Add ByteArray interface and provide internal and external implementations.

runtime/vm/dart_api_impl_test.cc

 // Copyright (c) 2012, 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 "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/thread.h"
@@ skipping 597 matching lines @@
   EXPECT_EQ(30, value);
 
   // Check if we get an exception when accessing beyond limit.
   result = Dart_ListGetAt(ListAccessTestObj, 4);
   EXPECT(Dart_IsError(result));
 }
 
 #endif
 
 
+TEST_CASE(ByteArray) {
+  Dart_Handle obj1 = Dart_NewByteArray(10);
+  EXPECT_VALID(obj1);
+  EXPECT(Dart_IsByteArray(obj1));
+  EXPECT(Dart_IsList(obj1));
+
+  intptr_t length = 0;
+  Dart_Handle result = Dart_ListLength(obj1, &length);
+  EXPECT_VALID(result);
+  EXPECT_EQ(10, length);
+
+  result = Dart_ListSetAt(obj1, -1, Dart_NewInteger(1));
+  EXPECT(Dart_IsError(result));
+  result = Dart_ListSetAt(obj1, 10, Dart_NewInteger(1));
+  EXPECT(Dart_IsError(result));
+
+  for (intptr_t i = 0; i < 10; ++i) {
+    result = Dart_ListSetAt(obj1, i, Dart_NewInteger(i + 1));
+    EXPECT_VALID(result);
+  }
+
+  for (intptr_t i = 0; i < 10; ++i) {
+    result = Dart_ListGetAt(obj1, i);
+    EXPECT_VALID(result);
+    int64_t value = 0;
+    result = Dart_IntegerToInt64(result, &value);
+    EXPECT_VALID(result);
+    EXPECT_EQ(i + 1, value);
+  }
+
+  Dart_Handle obj2 = Dart_NewByteArray(10);
+  bool is_equal = false;
+  Dart_ObjectEquals(obj1, obj2, &is_equal);
+  EXPECT(!is_equal);
+
+  for (intptr_t i = 0; i < 10; ++i) {
+    result = Dart_ListSetAt(obj2, i, Dart_NewInteger(i + 1));
+    EXPECT_VALID(result);
+  }
+  is_equal = false;
+  Dart_ObjectEquals(obj1, obj2, &is_equal);
+  EXPECT(!is_equal);
+
+  for (intptr_t i = 0; i < 10; ++i) {
+    Dart_Handle e1 = Dart_ListGetAt(obj1, i);
+    Dart_Handle e2 = Dart_ListGetAt(obj2, i);
+    is_equal = false;
+    Dart_ObjectEquals(e1, e2, &is_equal);
+    EXPECT(is_equal);
+  }
+}
+
+
 // Unit test for entering a scope, creating a local handle and exiting
 // the scope.
 UNIT_TEST_CASE(EnterExitScope) {
   TestIsolateScope __test_isolate__;
 
   Isolate* isolate = Isolate::Current();
   EXPECT(isolate != NULL);
   ApiState* state = isolate->api_state();
   EXPECT(state != NULL);
   ApiLocalScope* scope = state->top_scope();
@@ skipping 2381 matching lines @@
   // We should have received the expected number of interrupts.
   EXPECT_EQ(kInterruptCount, interrupt_count);
 
   // Give the spawned thread enough time to properly exit.
   Isolate::SetInterruptCallback(saved);
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart