blob: 4ae7a67c4f1b97b690968e2af9f4e4049472bfe5 [file] [log] [blame]
// Copyright (c) 2011 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 <sstream>
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/range/range.h"
#include "ui/gfx/range/range_f.h"
namespace {
template <typename T>
class RangeTest : public testing::Test {
};
typedef testing::Types<gfx::Range, gfx::RangeF> RangeTypes;
TYPED_TEST_CASE(RangeTest, RangeTypes);
template <typename T>
void TestContainsAndIntersects(const T& r1,
const T& r2,
const T& r3) {
EXPECT_TRUE(r1.Intersects(r1));
EXPECT_TRUE(r1.Contains(r1));
EXPECT_EQ(T(10, 12), r1.Intersect(r1));
EXPECT_FALSE(r1.Intersects(r2));
EXPECT_FALSE(r1.Contains(r2));
EXPECT_TRUE(r1.Intersect(r2).is_empty());
EXPECT_FALSE(r2.Intersects(r1));
EXPECT_FALSE(r2.Contains(r1));
EXPECT_TRUE(r2.Intersect(r1).is_empty());
EXPECT_TRUE(r1.Intersects(r3));
EXPECT_TRUE(r3.Intersects(r1));
EXPECT_TRUE(r3.Contains(r1));
EXPECT_FALSE(r1.Contains(r3));
EXPECT_EQ(T(10, 12), r1.Intersect(r3));
EXPECT_EQ(T(10, 12), r3.Intersect(r1));
EXPECT_TRUE(r2.Intersects(r3));
EXPECT_TRUE(r3.Intersects(r2));
EXPECT_FALSE(r3.Contains(r2));
EXPECT_FALSE(r2.Contains(r3));
EXPECT_EQ(T(5, 8), r2.Intersect(r3));
EXPECT_EQ(T(5, 8), r3.Intersect(r2));
}
} // namespace
TYPED_TEST(RangeTest, EmptyInit) {
TypeParam r;
EXPECT_EQ(0U, r.start());
EXPECT_EQ(0U, r.end());
EXPECT_EQ(0U, r.length());
EXPECT_FALSE(r.is_reversed());
EXPECT_TRUE(r.is_empty());
EXPECT_TRUE(r.IsValid());
EXPECT_EQ(0U, r.GetMin());
EXPECT_EQ(0U, r.GetMax());
}
TYPED_TEST(RangeTest, StartEndInit) {
TypeParam r(10, 15);
EXPECT_EQ(10U, r.start());
EXPECT_EQ(15U, r.end());
EXPECT_EQ(5U, r.length());
EXPECT_FALSE(r.is_reversed());
EXPECT_FALSE(r.is_empty());
EXPECT_TRUE(r.IsValid());
EXPECT_EQ(10U, r.GetMin());
EXPECT_EQ(15U, r.GetMax());
}
TYPED_TEST(RangeTest, StartEndReversedInit) {
TypeParam r(10, 5);
EXPECT_EQ(10U, r.start());
EXPECT_EQ(5U, r.end());
EXPECT_EQ(5U, r.length());
EXPECT_TRUE(r.is_reversed());
EXPECT_FALSE(r.is_empty());
EXPECT_TRUE(r.IsValid());
EXPECT_EQ(5U, r.GetMin());
EXPECT_EQ(10U, r.GetMax());
}
TYPED_TEST(RangeTest, PositionInit) {
TypeParam r(12);
EXPECT_EQ(12U, r.start());
EXPECT_EQ(12U, r.end());
EXPECT_EQ(0U, r.length());
EXPECT_FALSE(r.is_reversed());
EXPECT_TRUE(r.is_empty());
EXPECT_TRUE(r.IsValid());
EXPECT_EQ(12U, r.GetMin());
EXPECT_EQ(12U, r.GetMax());
}
TYPED_TEST(RangeTest, InvalidRange) {
TypeParam r(TypeParam::InvalidRange());
EXPECT_EQ(0U, r.length());
EXPECT_EQ(r.start(), r.end());
EXPECT_EQ(r.GetMax(), r.GetMin());
EXPECT_FALSE(r.is_reversed());
EXPECT_TRUE(r.is_empty());
EXPECT_FALSE(r.IsValid());
EXPECT_EQ(r, TypeParam::InvalidRange());
EXPECT_TRUE(r.EqualsIgnoringDirection(TypeParam::InvalidRange()));
}
TYPED_TEST(RangeTest, Equality) {
TypeParam r1(10, 4);
TypeParam r2(10, 4);
TypeParam r3(10, 2);
EXPECT_EQ(r1, r2);
EXPECT_NE(r1, r3);
EXPECT_NE(r2, r3);
TypeParam r4(11, 4);
EXPECT_NE(r1, r4);
EXPECT_NE(r2, r4);
EXPECT_NE(r3, r4);
TypeParam r5(12, 5);
EXPECT_NE(r1, r5);
EXPECT_NE(r2, r5);
EXPECT_NE(r3, r5);
}
