Add Query() support to FileRef

ppapi/tests/test_file_ref.cc

Index: ppapi/tests/test_file_ref.cc
diff --git a/ppapi/tests/test_file_ref.cc b/ppapi/tests/test_file_ref.cc
index 3c91f18276fa82df29e3a10c188ab97539d6fb11..1596938a8958c6523f3199013406af3b51339a11 100644
--- a/ppapi/tests/test_file_ref.cc
+++ b/ppapi/tests/test_file_ref.cc
@@ -59,6 +59,7 @@ void TestFileRef::RunTests(const std::string& filter) {
   RUN_TEST_FORCEASYNC_AND_NOT(QueryAndTouchFile, filter);
   RUN_TEST_FORCEASYNC_AND_NOT(DeleteFileAndDirectory, filter);
   RUN_TEST_FORCEASYNC_AND_NOT(RenameFileAndDirectory, filter);
+  RUN_TEST_FORCEASYNC_AND_NOT(Query, filter);
 #ifndef PPAPI_OS_NACL  // NaCl can't run this test yet.
   RUN_TEST_FORCEASYNC_AND_NOT(FileNameEscaping, filter);
 #endif
@@ -682,6 +683,49 @@ std::string TestFileRef::TestRenameFileAndDirectory() {
   PASS();
 }
 
+std::string TestFileRef::TestQuery() {
+  TestCompletionCallback callback(instance_->pp_instance(), callback_type());
+
+  pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
+  callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
+  CHECK_CALLBACK_BEHAVIOR(callback);
+  ASSERT_EQ(PP_OK, callback.result());
+
+  pp::FileRef file_ref(file_system, "/file");
+  pp::FileIO file_io(instance_);
+  callback.WaitForResult(file_io.Open(file_ref, PP_FILEOPENFLAG_CREATE,
+                                      callback.GetCallback()));
+  CHECK_CALLBACK_BEHAVIOR(callback);
+  ASSERT_EQ(PP_OK, callback.result());
+
+  // We touch the file so we can easily check access and modified time.
+  callback.WaitForResult(file_io.Touch(0, 0, callback.GetCallback()));
+  CHECK_CALLBACK_BEHAVIOR(callback);
+  ASSERT_EQ(PP_OK, callback.result());
+
+  TestCompletionCallbackWithOutput<PP_FileInfo> out_callback(
+      instance_->pp_instance(), callback_type());
+  out_callback.WaitForResult(file_ref.Query(
+      out_callback.GetCallbackWithOutput()));
+  CHECK_CALLBACK_BEHAVIOR(out_callback);
+  ASSERT_EQ(PP_OK, out_callback.result());
+
+  PP_FileInfo info = out_callback.output();
+  ASSERT_EQ(0, info.size);
+  ASSERT_EQ(PP_FILETYPE_REGULAR, info.type);
+  ASSERT_EQ(PP_FILESYSTEMTYPE_LOCALTEMPORARY, info.system_type);
+  ASSERT_DOUBLE_EQ(0.0, info.last_access_time);
+  ASSERT_DOUBLE_EQ(0.0, info.last_modified_time);
+
+  pp::FileRef missing_file_ref(file_system, "/missing_file");
+  out_callback.WaitForResult(missing_file_ref.Query(
+      out_callback.GetCallbackWithOutput()));
+  CHECK_CALLBACK_BEHAVIOR(out_callback);
+  ASSERT_EQ(PP_ERROR_FILENOTFOUND, out_callback.result());
+
+  PASS();
+}
+
 #ifndef PPAPI_OS_NACL
 std::string TestFileRef::TestFileNameEscaping() {
   TestCompletionCallback callback(instance_->pp_instance(), force_async_);