71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
//===- unittest/AST/ASTContextParentMapTest.cpp - AST parent map test -----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Tests for the getParents(...) methods of ASTContext.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/ASTContext.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include "clang/ASTMatchers/ASTMatchers.h"
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#include "clang/Tooling/Tooling.h"
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#include "gtest/gtest.h"
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#include "MatchVerifier.h"
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namespace clang {
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namespace ast_matchers {
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using clang::tooling::newFrontendActionFactory;
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using clang::tooling::runToolOnCodeWithArgs;
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using clang::tooling::FrontendActionFactory;
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TEST(GetParents, ReturnsParentForDecl) {
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MatchVerifier<Decl> Verifier;
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EXPECT_TRUE(Verifier.match("class C { void f(); };",
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methodDecl(hasParent(recordDecl(hasName("C"))))));
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}
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TEST(GetParents, ReturnsParentForStmt) {
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MatchVerifier<Stmt> Verifier;
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EXPECT_TRUE(Verifier.match("class C { void f() { if (true) {} } };",
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ifStmt(hasParent(compoundStmt()))));
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}
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TEST(GetParents, ReturnsParentInsideTemplateInstantiations) {
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MatchVerifier<Decl> DeclVerifier;
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EXPECT_TRUE(DeclVerifier.match(
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"template<typename T> struct C { void f() {} };"
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"void g() { C<int> c; c.f(); }",
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methodDecl(hasName("f"),
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hasParent(recordDecl(isTemplateInstantiation())))));
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EXPECT_TRUE(DeclVerifier.match(
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"template<typename T> struct C { void f() {} };"
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"void g() { C<int> c; c.f(); }",
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methodDecl(hasName("f"),
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hasParent(recordDecl(unless(isTemplateInstantiation()))))));
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EXPECT_FALSE(DeclVerifier.match(
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"template<typename T> struct C { void f() {} };"
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"void g() { C<int> c; c.f(); }",
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methodDecl(hasName("f"),
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allOf(hasParent(recordDecl(unless(isTemplateInstantiation()))),
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hasParent(recordDecl(isTemplateInstantiation()))))));
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}
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TEST(GetParents, ReturnsMultipleParentsInTemplateInstantiations) {
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MatchVerifier<Stmt> TemplateVerifier;
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EXPECT_TRUE(TemplateVerifier.match(
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"template<typename T> struct C { void f() {} };"
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"void g() { C<int> c; c.f(); }",
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compoundStmt(
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allOf(hasAncestor(recordDecl(isTemplateInstantiation())),
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hasAncestor(recordDecl(unless(isTemplateInstantiation())))))));
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}
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} // end namespace ast_matchers
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} // end namespace clang
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