Allow printf-style arguments for Dart_Error and Api::Error.

runtime/vm/dart_api_impl_test.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "include/dart_api.h"
 
 #include "vm/assert.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/unit_test.h"
 #include "vm/utils.h"
 #include "vm/verifier.h"
 
 namespace dart {
 
+UNIT_TEST_CASE(Dart_Error) {
+  Dart_CreateIsolate(NULL, NULL);
+  Dart_EnterScope();
+
+  Dart_Handle error = Dart_Error("An %s", "error");
+  EXPECT(!Dart_IsValid(error));
+  EXPECT_STREQ("An error", Dart_GetError(error));
+
+  Dart_ExitScope();
+  Dart_ShutdownIsolate();
+}
+
+
 UNIT_TEST_CASE(Null) {
   Dart_CreateIsolate(NULL, NULL);
   Dart_EnterScope();  // Enter a Dart API scope for the unit test.
 
   Dart_Handle null = Dart_Null();
   EXPECT_VALID(null);
   EXPECT(Dart_IsNull(null));
 
   Dart_Handle str = Dart_NewString("test");
   EXPECT_VALID(str);
@@ skipping 1518 matching lines @@
     result = Dart_IntegerValue(result, &value);
     EXPECT_VALID(result);
     EXPECT_EQ(3, value);
 
     Dart_ExitScope();
   }
   Dart_ShutdownIsolate();
 }
 
 
+UNIT_TEST_CASE(GetClass) {
+  const char* kScriptChars =
+      "class DoesExist {"
+      "}";
+
+  Dart_CreateIsolate(NULL, NULL);
+  Dart_EnterScope();
+  Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
+
+  // Lookup a class that does exist.
+  Dart_Handle cls = Dart_GetClass(lib, Dart_NewString("DoesExist"));
+  EXPECT_VALID(cls);
+
+  // Lookup a class that does not exist.
+  cls = Dart_GetClass(lib, Dart_NewString("DoesNotExist"));
+  EXPECT(!Dart_IsValid(cls));
+  EXPECT_STREQ("Class 'DoesNotExist' not found in library 'dart:test-lib'.",
+               Dart_GetError(cls));
+
+  Dart_ExitScope();
+  Dart_ShutdownIsolate();
+}
+
+
 UNIT_TEST_CASE(InstanceOf) {
   const char* kScriptChars =
       "class OtherClass {\n"
       "  static returnNull() { return null; }\n"
       "}\n"
       "class InstanceOfTest {\n"
       "  InstanceOfTest() {}\n"
       "  static InstanceOfTest testMain() {\n"
       "    return new InstanceOfTest();\n"
       "  }\n"
@@ skipping 373 matching lines @@
                                NULL);
     EXPECT_VALID(result);
 
     Dart_ExitScope();  // Exit the Dart API scope.
   }
   Dart_ShutdownIsolate();
 }
 #endif  // TARGET_ARCH_IA32.
 
 }  // namespace dart