VariantValueTest.cpp revision f7f295f321fd434e1e542844a71f538a56f2f8fb
1f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek//===- unittest/ASTMatchers/Dynamic/VariantValueTest.cpp - VariantValue unit tests -===// 2f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek// 3f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek// The LLVM Compiler Infrastructure 4f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek// 5f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek// This file is distributed under the University of Illinois Open Source 6f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek// License. See LICENSE.TXT for details. 7f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek// 8f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek//===-----------------------------------------------------------------------------===// 9f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 10f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek#include "../ASTMatchersTest.h" 11f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek#include "clang/ASTMatchers/Dynamic/VariantValue.h" 12f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek#include "gtest/gtest.h" 13f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 14f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimeknamespace clang { 15f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimeknamespace ast_matchers { 16f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimeknamespace dynamic { 17f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimeknamespace { 18f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 19f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimekusing ast_matchers::internal::DynTypedMatcher; 20f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimekusing ast_matchers::internal::Matcher; 21f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 22f7f295f321fd434e1e542844a71f538a56f2f8fbManuel KlimekTEST(VariantValueTest, String) { 23f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek const ::std::string kString = "string"; 24f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek VariantValue Value = kString; 25f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 26f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isString()); 27f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_EQ(kString, Value.getString()); 28f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 29f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(Value.isMatcher()); 30f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(Value.isTypedMatcher<clang::Decl>()); 31f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(Value.isTypedMatcher<clang::UnaryOperator>()); 32f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek} 33f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 34f7f295f321fd434e1e542844a71f538a56f2f8fbManuel KlimekTEST(VariantValueTest, DynTypedMatcher) { 35f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek VariantValue Value = stmt(); 36f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 37f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(Value.isString()); 38f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 39f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isMatcher()); 40f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isTypedMatcher<clang::Decl>()); 41f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isTypedMatcher<clang::UnaryOperator>()); 42f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 43f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek // Conversion to any type of matcher works. 44f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek // If they are not compatible it would just return a matcher that matches 45f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek // nothing. We test this below. 46f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek Value = recordDecl(); 47f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isMatcher()); 48f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isTypedMatcher<clang::Decl>()); 49f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isTypedMatcher<clang::UnaryOperator>()); 50f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 51f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek Value = unaryOperator(); 52f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isMatcher()); 53f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isTypedMatcher<clang::Decl>()); 54f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isTypedMatcher<clang::Stmt>()); 55f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isTypedMatcher<clang::UnaryOperator>()); 56f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek} 57f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 58f7f295f321fd434e1e542844a71f538a56f2f8fbManuel KlimekTEST(VariantValueTest, Assignment) { 59f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek VariantValue Value = std::string("A"); 60f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isString()); 61f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_EQ("A", Value.getString()); 62f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(Value.isMatcher()); 63f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 64f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek Value = recordDecl(); 65f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(Value.isString()); 66f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isMatcher()); 67f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isTypedMatcher<clang::Decl>()); 68f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(Value.isTypedMatcher<clang::UnaryOperator>()); 69f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 70f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek Value = VariantValue(); 71f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(Value.isString()); 72f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(Value.isMatcher()); 73f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek} 74f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 75f7f295f321fd434e1e542844a71f538a56f2f8fbManuel KlimekTEST(GeneicValueTest, Matcher) { 76f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(matchesDynamic( 77f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek "class X {};", VariantValue(recordDecl(hasName("X"))).getMatcher())); 78f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(matchesDynamic( 79f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek "int x;", VariantValue(varDecl()).getTypedMatcher<clang::Decl>())); 80f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_TRUE(matchesDynamic("int foo() { return 1 + 1; }", 81f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek VariantValue(functionDecl()).getMatcher())); 82f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek // Going through the wrong Matcher<T> will fail to match, even if the 83f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek // underlying matcher is correct. 84f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(matchesDynamic( 85f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek "int x;", VariantValue(varDecl()).getTypedMatcher<clang::Stmt>())); 86f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 87f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE( 88f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek matchesDynamic("int x;", VariantValue(functionDecl()).getMatcher())); 89f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek EXPECT_FALSE(matchesDynamic( 90f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek "int foo() { return 1 + 1; }", 91f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek VariantValue(declRefExpr()).getTypedMatcher<clang::DeclRefExpr>())); 92f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek} 93f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek 94f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek} // end anonymous namespace 95f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek} // end namespace dynamic 96f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek} // end namespace ast_matchers 97f7f295f321fd434e1e542844a71f538a56f2f8fbManuel Klimek} // end namespace clang 98