| Flutter Impeller |

rational_unittests.cc
Go to the documentation of this file.
1 // Copyright 2013 The Flutter 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 "flutter/impeller/geometry/rational.h"
6
7 #include "gtest/gtest.h"
8
9 namespace impeller {
10
11 TEST(RationalTest, Make) {
12 Rational value(1, 2);
13 EXPECT_EQ(value.GetNumerator(), 1);
14 EXPECT_EQ(value.GetDenominator(), 2u);
15 }
16
17 TEST(RationalTest, EqualsSameDen) {
18 EXPECT_TRUE(Rational(1, 2) == Rational(1, 2));
19 }
20
21 TEST(RationalTest, NotEqualsSameDen) {
22 EXPECT_FALSE(Rational(3, 2) == Rational(1, 2));
23 }
24
25 TEST(RationalTest, EqualsDifferentDen) {
26 EXPECT_TRUE(Rational(1, 2) == Rational(2, 4));
27 }
28
29 TEST(RationalTest, NegationNotEquals) {
30 EXPECT_FALSE(Rational(1, 2) == Rational(-1, 2));
31 }
32
33 TEST(RationalTest, LessThanSameDen) {
34 EXPECT_TRUE(Rational(1, 2) < Rational(2, 2));
35 }
36
37 TEST(RationalTest, LessThanNegation) {
38 EXPECT_TRUE(Rational(-1, 2) < Rational(2, 23));
39 }
40
41 TEST(RationalTest, LessThanDifferentDen) {
42 EXPECT_TRUE(Rational(1, 2) < Rational(25, 23));
43 }
44
45 TEST(RationalTest, NotLessThanDifferentDen) {
46 EXPECT_FALSE(Rational(25, 23) < Rational(1, 2));
47 }
48
49 TEST(RationalTest, SameHashes) {
50 EXPECT_EQ(Rational(1, 2).GetHash(), Rational(2, 4).GetHash());
51 }
52
53 TEST(RationalTest, DifferentHashes) {
54 EXPECT_NE(Rational(2, 2).GetHash(), Rational(2, 4).GetHash());
55 }
56
57 } // namespace impeller
impeller::Rational
Definition: rational.h:13
value
int32_t value
Definition: dl_golden_unittests.cc:459
impeller
Definition: allocation.cc:12
impeller::TEST
TEST(RationalTest, Make)
Definition: rational_unittests.cc:11
rational.h