From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 clang/unittests/Frontend/FrontendActionTest.cpp | 74 +++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 clang/unittests/Frontend/FrontendActionTest.cpp

(limited to 'clang/unittests/Frontend/FrontendActionTest.cpp')

diff --git a/clang/unittests/Frontend/FrontendActionTest.cpp b/clang/unittests/Frontend/FrontendActionTest.cpp
new file mode 100644
index 0000000..2d4befc
--- /dev/null
+++ b/clang/unittests/Frontend/FrontendActionTest.cpp
@@ -0,0 +1,74 @@
+//===- unittests/Frontend/FrontendActionTest.cpp - FrontendAction tests ---===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/AST/RecursiveASTVisitor.h"
+#include "clang/AST/ASTConsumer.h"
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/CompilerInvocation.h"
+#include "clang/Frontend/FrontendAction.h"
+
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/MemoryBuffer.h"
+
+#include "gtest/gtest.h"
+
+using namespace llvm;
+using namespace clang;
+
+namespace {
+
+class TestASTFrontendAction : public ASTFrontendAction {
+public:
+  std::vector<std::string> decl_names;
+
+  virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
+                                         StringRef InFile) {
+    return new Visitor(decl_names);
+  }
+
+private:
+  class Visitor : public ASTConsumer, public RecursiveASTVisitor<Visitor> {
+  public:
+    Visitor(std::vector<std::string> &decl_names) : decl_names_(decl_names) {}
+
+    virtual void HandleTranslationUnit(ASTContext &context) {
+      TraverseDecl(context.getTranslationUnitDecl());
+    }
+
+    virtual bool VisitNamedDecl(NamedDecl *Decl) {
+      decl_names_.push_back(Decl->getQualifiedNameAsString());
+      return true;
+    }
+
+  private:
+    std::vector<std::string> &decl_names_;
+  };
+};
+
+TEST(ASTFrontendAction, Sanity) {
+  CompilerInvocation *invocation = new CompilerInvocation;
+  invocation->getPreprocessorOpts().addRemappedFile(
+    "test.cc", MemoryBuffer::getMemBuffer("int main() { float x; }"));
+  invocation->getFrontendOpts().Inputs.push_back(FrontendInputFile("test.cc",
+                                                                   IK_CXX));
+  invocation->getFrontendOpts().ProgramAction = frontend::ParseSyntaxOnly;
+  invocation->getTargetOpts().Triple = "i386-unknown-linux-gnu";
+  CompilerInstance compiler;
+  compiler.setInvocation(invocation);
+  compiler.createDiagnostics(0, NULL);
+
+  TestASTFrontendAction test_action;
+  ASSERT_TRUE(compiler.ExecuteAction(test_action));
+  ASSERT_EQ(3U, test_action.decl_names.size());
+  EXPECT_EQ("__builtin_va_list", test_action.decl_names[0]);
+  EXPECT_EQ("main", test_action.decl_names[1]);
+  EXPECT_EQ("x", test_action.decl_names[2]);
+}
+
+} // anonymous namespace
-- 
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