271 lines
8.4 KiB
C++
271 lines
8.4 KiB
C++
//===- unittest/AST/SourceLocationTest.cpp - AST source loc unit tests ----===//
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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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// This file contains tests for SourceLocation and SourceRange fields
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// in AST nodes.
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//
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// FIXME: In the long-term, when we test more than source locations, we may
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// want to have a unit test file for an AST node (or group of related nodes),
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// rather than a unit test file for source locations for all AST nodes.
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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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// FIXME: Pull the *Verifier tests into their own test file.
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TEST(MatchVerifier, ParseError) {
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LocationVerifier<VarDecl> Verifier;
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Verifier.expectLocation(1, 1);
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EXPECT_FALSE(Verifier.match("int i", varDecl()));
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}
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TEST(MatchVerifier, NoMatch) {
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LocationVerifier<VarDecl> Verifier;
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Verifier.expectLocation(1, 1);
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EXPECT_FALSE(Verifier.match("int i;", recordDecl()));
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}
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TEST(MatchVerifier, WrongType) {
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LocationVerifier<RecordDecl> Verifier;
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Verifier.expectLocation(1, 1);
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EXPECT_FALSE(Verifier.match("int i;", varDecl()));
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}
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TEST(LocationVerifier, WrongLocation) {
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LocationVerifier<VarDecl> Verifier;
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Verifier.expectLocation(1, 1);
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EXPECT_FALSE(Verifier.match("int i;", varDecl()));
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}
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TEST(RangeVerifier, WrongRange) {
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RangeVerifier<VarDecl> Verifier;
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Verifier.expectRange(1, 1, 1, 1);
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EXPECT_FALSE(Verifier.match("int i;", varDecl()));
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}
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class LabelDeclRangeVerifier : public RangeVerifier<LabelStmt> {
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protected:
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virtual SourceRange getRange(const LabelStmt &Node) {
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return Node.getDecl()->getSourceRange();
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}
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};
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TEST(LabelDecl, Range) {
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LabelDeclRangeVerifier Verifier;
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Verifier.expectRange(1, 12, 1, 12);
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EXPECT_TRUE(Verifier.match("void f() { l: return; }", labelStmt()));
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}
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TEST(LabelStmt, Range) {
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RangeVerifier<LabelStmt> Verifier;
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Verifier.expectRange(1, 12, 1, 15);
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EXPECT_TRUE(Verifier.match("void f() { l: return; }", labelStmt()));
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}
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TEST(ParmVarDecl, KNRLocation) {
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LocationVerifier<ParmVarDecl> Verifier;
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Verifier.expectLocation(1, 8);
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EXPECT_TRUE(Verifier.match("void f(i) {}", varDecl(), Lang_C));
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}
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TEST(ParmVarDecl, KNRRange) {
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RangeVerifier<ParmVarDecl> Verifier;
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Verifier.expectRange(1, 8, 1, 8);
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EXPECT_TRUE(Verifier.match("void f(i) {}", varDecl(), Lang_C));
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}
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TEST(CXXNewExpr, ArrayRange) {
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RangeVerifier<CXXNewExpr> Verifier;
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Verifier.expectRange(1, 12, 1, 22);
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EXPECT_TRUE(Verifier.match("void f() { new int[10]; }", newExpr()));
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}
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TEST(CXXNewExpr, ParenRange) {
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RangeVerifier<CXXNewExpr> Verifier;
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Verifier.expectRange(1, 12, 1, 20);
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EXPECT_TRUE(Verifier.match("void f() { new int(); }", newExpr()));
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}
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TEST(MemberExpr, ImplicitMemberRange) {
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RangeVerifier<MemberExpr> Verifier;
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Verifier.expectRange(2, 30, 2, 30);
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EXPECT_TRUE(Verifier.match("struct S { operator int() const; };\n"
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"int foo(const S& s) { return s; }",
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memberExpr()));
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}
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TEST(VarDecl, VMTypeFixedVarDeclRange) {
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RangeVerifier<VarDecl> Verifier;
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Verifier.expectRange(1, 1, 1, 23);
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EXPECT_TRUE(Verifier.match("int a[(int)(void*)1234];",
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varDecl(), Lang_C89));
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}
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TEST(CXXConstructorDecl, NoRetFunTypeLocRange) {
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RangeVerifier<CXXConstructorDecl> Verifier;
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Verifier.expectRange(1, 11, 1, 13);
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EXPECT_TRUE(Verifier.match("class C { C(); };", functionDecl()));
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}
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TEST(CompoundLiteralExpr, CompoundVectorLiteralRange) {
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RangeVerifier<CompoundLiteralExpr> Verifier;
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Verifier.expectRange(2, 11, 2, 22);
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EXPECT_TRUE(Verifier.match(
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"typedef int int2 __attribute__((ext_vector_type(2)));\n"
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"int2 i2 = (int2){1, 2};", compoundLiteralExpr()));
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}
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TEST(CompoundLiteralExpr, ParensCompoundVectorLiteralRange) {
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RangeVerifier<CompoundLiteralExpr> Verifier;
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Verifier.expectRange(2, 20, 2, 31);
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EXPECT_TRUE(Verifier.match(
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"typedef int int2 __attribute__((ext_vector_type(2)));\n"
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"constant int2 i2 = (int2)(1, 2);",
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compoundLiteralExpr(), Lang_OpenCL));
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}
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TEST(InitListExpr, VectorLiteralListBraceRange) {
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RangeVerifier<InitListExpr> Verifier;
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Verifier.expectRange(2, 17, 2, 22);
