content/common/android/gin_java_bridge_value_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <cmath>
   6
   7 #include "base/basictypes.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "content/common/android/gin_java_bridge_value.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 namespace content {
  13
  14 class GinJavaBridgeValueTest : public testing::Test {
  15 };
  16
  17 TEST_F(GinJavaBridgeValueTest, BasicValues) {
  18   float native_float;
  19   int32 native_object_id;
  20
  21   scoped_ptr<base::BinaryValue> undefined(
  22       GinJavaBridgeValue::CreateUndefinedValue());
  23   ASSERT_TRUE(undefined.get());
  24   EXPECT_TRUE(GinJavaBridgeValue::ContainsGinJavaBridgeValue(undefined.get()));
  25   scoped_ptr<const GinJavaBridgeValue> undefined_value(
  26       GinJavaBridgeValue::FromValue(undefined.get()));
  27   ASSERT_TRUE(undefined_value.get());
  28   EXPECT_TRUE(undefined_value->IsType(GinJavaBridgeValue::TYPE_UNDEFINED));
  29
  30   EXPECT_FALSE(undefined_value->GetAsNonFinite(&native_float));
  31   EXPECT_FALSE(undefined_value->GetAsObjectID(&native_object_id));
  32
  33   scoped_ptr<base::BinaryValue> float_infinity(
  34       GinJavaBridgeValue::CreateNonFiniteValue(
  35           std::numeric_limits<float>::infinity()));
  36   ASSERT_TRUE(float_infinity.get());
  37   EXPECT_TRUE(
  38       GinJavaBridgeValue::ContainsGinJavaBridgeValue(float_infinity.get()));
  39   scoped_ptr<const GinJavaBridgeValue> float_infinity_value(
  40       GinJavaBridgeValue::FromValue(float_infinity.get()));
  41   ASSERT_TRUE(float_infinity_value.get());
  42   EXPECT_TRUE(float_infinity_value->IsType(GinJavaBridgeValue::TYPE_NONFINITE));
  43   EXPECT_TRUE(float_infinity_value->GetAsNonFinite(&native_float));
  44   EXPECT_TRUE(std::isinf(native_float));
  45
  46   EXPECT_FALSE(undefined_value->GetAsObjectID(&native_object_id));
  47
  48   scoped_ptr<base::BinaryValue> double_infinity(
  49       GinJavaBridgeValue::CreateNonFiniteValue(
  50           std::numeric_limits<double>::infinity()));
  51   ASSERT_TRUE(double_infinity.get());
  52   EXPECT_TRUE(
  53       GinJavaBridgeValue::ContainsGinJavaBridgeValue(double_infinity.get()));
  54   scoped_ptr<const GinJavaBridgeValue> double_infinity_value(
  55       GinJavaBridgeValue::FromValue(double_infinity.get()));
  56   ASSERT_TRUE(double_infinity_value.get());
  57   EXPECT_TRUE(
  58       double_infinity_value->IsType(GinJavaBridgeValue::TYPE_NONFINITE));
  59   EXPECT_TRUE(double_infinity_value->GetAsNonFinite(&native_float));
  60   EXPECT_TRUE(std::isinf(native_float));
  61
  62   EXPECT_FALSE(undefined_value->GetAsObjectID(&native_object_id));
  63
  64   scoped_ptr<base::BinaryValue> object_id(
  65       GinJavaBridgeValue::CreateObjectIDValue(42));
  66   ASSERT_TRUE(object_id.get());
  67   EXPECT_TRUE(GinJavaBridgeValue::ContainsGinJavaBridgeValue(object_id.get()));
  68   scoped_ptr<const GinJavaBridgeValue> object_id_value(
  69       GinJavaBridgeValue::FromValue(object_id.get()));
  70   ASSERT_TRUE(object_id_value.get());
  71   EXPECT_TRUE(object_id_value->IsType(GinJavaBridgeValue::TYPE_OBJECT_ID));
  72   EXPECT_TRUE(object_id_value->GetAsObjectID(&native_object_id));
  73   EXPECT_EQ(42, native_object_id);
  74
  75   EXPECT_FALSE(undefined_value->GetAsNonFinite(&native_float));
  76 }
  77
  78 TEST_F(GinJavaBridgeValueTest, BrokenValues) {
  79   scoped_ptr<base::Value> non_binary(new base::FundamentalValue(42));
  80   EXPECT_FALSE(
  81       GinJavaBridgeValue::ContainsGinJavaBridgeValue(non_binary.get()));
  82
  83   const char dummy_data[] = "\000\001\002\003\004\005\006\007\010\011\012\013";
  84   scoped_ptr<base::BinaryValue> broken_binary(
  85       base::BinaryValue::CreateWithCopiedBuffer(dummy_data,
  86                                                 sizeof(dummy_data)));
  87   EXPECT_FALSE(
  88       GinJavaBridgeValue::ContainsGinJavaBridgeValue(broken_binary.get()));
  89 }
  90
  91 }  // namespace