[Android] Add GinJavaBridgeValue for Gin Java Bridge

content/common/android/gin_java_bridge_value_unittest.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/basictypes.h"
+#include "base/float_util.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/common/android/gin_java_bridge_value.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+class GinJavaBridgeValueTest : public testing::Test {
+};
+
+TEST_F(GinJavaBridgeValueTest, BasicValues) {
+  float native_float;
+  int32 native_object_id;
+
+  scoped_ptr<base::BinaryValue> undefined(
+      GinJavaBridgeValue::CreateUndefinedValue());
+  ASSERT_TRUE(undefined.get());
+  EXPECT_TRUE(GinJavaBridgeValue::ContainsGinJavaBridgeValue(undefined.get()));
+  scoped_ptr<const GinJavaBridgeValue> undefined_value(
+      GinJavaBridgeValue::FromValue(undefined.get()));
+  ASSERT_TRUE(undefined_value.get());
+  EXPECT_TRUE(undefined_value->IsType(GinJavaBridgeValue::TYPE_UNDEFINED));
+
+  EXPECT_FALSE(undefined_value->GetAsNonFinite(&native_float));
+  EXPECT_FALSE(undefined_value->GetAsObjectID(&native_object_id));
+
+  scoped_ptr<base::BinaryValue> float_infinity(
+      GinJavaBridgeValue::CreateNonFiniteValue(
+          std::numeric_limits<float>::infinity()));
+  ASSERT_TRUE(float_infinity.get());
+  EXPECT_TRUE(
+      GinJavaBridgeValue::ContainsGinJavaBridgeValue(float_infinity.get()));
+  scoped_ptr<const GinJavaBridgeValue> float_infinity_value(
+      GinJavaBridgeValue::FromValue(float_infinity.get()));
+  ASSERT_TRUE(float_infinity_value.get());
+  EXPECT_TRUE(float_infinity_value->IsType(GinJavaBridgeValue::TYPE_NONFINITE));
+  EXPECT_TRUE(float_infinity_value->GetAsNonFinite(&native_float));
+  EXPECT_FALSE(base::IsFinite(native_float));
+  EXPECT_FALSE(base::IsNaN(native_float));
+
+  EXPECT_FALSE(undefined_value->GetAsObjectID(&native_object_id));
+
+  scoped_ptr<base::BinaryValue> double_infinity(
+      GinJavaBridgeValue::CreateNonFiniteValue(
+          std::numeric_limits<double>::infinity()));
+  ASSERT_TRUE(double_infinity.get());
+  EXPECT_TRUE(
+      GinJavaBridgeValue::ContainsGinJavaBridgeValue(double_infinity.get()));
+  scoped_ptr<const GinJavaBridgeValue> double_infinity_value(
+      GinJavaBridgeValue::FromValue(double_infinity.get()));
+  ASSERT_TRUE(double_infinity_value.get());
+  EXPECT_TRUE(
+      double_infinity_value->IsType(GinJavaBridgeValue::TYPE_NONFINITE));
+  EXPECT_TRUE(double_infinity_value->GetAsNonFinite(&native_float));
+  EXPECT_FALSE(base::IsFinite(native_float));
+  EXPECT_FALSE(base::IsNaN(native_float));
+
+  EXPECT_FALSE(undefined_value->GetAsObjectID(&native_object_id));
+
+  scoped_ptr<base::BinaryValue> object_id(
+      GinJavaBridgeValue::CreateObjectIDValue(42));
+  ASSERT_TRUE(object_id.get());
+  EXPECT_TRUE(GinJavaBridgeValue::ContainsGinJavaBridgeValue(object_id.get()));
+  scoped_ptr<const GinJavaBridgeValue> object_id_value(
+      GinJavaBridgeValue::FromValue(object_id.get()));
+  ASSERT_TRUE(object_id_value.get());
+  EXPECT_TRUE(object_id_value->IsType(GinJavaBridgeValue::TYPE_OBJECT_ID));
+  EXPECT_TRUE(object_id_value->GetAsObjectID(&native_object_id));
+  EXPECT_EQ(42, native_object_id);
+
+  EXPECT_FALSE(undefined_value->GetAsNonFinite(&native_float));
+}
+
+TEST_F(GinJavaBridgeValueTest, BrokenValues) {
+  scoped_ptr<base::Value> non_binary(new base::FundamentalValue(42));
+  EXPECT_FALSE(
+      GinJavaBridgeValue::ContainsGinJavaBridgeValue(non_binary.get()));
+
+  const char dummy_data[] = "\000\001\002\003\004\005\006\007\010\011\012\013";
+  scoped_ptr<base::BinaryValue> broken_binary(
+      base::BinaryValue::CreateWithCopiedBuffer(dummy_data,
+                                                sizeof(dummy_data)));
+  EXPECT_FALSE(
+      GinJavaBridgeValue::ContainsGinJavaBridgeValue(broken_binary.get()));
+}
+
+}  // namespace