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// Copyright 2013 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 <stddef.h>
#include <stdint.h>
#include "mojo/public/interfaces/bindings/tests/test_structs.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo {
namespace {
struct RedmondRect {
int32_t left;
int32_t top;
int32_t right;
int32_t bottom;
};
struct RedmondNamedRegion {
std::string name;
std::vector<RedmondRect> rects;
};
bool AreEqualRectArrays(const Array<test::RectPtr>& rects1,
const Array<test::RectPtr>& rects2) {
if (rects1.size() != rects2.size())
return false;
for (size_t i = 0; i < rects1.size(); ++i) {
if (rects1[i]->x != rects2[i]->x || rects1[i]->y != rects2[i]->y ||
rects1[i]->width != rects2[i]->width ||
rects1[i]->height != rects2[i]->height) {
return false;
}
}
return true;
}
} // namespace
template <>
struct TypeConverter<test::RectPtr, RedmondRect> {
static test::RectPtr Convert(const RedmondRect& input) {
test::RectPtr rect(test::Rect::New());
rect->x = input.left;
rect->y = input.top;
rect->width = input.right - input.left;
rect->height = input.bottom - input.top;
return rect;
}
};
template <>
struct TypeConverter<RedmondRect, test::RectPtr> {
static RedmondRect Convert(const test::RectPtr& input) {
RedmondRect rect;
rect.left = input->x;
rect.top = input->y;
rect.right = input->x + input->width;
rect.bottom = input->y + input->height;
return rect;
}
};
template <>
struct TypeConverter<test::NamedRegionPtr, RedmondNamedRegion> {
static test::NamedRegionPtr Convert(const RedmondNamedRegion& input) {
test::NamedRegionPtr region(test::NamedRegion::New());
region->name.emplace(input.name);
region->rects = Array<test::RectPtr>::From(input.rects).PassStorage();
return region;
}
};
template <>
struct TypeConverter<RedmondNamedRegion, test::NamedRegionPtr> {
static RedmondNamedRegion Convert(const test::NamedRegionPtr& input) {
RedmondNamedRegion region;
if (input->name)
region.name = input->name.value();
if (input->rects) {
region.rects.reserve(input->rects->size());
for (const auto& element : *input->rects)
region.rects.push_back(element.To<RedmondRect>());
}
return region;
}
};
namespace test {
namespace {
TEST(TypeConversionTest, String) {
const char kText[6] = "hello";
String a = std::string(kText);
String b(kText);
String c(static_cast<const char*>(kText));
EXPECT_EQ(std::string(kText), a.To<std::string>());
EXPECT_EQ(std::string(kText), b.To<std::string>());
EXPECT_EQ(std::string(kText), c.To<std::string>());
}
TEST(TypeConversionTest, String_Null) {
String a(nullptr);
EXPECT_TRUE(a.is_null());
EXPECT_EQ(std::string(), a.To<std::string>());
String b = String::From(static_cast<const char*>(nullptr));
EXPECT_TRUE(b.is_null());
}
TEST(TypeConversionTest, String_Empty) {
String a = "";
EXPECT_EQ(std::string(), a.To<std::string>());
String b = std::string();
EXPECT_FALSE(b.is_null());
EXPECT_EQ(std::string(), b.To<std::string>());
}
TEST(TypeConversionTest, StringWithEmbeddedNull) {
const std::string kText("hel\0lo", 6);
String a(kText);
EXPECT_EQ(kText, a.To<std::string>());
// Expect truncation:
String b(kText.c_str());
EXPECT_EQ(std::string("hel"), b.To<std::string>());
}
TEST(TypeConversionTest, CustomTypeConverter) {
RectPtr rect(Rect::New());
rect->x = 10;
rect->y = 20;
rect->width = 50;
rect->height = 45;
RedmondRect rr = rect.To<RedmondRect>();
EXPECT_EQ(10, rr.left);
EXPECT_EQ(20, rr.top);
EXPECT_EQ(60, rr.right);
EXPECT_EQ(65, rr.bottom);
RectPtr rect2(Rect::From(rr));
EXPECT_EQ(rect->x, rect2->x);
EXPECT_EQ(rect->y, rect2->y);
EXPECT_EQ(rect->width, rect2->width);
EXPECT_EQ(rect->height, rect2->height);
}
TEST(TypeConversionTest, CustomTypeConverter_Array_Null) {
Array<RectPtr> rects;
std::vector<RedmondRect> redmond_rects = rects.To<std::vector<RedmondRect>>();
EXPECT_TRUE(redmond_rects.empty());
}
TEST(TypeConversionTest, CustomTypeConverter_Array) {
const RedmondRect kBase = {10, 20, 30, 40};
Array<RectPtr> rects(10);
for (size_t i = 0; i < rects.size(); ++i) {
RedmondRect rr = kBase;
rr.left += static_cast<int32_t>(i);
rr.top += static_cast<int32_t>(i);
rects[i] = Rect::From(rr);
}
std::vector<RedmondRect> redmond_rects = rects.To<std::vector<RedmondRect>>();
Array<RectPtr> rects2 = Array<RectPtr>::From(redmond_rects);
EXPECT_TRUE(AreEqualRectArrays(rects, rects2));
}
TEST(TypeConversionTest, CustomTypeConverter_Nested) {
RedmondNamedRegion redmond_region;
redmond_region.name = "foopy";
const RedmondRect kBase = {10, 20, 30, 40};
for (size_t i = 0; i < 10; ++i) {
RedmondRect rect = kBase;
rect.left += static_cast<int32_t>(i);
rect.top += static_cast<int32_t>(i);
redmond_region.rects.push_back(rect);
}
// Round-trip through generated struct and TypeConverter.
NamedRegionPtr copy = NamedRegion::From(redmond_region);
RedmondNamedRegion redmond_region2 = copy.To<RedmondNamedRegion>();
EXPECT_EQ(redmond_region.name, redmond_region2.name);
EXPECT_EQ(redmond_region.rects.size(), redmond_region2.rects.size());
for (size_t i = 0; i < redmond_region.rects.size(); ++i) {
EXPECT_EQ(redmond_region.rects[i].left, redmond_region2.rects[i].left);
EXPECT_EQ(redmond_region.rects[i].top, redmond_region2.rects[i].top);
EXPECT_EQ(redmond_region.rects[i].right, redmond_region2.rects[i].right);
EXPECT_EQ(redmond_region.rects[i].bottom, redmond_region2.rects[i].bottom);
}
}
} // namespace
} // namespace test
} // namespace mojo
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