiagnosticEmitterTest, EmitNote) {
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CARBON_DIAGNOSTIC(TestDiagnostic, Warning, "simple warning");
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CARBON_DIAGNOSTIC(TestDiagnosticNote, Note, "note");
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EXPECT_CALL(
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consumer_,
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HandleDiagnostic(IsDiagnostic(
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DiagnosticLevel::Warning,
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ElementsAre(
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IsDiagnosticMessage(DiagnosticKind::TestDiagnostic,
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DiagnosticLevel::Warning, 1, 1,
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"simple warning"),
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IsDiagnosticMessage(DiagnosticKind::TestDiagnosticNote,
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DiagnosticLevel::Note, 1, 2, "note")))));
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emitter_.Build(1, TestDiagnostic).Note(2, TestDiagnosticNote).Emit();
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}
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} // namespace
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} // namespace Carbon::Testing
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