Vendor import of clang trunk r161861:

http://llvm.org/svn/llvm-project/cfe/trunk@161861

1 files changed, 58 insertions, 0 deletions

diff --git a/unittests/Tooling/CompilationDatabaseTest.cpp b/unittests/Tooling/CompilationDatabaseTest.cpp
index 68d2896..591d48d 100644
--- a/unittests/Tooling/CompilationDatabaseTest.cpp
+++ b/unittests/Tooling/CompilationDatabaseTest.cpp
@@ -18,6 +18,55 @@
 namespace clang {
 namespace tooling {
 
+static void expectFailure(StringRef JSONDatabase, StringRef Explanation) {
+  std::string ErrorMessage;
+  EXPECT_EQ(NULL, JSONCompilationDatabase::loadFromBuffer(JSONDatabase,
+                                                          ErrorMessage))
+    << "Expected an error because of: " << Explanation;
+}
+
+TEST(JSONCompilationDatabase, ErrsOnInvalidFormat) {
+  expectFailure("", "Empty database");
+  expectFailure("{", "Invalid JSON");
+  expectFailure("[[]]", "Array instead of object");
+  expectFailure("[{\"a\":[]}]", "Array instead of value");
+  expectFailure("[{\"a\":\"b\"}]", "Unknown key");
+  expectFailure("[{[]:\"\"}]", "Incorrectly typed entry");
+  expectFailure("[{}]", "Empty entry");
+  expectFailure("[{\"directory\":\"\",\"command\":\"\"}]", "Missing file");
+  expectFailure("[{\"directory\":\"\",\"file\":\"\"}]", "Missing command");
+  expectFailure("[{\"command\":\"\",\"file\":\"\"}]", "Missing directory");
+}
+
+static std::vector<std::string> getAllFiles(StringRef JSONDatabase,
+                                            std::string &ErrorMessage) {
+  llvm::OwningPtr<CompilationDatabase> Database(
+      JSONCompilationDatabase::loadFromBuffer(JSONDatabase, ErrorMessage));
+  if (!Database) {
+    ADD_FAILURE() << ErrorMessage;
+    return std::vector<std::string>();
+  }
+  return Database->getAllFiles();
+}
+
+TEST(JSONCompilationDatabase, GetAllFiles) {
+  std::string ErrorMessage;
+  EXPECT_EQ(std::vector<std::string>(),
+            getAllFiles("[]", ErrorMessage)) << ErrorMessage;
+
+  std::vector<std::string> expected_files;
+  expected_files.push_back("file1");
+  expected_files.push_back("file2");
+  EXPECT_EQ(expected_files, getAllFiles(
+    "[{\"directory\":\"dir\","
+      "\"command\":\"command\","
+      "\"file\":\"file1\"},"
+    " {\"directory\":\"dir\","
+      "\"command\":\"command\","
+      "\"file\":\"file2\"}]",
+    ErrorMessage)) << ErrorMessage;
+}
+
 static CompileCommand findCompileArgsInJsonDatabase(StringRef FileName,
                                                     StringRef JSONDatabase,
                                                     std::string &ErrorMessage) {
@@ -235,6 +284,15 @@ TEST(FixedCompilationDatabase, ReturnsFixedCommandLine) {
   EXPECT_EQ(ExpectedCommandLine, Result[0].CommandLine);
 }
 
+TEST(FixedCompilationDatabase, GetAllFiles) {
+  std::vector<std::string> CommandLine;
+  CommandLine.push_back("one");
+  CommandLine.push_back("two");
+  FixedCompilationDatabase Database(".", CommandLine);
+
+  EXPECT_EQ(0ul, Database.getAllFiles().size());
+}
+
 TEST(ParseFixedCompilationDatabase, ReturnsNullOnEmptyArgumentList) {
   int Argc = 0;
   llvm::OwningPtr<FixedCompilationDatabase> Database(