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.
5 #include "mojo/public/cpp/bindings/lib/fixed_buffer.h"
6 #include "mojo/public/interfaces/bindings/tests/test_structs.mojom.h"
7 #include "testing/gtest/include/gtest/gtest.h"
13 RectPtr MakeRect(int32_t factor = 1) {
14 RectPtr rect(Rect::New());
17 rect->width = 10 * factor;
18 rect->height = 20 * factor;
22 void CheckRect(const Rect& rect, int32_t factor = 1) {
23 EXPECT_EQ(1 * factor, rect.x);
24 EXPECT_EQ(2 * factor, rect.y);
25 EXPECT_EQ(10 * factor, rect.width);
26 EXPECT_EQ(20 * factor, rect.height);
31 TEST(StructTest, Rect) {
33 EXPECT_TRUE(rect.is_null());
38 EXPECT_FALSE(rect.is_null());
45 // Serialization test of a struct with no pointer or handle members.
46 TEST(StructTest, Serialization_Basic) {
47 RectPtr rect(MakeRect());
49 size_t size = GetSerializedSize_(rect);
50 EXPECT_EQ(8U + 16U, size);
52 mojo::internal::FixedBuffer buf(size);
53 internal::Rect_Data* data;
54 Serialize_(rect.Pass(), &buf, &data);
57 Deserialize_(data, &rect2);
62 // Serialization test of a struct with struct pointers.
63 TEST(StructTest, Serialization_StructPointers) {
64 RectPairPtr pair(RectPair::New());
65 pair->first = MakeRect();
66 pair->second = MakeRect();
68 size_t size = GetSerializedSize_(pair);
69 EXPECT_EQ(8U + 16U + 2*(8U + 16U), size);
71 mojo::internal::FixedBuffer buf(size);
72 internal::RectPair_Data* data;
73 Serialize_(pair.Pass(), &buf, &data);
76 Deserialize_(data, &pair2);
78 CheckRect(*pair2->first);
79 CheckRect(*pair2->second);
82 // Serialization test of a struct with an array member.
83 TEST(StructTest, Serialization_ArrayPointers) {
84 NamedRegionPtr region(NamedRegion::New());
85 region->name = "region";
86 region->rects = Array<RectPtr>::New(4);
87 for (size_t i = 0; i < region->rects.size(); ++i)
88 region->rects[i] = MakeRect(static_cast<int32_t>(i) + 1);
90 size_t size = GetSerializedSize_(region);
91 EXPECT_EQ(8U + // header
95 8U + // name payload (rounded up)
97 4*8U + // rects payload (four pointers)
98 4*(8U + // rect header
99 16U), // rect payload (four ints)
102 mojo::internal::FixedBuffer buf(size);
103 internal::NamedRegion_Data* data;
104 Serialize_(region.Pass(), &buf, &data);
106 NamedRegionPtr region2;
107 Deserialize_(data, ®ion2);
109 EXPECT_EQ(String("region"), region2->name);
111 EXPECT_EQ(4U, region2->rects.size());
112 for (size_t i = 0; i < region2->rects.size(); ++i)
113 CheckRect(*region2->rects[i], static_cast<int32_t>(i) + 1);
116 // Serialization test of a struct with null array pointers.
117 TEST(StructTest, Serialization_NullArrayPointers) {
118 NamedRegionPtr region(NamedRegion::New());
119 EXPECT_TRUE(region->name.is_null());
120 EXPECT_TRUE(region->rects.is_null());
122 size_t size = GetSerializedSize_(region);
123 EXPECT_EQ(8U + // header
128 mojo::internal::FixedBuffer buf(size);
129 internal::NamedRegion_Data* data;
130 Serialize_(region.Pass(), &buf, &data);
132 NamedRegionPtr region2;
133 Deserialize_(data, ®ion2);
135 EXPECT_TRUE(region2->name.is_null());
136 EXPECT_TRUE(region2->rects.is_null());