Dividied ASTMatcherTests into 4 files

fix for long compilation [20061]
http://reviews.llvm.org/D20210

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@269802 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 240 insertions, 0 deletions

diff --git a/unittests/ASTMatchers/ASTMatchersInternalTest.cpp b/unittests/ASTMatchers/ASTMatchersInternalTest.cpp
new file mode 100644
index 0000000000..c12056f444
--- /dev/null
+++ b/unittests/ASTMatchers/ASTMatchersInternalTest.cpp
@@ -0,0 +1,240 @@
+// unittests/ASTMatchers/ASTMatchersInternalTest.cpp - AST matcher 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/AST/PrettyPrinter.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/ASTMatchers/ASTMatchers.h"
+#include "clang/Tooling/Tooling.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/Host.h"
+#include "gtest/gtest.h"
+
+namespace clang {
+namespace ast_matchers {
+
+#if GTEST_HAS_DEATH_TEST
+TEST(HasNameDeathTest, DiesOnEmptyName) {
+  ASSERT_DEBUG_DEATH({
+    DeclarationMatcher HasEmptyName = recordDecl(hasName(""));
+    EXPECT_TRUE(notMatches("class X {};", HasEmptyName));
+  }, "");
+}
+
+TEST(HasNameDeathTest, DiesOnEmptyPattern) {
+  ASSERT_DEBUG_DEATH({
+      DeclarationMatcher HasEmptyName = recordDecl(matchesName(""));
+      EXPECT_TRUE(notMatches("class X {};", HasEmptyName));
+    }, "");
+}
+
+TEST(IsDerivedFromDeathTest, DiesOnEmptyBaseName) {
+  ASSERT_DEBUG_DEATH({
+    DeclarationMatcher IsDerivedFromEmpty = cxxRecordDecl(isDerivedFrom(""));
+    EXPECT_TRUE(notMatches("class X {};", IsDerivedFromEmpty));
+  }, "");
+}
+#endif
+
+TEST(ConstructVariadic, MismatchedTypes_Regression) {
+  EXPECT_TRUE(
+      matches("const int a = 0;",
+              internal::DynTypedMatcher::constructVariadic(
+                  internal::DynTypedMatcher::VO_AnyOf,
+                  ast_type_traits::ASTNodeKind::getFromNodeKind<QualType>(),
+                  {isConstQualified(), arrayType()})
+                  .convertTo<QualType>()));
+}
+
+// For testing AST_MATCHER_P().
+AST_MATCHER_P(Decl, just, internal::Matcher<Decl>, AMatcher) {
+  // Make sure all special variables are used: node, match_finder,
+  // bound_nodes_builder, and the parameter named 'AMatcher'.
+  return AMatcher.matches(Node, Finder, Builder);
+}
+
+TEST(AstMatcherPMacro, Works) {
+  DeclarationMatcher HasClassB = just(has(recordDecl(hasName("B")).bind("b")));
+
+  EXPECT_TRUE(matchAndVerifyResultTrue("class A { class B {}; };",
+      HasClassB, llvm::make_unique<VerifyIdIsBoundTo<Decl>>("b")));
+
+  EXPECT_TRUE(matchAndVerifyResultFalse("class A { class B {}; };",
+      HasClassB, llvm::make_unique<VerifyIdIsBoundTo<Decl>>("a")));
+
+  EXPECT_TRUE(matchAndVerifyResultFalse("class A { class C {}; };",
+      HasClassB, llvm::make_unique<VerifyIdIsBoundTo<Decl>>("b")));
+}
+
+AST_POLYMORPHIC_MATCHER_P(polymorphicHas,
+                          AST_POLYMORPHIC_SUPPORTED_TYPES(Decl, Stmt),
+                          internal::Matcher<Decl>, AMatcher) {
+  return Finder->matchesChildOf(
+      Node, AMatcher, Builder,
+      ASTMatchFinder::TK_IgnoreImplicitCastsAndParentheses,
+      ASTMatchFinder::BK_First);
+}
+
+TEST(AstPolymorphicMatcherPMacro, Works) {
+  DeclarationMatcher HasClassB =
+      polymorphicHas(recordDecl(hasName("B")).bind("b"));
+
+  EXPECT_TRUE(matchAndVerifyResultTrue("class A { class B {}; };",
+      HasClassB, llvm::make_unique<VerifyIdIsBoundTo<Decl>>("b")));
+
+  EXPECT_TRUE(matchAndVerifyResultFalse("class A { class B {}; };",
+      HasClassB, llvm::make_unique<VerifyIdIsBoundTo<Decl>>("a")));
+
+  EXPECT_TRUE(matchAndVerifyResultFalse("class A { class C {}; };",
+      HasClassB, llvm::make_unique<VerifyIdIsBoundTo<Decl>>("b")));
+
+  StatementMatcher StatementHasClassB =
+      polymorphicHas(recordDecl(hasName("B")));
+
+  EXPECT_TRUE(matches("void x() { class B {}; }", StatementHasClassB));
+}
+
+TEST(MatchFinder, CheckProfiling) {
+  MatchFinder::MatchFinderOptions Options;
+  llvm::StringMap<llvm::TimeRecord> Records;
+  Options.CheckProfiling.emplace(Records);
+  MatchFinder Finder(std::move(Options));
+
+  struct NamedCallback : public MatchFinder::MatchCallback {
+    void run(const MatchFinder::MatchResult &Result) override {}
+    StringRef getID() const override { return "MyID"; }
+  } Callback;
+  Finder.addMatcher(decl(), &Callback);
+  std::unique_ptr<FrontendActionFactory> Factory(
+      newFrontendActionFactory(&Finder));
+  ASSERT_TRUE(tooling::runToolOnCode(Factory->create(), "int x;"));
