144 lines
5.1 KiB
C++
144 lines
5.1 KiB
C++
//===- unittest/ASTMatchers/Dynamic/VariantValueTest.cpp - VariantValue unit tests -===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===-----------------------------------------------------------------------------===//
|
|
|
|
#include "../ASTMatchersTest.h"
|
|
#include "clang/ASTMatchers/Dynamic/VariantValue.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
namespace clang {
|
|
namespace ast_matchers {
|
|
namespace dynamic {
|
|
namespace {
|
|
|
|
using ast_matchers::internal::DynTypedMatcher;
|
|
using ast_matchers::internal::Matcher;
|
|
|
|
TEST(VariantValueTest, Unsigned) {
|
|
const unsigned kUnsigned = 17;
|
|
VariantValue Value = kUnsigned;
|
|
|
|
EXPECT_TRUE(Value.isUnsigned());
|
|
EXPECT_EQ(kUnsigned, Value.getUnsigned());
|
|
|
|
EXPECT_FALSE(Value.isString());
|
|
EXPECT_FALSE(Value.isMatcher());
|
|
}
|
|
|
|
TEST(VariantValueTest, String) {
|
|
const ::std::string kString = "string";
|
|
VariantValue Value = kString;
|
|
|
|
EXPECT_TRUE(Value.isString());
|
|
EXPECT_EQ(kString, Value.getString());
|
|
EXPECT_EQ("String", Value.getTypeAsString());
|
|
|
|
EXPECT_FALSE(Value.isUnsigned());
|
|
EXPECT_FALSE(Value.isMatcher());
|
|
}
|
|
|
|
TEST(VariantValueTest, DynTypedMatcher) {
|
|
VariantValue Value = VariantMatcher::SingleMatcher(stmt());
|
|
|
|
EXPECT_FALSE(Value.isUnsigned());
|
|
EXPECT_FALSE(Value.isString());
|
|
|
|
EXPECT_TRUE(Value.isMatcher());
|
|
EXPECT_FALSE(Value.getMatcher().hasTypedMatcher<Decl>());
|
|
EXPECT_TRUE(Value.getMatcher().hasTypedMatcher<UnaryOperator>());
|
|
EXPECT_EQ("Matcher<Stmt>", Value.getTypeAsString());
|
|
|
|
// Can only convert to compatible matchers.
|
|
Value = VariantMatcher::SingleMatcher(recordDecl());
|
|
EXPECT_TRUE(Value.isMatcher());
|
|
EXPECT_TRUE(Value.getMatcher().hasTypedMatcher<Decl>());
|
|
EXPECT_FALSE(Value.getMatcher().hasTypedMatcher<UnaryOperator>());
|
|
EXPECT_EQ("Matcher<Decl>", Value.getTypeAsString());
|
|
|
|
Value = VariantMatcher::SingleMatcher(ignoringImpCasts(expr()));
|
|
EXPECT_TRUE(Value.isMatcher());
|
|
EXPECT_FALSE(Value.getMatcher().hasTypedMatcher<Decl>());
|
|
EXPECT_FALSE(Value.getMatcher().hasTypedMatcher<Stmt>());
|
|
EXPECT_TRUE(Value.getMatcher().hasTypedMatcher<Expr>());
|
|
EXPECT_TRUE(Value.getMatcher().hasTypedMatcher<IntegerLiteral>());
|
|
EXPECT_FALSE(Value.getMatcher().hasTypedMatcher<GotoStmt>());
|
|
EXPECT_EQ("Matcher<Expr>", Value.getTypeAsString());
|
|
}
|
|
|
|
TEST(VariantValueTest, Assignment) {
|
|
VariantValue Value = std::string("A");
|
|
EXPECT_TRUE(Value.isString());
|
|
EXPECT_EQ("A", Value.getString());
|
|
EXPECT_FALSE(Value.isUnsigned());
|
|
EXPECT_FALSE(Value.isMatcher());
|
|
EXPECT_EQ("String", Value.getTypeAsString());
|
|
|
|
Value = VariantMatcher::SingleMatcher(recordDecl());
|
|
EXPECT_FALSE(Value.isUnsigned());
|
|
EXPECT_FALSE(Value.isString());
|
|
EXPECT_TRUE(Value.isMatcher());
|
|
EXPECT_TRUE(Value.getMatcher().hasTypedMatcher<Decl>());
|
|
EXPECT_FALSE(Value.getMatcher().hasTypedMatcher<UnaryOperator>());
|
|
EXPECT_EQ("Matcher<Decl>", Value.getTypeAsString());
|
|
|
|
Value = 17;
|
|
EXPECT_TRUE(Value.isUnsigned());
|
|
EXPECT_EQ(17U, Value.getUnsigned());
|
|
EXPECT_FALSE(Value.isMatcher());
|
|
EXPECT_FALSE(Value.isString());
|
|
|
|
Value = VariantValue();
|
|
EXPECT_FALSE(Value.isUnsigned());
|
|
EXPECT_FALSE(Value.isString());
|
|
EXPECT_FALSE(Value.isMatcher());
|
|
EXPECT_EQ("Nothing", Value.getTypeAsString());
|
|
}
|
|
|
|
TEST(VariantValueTest, Matcher) {
|
|
EXPECT_TRUE(matches("class X {};", VariantValue(VariantMatcher::SingleMatcher(
|
|
recordDecl(hasName("X"))))
|
|
.getMatcher()
|
|
.getTypedMatcher<Decl>()));
|
|
EXPECT_TRUE(
|
|
matches("int x;", VariantValue(VariantMatcher::SingleMatcher(varDecl()))
|
|
.getMatcher()
|
|
.getTypedMatcher<Decl>()));
|
|
EXPECT_TRUE(
|
|
matches("int foo() { return 1 + 1; }",
|
|
VariantValue(VariantMatcher::SingleMatcher(functionDecl()))
|
|
.getMatcher()
|
|
.getTypedMatcher<Decl>()));
|
|
// Can't get the wrong matcher.
|
|
EXPECT_FALSE(VariantValue(VariantMatcher::SingleMatcher(varDecl()))
|
|
.getMatcher()
|
|
.hasTypedMatcher<Stmt>());
|
|
#if !defined(NDEBUG) && GTEST_HAS_DEATH_TEST && !defined(_MSC_VER)
|
|
// Trying to get the wrong matcher fails an assertion in Matcher<T>. We don't
|
|
// do this test when building with MSVC because its debug C runtime prints the
|
|
// assertion failure message as a wide string, which gtest doesn't understand.
|
|
EXPECT_DEATH(VariantValue(VariantMatcher::SingleMatcher(varDecl()))
|
|
.getMatcher()
|
|
.getTypedMatcher<Stmt>(),
|
|
"hasTypedMatcher");
|
|
#endif
|
|
|
|
EXPECT_FALSE(matches(
|
|
"int x;", VariantValue(VariantMatcher::SingleMatcher(functionDecl()))
|
|
.getMatcher()
|
|
.getTypedMatcher<Decl>()));
|
|
EXPECT_FALSE(
|
|
matches("int foo() { return 1 + 1; }",
|
|
VariantValue(VariantMatcher::SingleMatcher(declRefExpr()))
|
|
.getMatcher()
|
|
.getTypedMatcher<Stmt>()));
|
|
}
|
|
|
|
} // end anonymous namespace
|
|
} // end namespace dynamic
|
|
} // end namespace ast_matchers
|
|
} // end namespace clang
|