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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 "mojo/public/bindings/allocation_scope.h"
#include "mojo/public/environment/environment.h"
#include "mojom/test_structs.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;
};
} // namespace
template <>
class TypeConverter<test_structs::Rect, RedmondRect> {
public:
static test_structs::Rect ConvertFrom(const RedmondRect& input, Buffer* buf) {
test_structs::Rect::Builder rect(buf);
rect.set_x(input.left);
rect.set_y(input.top);
rect.set_width(input.right - input.left);
rect.set_height(input.bottom - input.top);
return rect.Finish();
}
static RedmondRect ConvertTo(const test_structs::Rect& 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 <>
class TypeConverter<test_structs::NamedRegion, RedmondNamedRegion> {
public:
static test_structs::NamedRegion ConvertFrom(const RedmondNamedRegion& input,
Buffer* buf) {
test_structs::NamedRegion::Builder region(buf);
region.set_name(String(input.name, buf));
region.set_rects(mojo::Array<test_structs::Rect>(input.rects, buf));
return region.Finish();
}
static RedmondNamedRegion ConvertTo(const test_structs::NamedRegion& input) {
RedmondNamedRegion region;
region.name = input.name().To<std::string>();
region.rects = input.rects().To<std::vector<RedmondRect> >();
return region;
}
};
namespace test {
class TypeConversionTest : public testing::Test {
private:
Environment env_;
};
TEST_F(TypeConversionTest, String) {
AllocationScope scope;
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_F(TypeConversionTest, String_Null) {
String a;
EXPECT_TRUE(a.is_null());
EXPECT_EQ(std::string(), a.To<std::string>());
String b(static_cast<const char*>(NULL));
EXPECT_TRUE(b.is_null());
}
TEST_F(TypeConversionTest, String_Empty) {
AllocationScope scope;
String a = String::Builder(0).Finish();
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_F(TypeConversionTest, String_ShallowCopy) {
AllocationScope scope;
String a("hello");
String b(a);
EXPECT_EQ(&a[0], &b[0]);
EXPECT_EQ(a.To<std::string>(), b.To<std::string>());
}
TEST_F(TypeConversionTest, StringWithEmbeddedNull) {
AllocationScope scope;
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_F(TypeConversionTest, CustomTypeConverter) {
AllocationScope scope;
test_structs::Rect::Builder rect_builder;
rect_builder.set_x(10);
rect_builder.set_y(20);
rect_builder.set_width(50);
rect_builder.set_height(45);
test_structs::Rect rect = rect_builder.Finish();
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);
test_structs::Rect rect2(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_F(TypeConversionTest, CustomTypeConverter_Array_Null) {
Array<test_structs::Rect> rects;
std::vector<RedmondRect> redmond_rects =
rects.To<std::vector<RedmondRect> >();
EXPECT_TRUE(redmond_rects.empty());
}
TEST_F(TypeConversionTest, CustomTypeConverter_Array) {
AllocationScope scope;
const RedmondRect kBase = { 10, 20, 30, 40 };
Array<test_structs::Rect>::Builder rects_builder(10);
for (size_t i = 0; i < rects_builder.size(); ++i) {
RedmondRect rr = kBase;
rr.left += static_cast<int32_t>(i);
rr.top += static_cast<int32_t>(i);
rects_builder[i] = test_structs::Rect(rr);
}
Array<test_structs::Rect> rects = rects_builder.Finish();
std::vector<RedmondRect> redmond_rects =
rects.To<std::vector<RedmondRect> >();
// Note: assignment broken in two lines tests default constructor with
// assignment operator. We will also test conversion constructor.
Array<test_structs::Rect> rects2;
rects2 = redmond_rects;
EXPECT_EQ(rects.size(), rects2.size());
for (size_t i = 0; i < rects.size(); ++i) {
EXPECT_EQ(rects[i].x(), rects2[i].x());
EXPECT_EQ(rects[i].y(), rects2[i].y());
EXPECT_EQ(rects[i].width(), rects2[i].width());
EXPECT_EQ(rects[i].height(), rects2[i].height());
}
// Test conversion constructor.
Array<test_structs::Rect> rects3(redmond_rects);
EXPECT_EQ(rects.size(), rects3.size());
for (size_t i = 0; i < rects.size(); ++i) {
EXPECT_EQ(rects[i].x(), rects3[i].x());
EXPECT_EQ(rects[i].y(), rects3[i].y());
EXPECT_EQ(rects[i].width(), rects3[i].width());
EXPECT_EQ(rects[i].height(), rects3[i].height());
}
}
TEST_F(TypeConversionTest, CustomTypeConverter_Nested) {
AllocationScope scope;
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.
test_structs::NamedRegion copy = 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 test
} // namespace mojo
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