+
+  EXPECT_EQ(1u, Records.size());
+  EXPECT_EQ("MyID", Records.begin()->getKey());
+}
+
+class VerifyStartOfTranslationUnit : public MatchFinder::MatchCallback {
+public:
+  VerifyStartOfTranslationUnit() : Called(false) {}
+  void run(const MatchFinder::MatchResult &Result) override {
+    EXPECT_TRUE(Called);
+  }
+  void onStartOfTranslationUnit() override { Called = true; }
+  bool Called;
+};
+
+TEST(MatchFinder, InterceptsStartOfTranslationUnit) {
+  MatchFinder Finder;
+  VerifyStartOfTranslationUnit VerifyCallback;
+  Finder.addMatcher(decl(), &VerifyCallback);
+  std::unique_ptr<FrontendActionFactory> Factory(
+      newFrontendActionFactory(&Finder));
+  ASSERT_TRUE(tooling::runToolOnCode(Factory->create(), "int x;"));
+  EXPECT_TRUE(VerifyCallback.Called);
+
+  VerifyCallback.Called = false;
+  std::unique_ptr<ASTUnit> AST(tooling::buildASTFromCode("int x;"));
+  ASSERT_TRUE(AST.get());
+  Finder.matchAST(AST->getASTContext());
+  EXPECT_TRUE(VerifyCallback.Called);
+}
+
+class VerifyEndOfTranslationUnit : public MatchFinder::MatchCallback {
+public:
+  VerifyEndOfTranslationUnit() : Called(false) {}
+  void run(const MatchFinder::MatchResult &Result) override {
+    EXPECT_FALSE(Called);
+  }
+  void onEndOfTranslationUnit() override { Called = true; }
+  bool Called;
+};
+
+TEST(MatchFinder, InterceptsEndOfTranslationUnit) {
+  MatchFinder Finder;
+  VerifyEndOfTranslationUnit VerifyCallback;
+  Finder.addMatcher(decl(), &VerifyCallback);
+  std::unique_ptr<FrontendActionFactory> Factory(
+      newFrontendActionFactory(&Finder));
+  ASSERT_TRUE(tooling::runToolOnCode(Factory->create(), "int x;"));
+  EXPECT_TRUE(VerifyCallback.Called);
+
+  VerifyCallback.Called = false;
+  std::unique_ptr<ASTUnit> AST(tooling::buildASTFromCode("int x;"));
+  ASSERT_TRUE(AST.get());
+  Finder.matchAST(AST->getASTContext());
+  EXPECT_TRUE(VerifyCallback.Called);
+}
+
+TEST(Matcher, matchOverEntireASTContext) {
+  std::unique_ptr<ASTUnit> AST =
+      clang::tooling::buildASTFromCode("struct { int *foo; };");
+  ASSERT_TRUE(AST.get());
+  auto PT = selectFirst<PointerType>(
+      "x", match(pointerType().bind("x"), AST->getASTContext()));
+  EXPECT_NE(nullptr, PT);
+}
+
+TEST(IsInlineMatcher, IsInline) {
+  EXPECT_TRUE(matches("void g(); inline void f();",
+                      functionDecl(isInline(), hasName("f"))));
+  EXPECT_TRUE(matches("namespace n { inline namespace m {} }",
+                      namespaceDecl(isInline(), hasName("m"))));
+}
+
+// FIXME: Figure out how to specify paths so the following tests pass on
+// Windows.
+#ifndef LLVM_ON_WIN32
+
+TEST(Matcher, IsExpansionInMainFileMatcher) {
+  EXPECT_TRUE(matches("class X {};",
+                      recordDecl(hasName("X"), isExpansionInMainFile())));
+  EXPECT_TRUE(notMatches("", recordDecl(isExpansionInMainFile())));
+  FileContentMappings M;
+  M.push_back(std::make_pair("/other", "class X {};"));
+  EXPECT_TRUE(matchesConditionally("#include <other>\n",
+                                   recordDecl(isExpansionInMainFile()), false,
+                                   "-isystem/", M));
+}
+
+TEST(Matcher, IsExpansionInSystemHeader) {
+  FileContentMappings M;
+  M.push_back(std::make_pair("/other", "class X {};"));
+  EXPECT_TRUE(matchesConditionally(
+      "#include \"other\"\n", recordDecl(isExpansionInSystemHeader()), true,
+      "-isystem/", M));
+  EXPECT_TRUE(matchesConditionally("#include \"other\"\n",
+                                   recordDecl(isExpansionInSystemHeader()),
+                                   false, "-I/", M));
+  EXPECT_TRUE(notMatches("class X {};",
+                         recordDecl(isExpansionInSystemHeader())));
+  EXPECT_TRUE(notMatches("", recordDecl(isExpansionInSystemHeader())));
+}
+
+TEST(Matcher, IsExpansionInFileMatching) {
+  FileContentMappings M;
+  M.push_back(std::make_pair("/foo", "class A {};"));
+  M.push_back(std::make_pair("/bar", "class B {};"));
+  EXPECT_TRUE(matchesConditionally(
+      "#include <foo>\n"
+      "#include <bar>\n"
+      "class X {};",
+      recordDecl(isExpansionInFileMatching("b.*"), hasName("B")), true,
+      "-isystem/", M));
+  EXPECT_TRUE(matchesConditionally(
+      "#include <foo>\n"
+      "#include <bar>\n"
+      "class X {};",
+      recordDecl(isExpansionInFileMatching("f.*"), hasName("X")), false,
+      "-isystem/", M));
+}
+
+#endif // LLVM_ON_WIN32
+
+} // end namespace ast_matchers
+} // end namespace clang