mirror of
https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
f89985d0f4
<img width="536" alt="Screenshot 2025-02-06 at 3 02 18 PM" src="https://github.com/user-attachments/assets/27b7673d-f8d4-4f9f-9e5d-20c3a88b8c78" /> Requires the caching work in #4897
66 lines
2.5 KiB
C++
66 lines
2.5 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 <gtest/gtest.h>
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#include "absl/flags/flag.h"
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#include "toolchain/diagnostics/diagnostic_kind.h"
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#include "toolchain/testing/coverage_helper.h"
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ABSL_FLAG(std::string, testdata_manifest, "",
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"A path to a file containing repo-relative names of test files.");
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namespace Carbon {
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namespace {
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constexpr DiagnosticKind DiagnosticKinds[] = {
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#define CARBON_DIAGNOSTIC_KIND(Name) DiagnosticKind::Name,
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#include "toolchain/diagnostics/diagnostic_kind.def"
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};
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constexpr DiagnosticKind UntestedDiagnosticKinds[] = {
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// These exist only for unit tests.
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DiagnosticKind::TestDiagnostic,
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DiagnosticKind::TestDiagnosticNote,
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// Diagnosing erroneous install conditions, but test environments are
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// typically correct.
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DiagnosticKind::CompilePreludeManifestError,
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DiagnosticKind::DriverInstallInvalid,
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// These diagnose filesystem issues that are hard to unit test.
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DiagnosticKind::ErrorReadingFile,
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DiagnosticKind::ErrorStattingFile,
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DiagnosticKind::FileTooLarge,
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// These aren't feasible to test with a normal testcase, but are tested in
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// lex/tokenized_buffer_test.cpp.
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DiagnosticKind::TooManyTokens,
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DiagnosticKind::UnsupportedCRLineEnding,
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DiagnosticKind::UnsupportedLFCRLineEnding,
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// This is a little long but is tested in lex/numeric_literal_test.cpp.
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DiagnosticKind::TooManyDigits,
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// TODO: This can only fire if the first message in a diagnostic is rooted
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// in a file other than the file being compiled. The language server
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// currently only supports compiling one file at a time. Do one of:
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// - When imports are supported, find a diagnostic whose first message isn't
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// in the current file.
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// - Require all diagnostics produced by compiling have their first location
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// be in the file being compiled, never an import.
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DiagnosticKind::LanguageServerDiagnosticInWrongFile,
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};
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// Looks for diagnostic kinds that aren't covered by a file_test.
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TEST(Coverage, DiagnosticKind) {
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Testing::TestKindCoverage(absl::GetFlag(FLAGS_testdata_manifest),
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R"(^ *// CHECK:STDERR: .* \[(\w+)\]$)",
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llvm::ArrayRef(DiagnosticKinds),
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llvm::ArrayRef(UntestedDiagnosticKinds));
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}
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} // namespace
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} // namespace Carbon
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