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EXPECT_TRUE(Verifier.match(
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"typedef int int2 __attribute__((ext_vector_type(2)));\n"
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"int2 i2 = (int2){1, 2};", initListExpr()));
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}
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TEST(InitListExpr, VectorLiteralInitListParens) {
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RangeVerifier<InitListExpr> Verifier;
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Verifier.expectRange(2, 26, 2, 31);
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EXPECT_TRUE(Verifier.match(
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"typedef int int2 __attribute__((ext_vector_type(2)));\n"
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"constant int2 i2 = (int2)(1, 2);", initListExpr(), Lang_OpenCL));
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}
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class TemplateAngleBracketLocRangeVerifier : public RangeVerifier<TypeLoc> {
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protected:
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virtual SourceRange getRange(const TypeLoc &Node) {
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TemplateSpecializationTypeLoc T =
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Node.getUnqualifiedLoc().castAs<TemplateSpecializationTypeLoc>();
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assert(!T.isNull());
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return SourceRange(T.getLAngleLoc(), T.getRAngleLoc());
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}
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};
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TEST(TemplateSpecializationTypeLoc, AngleBracketLocations) {
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TemplateAngleBracketLocRangeVerifier Verifier;
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Verifier.expectRange(2, 8, 2, 10);
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EXPECT_TRUE(Verifier.match(
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"template<typename T> struct A {}; struct B{}; void f(\n"
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"const A<B>&);",
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loc(templateSpecializationType())));
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}
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TEST(CXXNewExpr, TypeParenRange) {
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RangeVerifier<CXXNewExpr> Verifier;
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Verifier.expectRange(1, 10, 1, 18);
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EXPECT_TRUE(Verifier.match("int* a = new (int);", newExpr()));
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}
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class UnaryTransformTypeLocParensRangeVerifier : public RangeVerifier<TypeLoc> {
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protected:
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virtual SourceRange getRange(const TypeLoc &Node) {
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UnaryTransformTypeLoc T =
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Node.getUnqualifiedLoc().castAs<UnaryTransformTypeLoc>();
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assert(!T.isNull());
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return SourceRange(T.getLParenLoc(), T.getRParenLoc());
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}
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};
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TEST(UnaryTransformTypeLoc, ParensRange) {
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UnaryTransformTypeLocParensRangeVerifier Verifier;
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Verifier.expectRange(3, 26, 3, 28);
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EXPECT_TRUE(Verifier.match(
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"template <typename T>\n"
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"struct S {\n"
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"typedef __underlying_type(T) type;\n"
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"};",
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loc(unaryTransformType())));
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}
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TEST(CXXFunctionalCastExpr, SourceRange) {
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RangeVerifier<CXXFunctionalCastExpr> Verifier;
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Verifier.expectRange(2, 10, 2, 14);
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EXPECT_TRUE(Verifier.match(
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"int foo() {\n"
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" return int{};\n"
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"}",
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functionalCastExpr(), Lang_CXX11));
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}
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TEST(CXXTemporaryObjectExpr, SourceRange) {
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RangeVerifier<CXXTemporaryObjectExpr> Verifier;
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Verifier.expectRange(2, 6, 2, 12);
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EXPECT_TRUE(Verifier.match(
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"struct A { A(int, int); };\n"
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"A a( A{0, 0} );",
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temporaryObjectExpr(), Lang_CXX11));
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}
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TEST(CXXUnresolvedConstructExpr, SourceRange) {
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RangeVerifier<CXXUnresolvedConstructExpr> Verifier;
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Verifier.expectRange(3, 10, 3, 12);
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std::vector<std::string> Args;
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Args.push_back("-fno-delayed-template-parsing");
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EXPECT_TRUE(Verifier.match(
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"template <typename U>\n"
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"U foo() {\n"
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" return U{};\n"
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"}",
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unresolvedConstructExpr(), Args, Lang_CXX11));
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}
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TEST(UsingDecl, SourceRange) {
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RangeVerifier<UsingDecl> Verifier;
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Verifier.expectRange(2, 22, 2, 25);
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EXPECT_TRUE(Verifier.match(
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"class B { protected: int i; };\n"
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"class D : public B { B::i; };",
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usingDecl()));
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}
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TEST(UnresolvedUsingValueDecl, SourceRange) {
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RangeVerifier<UnresolvedUsingValueDecl> Verifier;
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Verifier.expectRange(3, 3, 3, 6);
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EXPECT_TRUE(Verifier.match(
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"template <typename B>\n"
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"class D : public B {\n"
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" B::i;\n"
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"};",
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unresolvedUsingValueDecl()));
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}
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TEST(FriendDecl, InstantiationSourceRange) {
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RangeVerifier<FriendDecl> Verifier;
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Verifier.expectRange(4, 3, 4, 35);
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EXPECT_TRUE(Verifier.match(
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"template <typename T> class S;\n"
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"template<class T> void operator+(S<T> x);\n"
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"template<class T> struct S {\n"
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" friend void operator+<>(S<T> src);\n"
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"};\n"
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"void test(S<double> s) { +s; }",
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friendDecl(hasParent(recordDecl(isTemplateInstantiation())))));
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}
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} // end namespace ast_matchers
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} // end namespace clang
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