96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
//===- unittests/Basic/DiagnosticTest.cpp -- Diagnostic engine tests ------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/DiagnosticError.h"
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#include "clang/Basic/DiagnosticIDs.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace clang;
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namespace {
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// Check that DiagnosticErrorTrap works with SuppressAllDiagnostics.
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TEST(DiagnosticTest, suppressAndTrap) {
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DiagnosticsEngine Diags(new DiagnosticIDs(),
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new DiagnosticOptions,
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new IgnoringDiagConsumer());
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Diags.setSuppressAllDiagnostics(true);
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{
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DiagnosticErrorTrap trap(Diags);
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// Diag that would set UncompilableErrorOccurred and ErrorOccurred.
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Diags.Report(diag::err_target_unknown_triple) << "unknown";
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// Diag that would set UnrecoverableErrorOccurred and ErrorOccurred.
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Diags.Report(diag::err_cannot_open_file) << "file" << "error";
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// Diag that would set FatalErrorOccurred
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// (via non-note following a fatal error).
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Diags.Report(diag::warn_mt_message) << "warning";
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EXPECT_TRUE(trap.hasErrorOccurred());
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EXPECT_TRUE(trap.hasUnrecoverableErrorOccurred());
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}
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EXPECT_FALSE(Diags.hasErrorOccurred());
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EXPECT_FALSE(Diags.hasFatalErrorOccurred());
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EXPECT_FALSE(Diags.hasUncompilableErrorOccurred());
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EXPECT_FALSE(Diags.hasUnrecoverableErrorOccurred());
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}
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// Check that FatalsAsError works as intended
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TEST(DiagnosticTest, fatalsAsError) {
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for (unsigned FatalsAsError = 0; FatalsAsError != 2; ++FatalsAsError) {
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DiagnosticsEngine Diags(new DiagnosticIDs(),
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new DiagnosticOptions,
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new IgnoringDiagConsumer());
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Diags.setFatalsAsError(FatalsAsError);
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// Diag that would set UnrecoverableErrorOccurred and ErrorOccurred.
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Diags.Report(diag::err_cannot_open_file) << "file" << "error";
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// Diag that would set FatalErrorOccurred
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// (via non-note following a fatal error).
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Diags.Report(diag::warn_mt_message) << "warning";
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EXPECT_TRUE(Diags.hasErrorOccurred());
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EXPECT_EQ(Diags.hasFatalErrorOccurred(), FatalsAsError ? 0u : 1u);
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EXPECT_TRUE(Diags.hasUncompilableErrorOccurred());
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EXPECT_TRUE(Diags.hasUnrecoverableErrorOccurred());
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// The warning should be emitted and counted only if we're not suppressing
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// after fatal errors.
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EXPECT_EQ(Diags.getNumWarnings(), FatalsAsError);
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}
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}
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TEST(DiagnosticTest, diagnosticError) {
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DiagnosticsEngine Diags(new DiagnosticIDs(), new DiagnosticOptions,
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new IgnoringDiagConsumer());
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PartialDiagnostic::StorageAllocator Alloc;
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llvm::Expected<std::pair<int, int>> Value = DiagnosticError::create(
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SourceLocation(), PartialDiagnostic(diag::err_cannot_open_file, Alloc)
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<< "file"
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<< "error");
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ASSERT_TRUE(!Value);
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llvm::Error Err = Value.takeError();
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Optional<PartialDiagnosticAt> ErrDiag = DiagnosticError::take(Err);
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llvm::cantFail(std::move(Err));
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ASSERT_FALSE(!ErrDiag);
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EXPECT_EQ(ErrDiag->first, SourceLocation());
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EXPECT_EQ(ErrDiag->second.getDiagID(), diag::err_cannot_open_file);
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Value = std::make_pair(20, 1);
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ASSERT_FALSE(!Value);
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EXPECT_EQ(*Value, std::make_pair(20, 1));
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EXPECT_EQ(Value->first, 20);
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}
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}
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