TYPED_TEST(RangeTest, EqualsIgnoringDirection) {
TypeParam r1(10, 5);
TypeParam r2(5, 10);
EXPECT_TRUE(r1.EqualsIgnoringDirection(r2));
}
TYPED_TEST(RangeTest, SetStart) {
TypeParam r(10, 20);
EXPECT_EQ(10U, r.start());
EXPECT_EQ(10U, r.length());
r.set_start(42);
EXPECT_EQ(42U, r.start());
EXPECT_EQ(20U, r.end());
EXPECT_EQ(22U, r.length());
EXPECT_TRUE(r.is_reversed());
}
TYPED_TEST(RangeTest, SetEnd) {
TypeParam r(10, 13);
EXPECT_EQ(10U, r.start());
EXPECT_EQ(3U, r.length());
r.set_end(20);
EXPECT_EQ(10U, r.start());
EXPECT_EQ(20U, r.end());
EXPECT_EQ(10U, r.length());
}
TYPED_TEST(RangeTest, SetStartAndEnd) {
TypeParam r;
r.set_end(5);
r.set_start(1);
EXPECT_EQ(1U, r.start());
EXPECT_EQ(5U, r.end());
EXPECT_EQ(4U, r.length());
EXPECT_EQ(1U, r.GetMin());
EXPECT_EQ(5U, r.GetMax());
}
TYPED_TEST(RangeTest, ReversedRange) {
TypeParam r(10, 5);
EXPECT_EQ(10U, r.start());
EXPECT_EQ(5U, r.end());
EXPECT_EQ(5U, r.length());
EXPECT_TRUE(r.is_reversed());
EXPECT_TRUE(r.IsValid());
EXPECT_EQ(5U, r.GetMin());
EXPECT_EQ(10U, r.GetMax());
}
TYPED_TEST(RangeTest, SetReversedRange) {
TypeParam r(10, 20);
r.set_start(25);
EXPECT_EQ(25U, r.start());
EXPECT_EQ(20U, r.end());
EXPECT_EQ(5U, r.length());
EXPECT_TRUE(r.is_reversed());
EXPECT_TRUE(r.IsValid());
r.set_end(21);
EXPECT_EQ(25U, r.start());
EXPECT_EQ(21U, r.end());
EXPECT_EQ(4U, r.length());
EXPECT_TRUE(r.IsValid());
EXPECT_EQ(21U, r.GetMin());
EXPECT_EQ(25U, r.GetMax());
}
TYPED_TEST(RangeTest, ContainAndIntersect) {
{
SCOPED_TRACE("contain and intersect");
TypeParam r1(10, 12);
TypeParam r2(1, 8);
TypeParam r3(5, 12);
TestContainsAndIntersects(r1, r2, r3);
}
{
SCOPED_TRACE("contain and intersect: reversed");
TypeParam r1(12, 10);
TypeParam r2(8, 1);
TypeParam r3(12, 5);
TestContainsAndIntersects(r1, r2, r3);
}
// Invalid rect tests
TypeParam r1(10, 12);
TypeParam r2(8, 1);
TypeParam invalid = r1.Intersect(r2);
EXPECT_FALSE(invalid.IsValid());
EXPECT_FALSE(invalid.Contains(invalid));
EXPECT_FALSE(invalid.Contains(r1));
EXPECT_FALSE(invalid.Intersects(invalid));
EXPECT_FALSE(invalid.Intersects(r1));
EXPECT_FALSE(r1.Contains(invalid));
EXPECT_FALSE(r1.Intersects(invalid));
}
TEST(RangeTest, RangeFConverterTest) {
gfx::RangeF range_f(1.2f, 3.9f);
gfx::Range range = range_f.Floor();
EXPECT_EQ(1U, range.start());
EXPECT_EQ(3U, range.end());
range = range_f.Ceil();
EXPECT_EQ(2U, range.start());
EXPECT_EQ(4U, range.end());
range = range_f.Round();
EXPECT_EQ(1U, range.start());
EXPECT_EQ(4U, range.end());
// Test for negative values.
range_f.set_start(-1.2f);
range_f.set_end(-3.8f);
range = range_f.Floor();
EXPECT_EQ(0U, range.start());
EXPECT_EQ(0U, range.end());
range = range_f.Ceil();
EXPECT_EQ(0U, range.start());
EXPECT_EQ(0U, range.end());
range = range_f.Round();
EXPECT_EQ(0U, range.start());
EXPECT_EQ(0U, range.end());
}
TEST(RangeTest, ToString) {
gfx::Range range(4, 7);
EXPECT_EQ("{4,7}", range.ToString());
range = gfx::Range::InvalidRange();
std::ostringstream expected;
expected << "{" << range.start() << "," << range.end() << "}";
EXPECT_EQ(expected.str(), range.ToString());
}