1 // Copyright 2013 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 "mojo/public/cpp/environment/environment.h" 6 #include "mojo/public/interfaces/bindings/tests/test_structs.mojom.h" 7 #include "testing/gtest/include/gtest/gtest.h" 8 9 namespace mojo { 10 namespace { 11 12 struct RedmondRect { 13 int32_t left; 14 int32_t top; 15 int32_t right; 16 int32_t bottom; 17 }; 18 19 struct RedmondNamedRegion { 20 std::string name; 21 std::vector<RedmondRect> rects; 22 }; 23 24 bool AreEqualRectArrays(const Array<test::RectPtr>& rects1, 25 const Array<test::RectPtr>& rects2) { 26 if (rects1.size() != rects2.size()) 27 return false; 28 29 for (size_t i = 0; i < rects1.size(); ++i) { 30 if (rects1[i]->x != rects2[i]->x || 31 rects1[i]->y != rects2[i]->y || 32 rects1[i]->width != rects2[i]->width || 33 rects1[i]->height != rects2[i]->height) { 34 return false; 35 } 36 } 37 38 return true; 39 } 40 41 } // namespace 42 43 template <> 44 class TypeConverter<test::RectPtr, RedmondRect> { 45 public: 46 static test::RectPtr ConvertFrom(const RedmondRect& input) { 47 test::RectPtr rect(test::Rect::New()); 48 rect->x = input.left; 49 rect->y = input.top; 50 rect->width = input.right - input.left; 51 rect->height = input.bottom - input.top; 52 return rect.Pass(); 53 } 54 static RedmondRect ConvertTo(const test::RectPtr& input) { 55 RedmondRect rect; 56 rect.left = input->x; 57 rect.top = input->y; 58 rect.right = input->x + input->width; 59 rect.bottom = input->y + input->height; 60 return rect; 61 } 62 }; 63 64 template <> 65 class TypeConverter<test::NamedRegionPtr, RedmondNamedRegion> { 66 public: 67 static test::NamedRegionPtr ConvertFrom(const RedmondNamedRegion& input) { 68 test::NamedRegionPtr region(test::NamedRegion::New()); 69 region->name = input.name; 70 region->rects = Array<test::RectPtr>::From(input.rects); 71 return region.Pass(); 72 } 73 static RedmondNamedRegion ConvertTo(const test::NamedRegionPtr& input) { 74 RedmondNamedRegion region; 75 region.name = input->name; 76 region.rects = input->rects.To<std::vector<RedmondRect> >(); 77 return region; 78 } 79 }; 80 81 namespace test { 82 namespace { 83 84 TEST(TypeConversionTest, String) { 85 const char kText[6] = "hello"; 86 87 String a = std::string(kText); 88 String b(kText); 89 String c(static_cast<const char*>(kText)); 90 91 EXPECT_EQ(std::string(kText), a.To<std::string>()); 92 EXPECT_EQ(std::string(kText), b.To<std::string>()); 93 EXPECT_EQ(std::string(kText), c.To<std::string>()); 94 } 95 96 TEST(TypeConversionTest, String_Null) { 97 String a; 98 EXPECT_TRUE(a.is_null()); 99 EXPECT_EQ(std::string(), a.To<std::string>()); 100 101 String b = String::From(static_cast<const char*>(NULL)); 102 EXPECT_TRUE(b.is_null()); 103 } 104 105 TEST(TypeConversionTest, String_Empty) { 106 String a = ""; 107 EXPECT_EQ(std::string(), a.To<std::string>()); 108 109 String b = std::string(); 110 EXPECT_FALSE(b.is_null()); 111 EXPECT_EQ(std::string(), b.To<std::string>()); 112 } 113 114 TEST(TypeConversionTest, StringWithEmbeddedNull) { 115 const std::string kText("hel\0lo", 6); 116 117 String a(kText); 118 EXPECT_EQ(kText, a.To<std::string>()); 119 120 // Expect truncation: 121 String b(kText.c_str()); 122 EXPECT_EQ(std::string("hel"), b.To<std::string>()); 123 } 124 125 TEST(TypeConversionTest, CustomTypeConverter) { 126 RectPtr rect(Rect::New()); 127 rect->x = 10; 128 rect->y = 20; 129 rect->width = 50; 130 rect->height = 45; 131 132 RedmondRect rr = rect.To<RedmondRect>(); 133 EXPECT_EQ(10, rr.left); 134 EXPECT_EQ(20, rr.top); 135 EXPECT_EQ(60, rr.right); 136 EXPECT_EQ(65, rr.bottom); 137 138 RectPtr rect2(Rect::From(rr)); 139 EXPECT_EQ(rect->x, rect2->x); 140 EXPECT_EQ(rect->y, rect2->y); 141 EXPECT_EQ(rect->width, rect2->width); 142 EXPECT_EQ(rect->height, rect2->height); 143 } 144 145 TEST(TypeConversionTest, CustomTypeConverter_Array_Null) { 146 Array<RectPtr> rects; 147 148 std::vector<RedmondRect> redmond_rects = 149 rects.To<std::vector<RedmondRect> >(); 150 151 EXPECT_TRUE(redmond_rects.empty()); 152 } 153 154 TEST(TypeConversionTest, CustomTypeConverter_Array) { 155 const RedmondRect kBase = { 10, 20, 30, 40 }; 156 157 Array<RectPtr> rects(10); 158 for (size_t i = 0; i < rects.size(); ++i) { 159 RedmondRect rr = kBase; 160 rr.left += static_cast<int32_t>(i); 161 rr.top += static_cast<int32_t>(i); 162 rects[i] = Rect::From(rr); 163 } 164 165 std::vector<RedmondRect> redmond_rects = 166 rects.To<std::vector<RedmondRect> >(); 167 168 Array<RectPtr> rects2 = Array<RectPtr>::From(redmond_rects); 169 EXPECT_TRUE(AreEqualRectArrays(rects, rects2)); 170 } 171 172 TEST(TypeConversionTest, CustomTypeConverter_Nested) { 173 RedmondNamedRegion redmond_region; 174 redmond_region.name = "foopy"; 175 176 const RedmondRect kBase = { 10, 20, 30, 40 }; 177 178 for (size_t i = 0; i < 10; ++i) { 179 RedmondRect rect = kBase; 180 rect.left += static_cast<int32_t>(i); 181 rect.top += static_cast<int32_t>(i); 182 redmond_region.rects.push_back(rect); 183 } 184 185 // Round-trip through generated struct and TypeConverter. 186 187 NamedRegionPtr copy = NamedRegion::From(redmond_region); 188 RedmondNamedRegion redmond_region2 = copy.To<RedmondNamedRegion>(); 189 190 EXPECT_EQ(redmond_region.name, redmond_region2.name); 191 EXPECT_EQ(redmond_region.rects.size(), redmond_region2.rects.size()); 192 for (size_t i = 0; i < redmond_region.rects.size(); ++i) { 193 EXPECT_EQ(redmond_region.rects[i].left, redmond_region2.rects[i].left); 194 EXPECT_EQ(redmond_region.rects[i].top, redmond_region2.rects[i].top); 195 EXPECT_EQ(redmond_region.rects[i].right, redmond_region2.rects[i].right); 196 EXPECT_EQ(redmond_region.rects[i].bottom, redmond_region2.rects[i].bottom); 197 } 198 } 199 200 } // namespace 201 } // namespace test 202 } // namespace mojo 203