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//===- unittest/AST/SourceLocationTest.cpp - AST source loc unit tests ----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains tests for SourceLocation and SourceRange fields
// in AST nodes.
//
// FIXME: In the long-term, when we test more than source locations, we may
// want to have a unit test file for an AST node (or group of related nodes),
// rather than a unit test file for source locations for all AST nodes.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/ASTContext.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/ASTMatchers/ASTMatchers.h"
#include "clang/Tooling/Tooling.h"
#include "gtest/gtest.h"
#include "MatchVerifier.h"
namespace clang {
namespace ast_matchers {
// FIXME: Pull the *Verifier tests into their own test file.
TEST(MatchVerifier, ParseError) {
LocationVerifier<VarDecl> Verifier;
Verifier.expectLocation(1, 1);
EXPECT_FALSE(Verifier.match("int i", varDecl()));
}
TEST(MatchVerifier, NoMatch) {
LocationVerifier<VarDecl> Verifier;
Verifier.expectLocation(1, 1);
EXPECT_FALSE(Verifier.match("int i;", recordDecl()));
}
TEST(MatchVerifier, WrongType) {
LocationVerifier<RecordDecl> Verifier;
Verifier.expectLocation(1, 1);
EXPECT_FALSE(Verifier.match("int i;", varDecl()));
}
TEST(LocationVerifier, WrongLocation) {
LocationVerifier<VarDecl> Verifier;
Verifier.expectLocation(1, 1);
EXPECT_FALSE(Verifier.match("int i;", varDecl()));
}
TEST(RangeVerifier, WrongRange) {
RangeVerifier<VarDecl> Verifier;
Verifier.expectRange(1, 1, 1, 1);
EXPECT_FALSE(Verifier.match("int i;", varDecl()));
}
class LabelDeclRangeVerifier : public RangeVerifier<LabelStmt> {
protected:
virtual SourceRange getRange(const LabelStmt &Node) {
return Node.getDecl()->getSourceRange();
}
};
TEST(LabelDecl, Range) {
LabelDeclRangeVerifier Verifier;
Verifier.expectRange(1, 12, 1, 12);
EXPECT_TRUE(Verifier.match("void f() { l: return; }", labelStmt()));
}
TEST(LabelStmt, Range) {
RangeVerifier<LabelStmt> Verifier;
Verifier.expectRange(1, 12, 1, 15);
EXPECT_TRUE(Verifier.match("void f() { l: return; }", labelStmt()));
}
TEST(ParmVarDecl, KNRLocation) {
LocationVerifier<ParmVarDecl> Verifier;
Verifier.expectLocation(1, 8);
EXPECT_TRUE(Verifier.match("void f(i) {}", varDecl(), Lang_C));
}
TEST(ParmVarDecl, KNRRange) {
RangeVerifier<ParmVarDecl> Verifier;
Verifier.expectRange(1, 8, 1, 8);
EXPECT_TRUE(Verifier.match("void f(i) {}", varDecl(), Lang_C));
}
TEST(CXXNewExpr, ArrayRange) {
RangeVerifier<CXXNewExpr> Verifier;
Verifier.expectRange(1, 12, 1, 22);
EXPECT_TRUE(Verifier.match("void f() { new int[10]; }", newExpr()));
}
TEST(CXXNewExpr, ParenRange) {
RangeVerifier<CXXNewExpr> Verifier;
Verifier.expectRange(1, 12, 1, 20);
EXPECT_TRUE(Verifier.match("void f() { new int(); }", newExpr()));
}
TEST(MemberExpr, ImplicitMemberRange) {
RangeVerifier<MemberExpr> Verifier;
Verifier.expectRange(2, 30, 2, 30);
EXPECT_TRUE(Verifier.match("struct S { operator int() const; };\n"
"int foo(const S& s) { return s; }",
memberExpr()));
}
TEST(VarDecl, VMTypeFixedVarDeclRange) {
RangeVerifier<VarDecl> Verifier;
Verifier.expectRange(1, 1, 1, 23);
EXPECT_TRUE(Verifier.match("int a[(int)(void*)1234];",
varDecl(), Lang_C89));
}
TEST(CXXConstructorDecl, NoRetFunTypeLocRange) {
RangeVerifier<CXXConstructorDecl> Verifier;
Verifier.expectRange(1, 11, 1, 13);
EXPECT_TRUE(Verifier.match("class C { C(); };", functionDecl()));
}
TEST(CompoundLiteralExpr, CompoundVectorLiteralRange) {
RangeVerifier<CompoundLiteralExpr> Verifier;
Verifier.expectRange(2, 11, 2, 22);
EXPECT_TRUE(Verifier.match(
"typedef int int2 __attribute__((ext_vector_type(2)));\n"
"int2 i2 = (int2){1, 2};", compoundLiteralExpr()));
}
TEST(CompoundLiteralExpr, ParensCompoundVectorLiteralRange) {
RangeVerifier<CompoundLiteralExpr> Verifier;
Verifier.expectRange(2, 20, 2, 31);
EXPECT_TRUE(Verifier.match(
"typedef int int2 __attribute__((ext_vector_type(2)));\n"
"constant int2 i2 = (int2)(1, 2);",
compoundLiteralExpr(), Lang_OpenCL));
}
TEST(InitListExpr, VectorLiteralListBraceRange) {
RangeVerifier<InitListExpr> Verifier;
Verifier.expectRange(2, 17, 2, 22);
EXPECT_TRUE(Verifier.match(
"typedef int int2 __attribute__((ext_vector_type(2)));\n"
"int2 i2 = (int2){1, 2};", initListExpr()));
}
TEST(InitListExpr, VectorLiteralInitListParens) {
RangeVerifier<InitListExpr> Verifier;
Verifier.expectRange(2, 26, 2, 31);
EXPECT_TRUE(Verifier.match(
"typedef int int2 __attribute__((ext_vector_type(2)));\n"
"constant int2 i2 = (int2)(1, 2);", initListExpr(), Lang_OpenCL));
}
class TemplateAngleBracketLocRangeVerifier : public RangeVerifier<TypeLoc> {
protected:
virtual SourceRange getRange(const TypeLoc &Node) {
TemplateSpecializationTypeLoc T =
Node.getUnqualifiedLoc().castAs<TemplateSpecializationTypeLoc>();
assert(!T.isNull());
return SourceRange(T.getLAngleLoc(), T.getRAngleLoc());
}
};
TEST(TemplateSpecializationTypeLoc, AngleBracketLocations) {
TemplateAngleBracketLocRangeVerifier Verifier;
Verifier.expectRange(2, 8, 2, 10);
EXPECT_TRUE(Verifier.match(
"template<typename T> struct A {}; struct B{}; void f(\n"
"const A<B>&);",
loc(templateSpecializationType())));
}
TEST(CXXNewExpr, TypeParenRange) {
RangeVerifier<CXXNewExpr> Verifier;
Verifier.expectRange(1, 10, 1, 18);
EXPECT_TRUE(Verifier.match("int* a = new (int);", newExpr()));
}
} // end namespace ast_matchers
} // end namespace clang
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