116 lines
3.3 KiB
C++
116 lines
3.3 KiB
C++
//===-- ModulesTests.cpp ---------------------------------------*- C++ -*-===//
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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 "Annotations.h"
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#include "TestFS.h"
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#include "TestTU.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include <memory>
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#include <string>
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namespace clang {
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namespace clangd {
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namespace {
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TEST(Modules, TextualIncludeInPreamble) {
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TestTU TU = TestTU::withCode(R"cpp(
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#include "Textual.h"
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void foo() {}
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)cpp");
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TU.ExtraArgs.push_back("-fmodule-name=M");
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TU.ExtraArgs.push_back("-fmodule-map-file=" + testPath("m.modulemap"));
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TU.AdditionalFiles["Textual.h"] = "void foo();";
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TU.AdditionalFiles["m.modulemap"] = R"modulemap(
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module M {
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module Textual {
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textual header "Textual.h"
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}
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}
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)modulemap";
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// Test that we do not crash.
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TU.index();
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}
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// Verify that visibility of AST nodes belonging to modules, but loaded from
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// preamble PCH, is restored.
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TEST(Modules, PreambleBuildVisibility) {
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TestTU TU = TestTU::withCode(R"cpp(
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#include "module.h"
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foo x;
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)cpp");
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TU.OverlayRealFileSystemForModules = true;
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TU.ExtraArgs.push_back("-fmodules");
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TU.ExtraArgs.push_back("-fmodules-strict-decluse");
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TU.ExtraArgs.push_back("-Xclang");
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TU.ExtraArgs.push_back("-fmodules-local-submodule-visibility");
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TU.ExtraArgs.push_back("-fmodule-map-file=" + testPath("m.modulemap"));
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TU.AdditionalFiles["module.h"] = R"cpp(
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typedef int foo;
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)cpp";
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TU.AdditionalFiles["m.modulemap"] = R"modulemap(
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module M {
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header "module.h"
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}
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)modulemap";
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EXPECT_TRUE(TU.build().getDiagnostics()->empty());
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}
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TEST(Modules, Diagnostic) {
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// Produce a diagnostic while building an implicit module. Use
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// -fmodules-strict-decluse, but any non-silenced diagnostic will do.
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TestTU TU = TestTU::withCode(R"cpp(
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/*error-ok*/
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#include "modular.h"
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void bar() {}
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)cpp");
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TU.OverlayRealFileSystemForModules = true;
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TU.ExtraArgs.push_back("-fmodule-map-file=" + testPath("m.modulemap"));
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TU.ExtraArgs.push_back("-fmodules");
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TU.ExtraArgs.push_back("-fimplicit-modules");
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TU.ExtraArgs.push_back("-fmodules-strict-decluse");
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TU.AdditionalFiles["modular.h"] = R"cpp(
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#include "non-modular.h"
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)cpp";
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TU.AdditionalFiles["non-modular.h"] = "";
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TU.AdditionalFiles["m.modulemap"] = R"modulemap(
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module M {
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header "modular.h"
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}
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)modulemap";
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// Test that we do not crash.
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TU.build();
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}
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// Unknown module formats are a fatal failure for clang. Ensure we don't crash.
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TEST(Modules, UnknownFormat) {
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TestTU TU = TestTU::withCode(R"(#include "modular.h")");
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TU.OverlayRealFileSystemForModules = true;
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TU.ExtraArgs.push_back("-Xclang");
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TU.ExtraArgs.push_back("-fmodule-format=obj");
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TU.ExtraArgs.push_back("-fmodule-map-file=" + testPath("m.modulemap"));
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TU.ExtraArgs.push_back("-fmodules");
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TU.ExtraArgs.push_back("-fimplicit-modules");
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TU.AdditionalFiles["modular.h"] = "";
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TU.AdditionalFiles["m.modulemap"] = R"modulemap(
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module M {
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header "modular.h"
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})modulemap";
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// Test that we do not crash.
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TU.build();
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}
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} // namespace
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} // namespace clangd
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} // namespace clang
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