1 /*
2  * Copyright (C) 2014 Google Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1.  Redistributions of source code must retain the above copyright
8  *     notice, this list of conditions and the following disclaimer.
9  * 2.  Redistributions in binary form must reproduce the above copyright
10  *     notice, this list of conditions and the following disclaimer in the
11  *     documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
17  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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19  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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22  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  */
24 
25 #include "third_party/blink/renderer/platform/geometry/float_box_test_helpers.h"
26 
27 #include "third_party/blink/renderer/platform/geometry/float_box.h"
28 #include "third_party/blink/renderer/platform/geometry/geometry_test_helpers.h"
29 
30 const static float kTestEpsilon = 1e-6;
31 
32 namespace blink {
33 namespace float_box_test {
34 
ApproximatelyEqual(const float & a,const float & b)35 bool ApproximatelyEqual(const float& a, const float& b) {
36   return geometry_test::ApproximatelyEqual(a, b, kTestEpsilon);
37 }
38 
ApproximatelyEqual(const FloatBox & a,const FloatBox & b)39 bool ApproximatelyEqual(const FloatBox& a, const FloatBox& b) {
40   if (!ApproximatelyEqual(a.X(), b.X()) || !ApproximatelyEqual(a.Y(), b.Y()) ||
41       !ApproximatelyEqual(a.Z(), b.Z()) ||
42       !ApproximatelyEqual(a.Width(), b.Width()) ||
43       !ApproximatelyEqual(a.Height(), b.Height()) ||
44       !ApproximatelyEqual(a.Depth(), b.Depth())) {
45     return false;
46   }
47   return true;
48 }
49 
AssertAlmostEqual(const char * expr,const char * n_expr,const FloatBox & m,const FloatBox & n)50 testing::AssertionResult AssertAlmostEqual(const char* expr,
51                                            const char* n_expr,
52                                            const FloatBox& m,
53                                            const FloatBox& n) {
54   if (!ApproximatelyEqual(m, n)) {
55     return testing::AssertionFailure()
56            << "       Value of:" << n_expr << std::endl
57            << "         Actual:" << testing::PrintToString(n) << std::endl
58            << "Expected Approx:" << expr << std::endl
59            << "       Which is:" << testing::PrintToString(m);
60   }
61   return testing::AssertionSuccess();
62 }
63 
AssertContains(const char * expr,const char * n_expr,const FloatBox & m,const FloatBox & n)64 testing::AssertionResult AssertContains(const char* expr,
65                                         const char* n_expr,
66                                         const FloatBox& m,
67                                         const FloatBox& n) {
68   FloatBox new_m = m;
69   new_m.ExpandTo(n);
70   if (!ApproximatelyEqual(m, new_m)) {
71     return testing::AssertionFailure()
72            << "        Value of:" << n_expr << std::endl
73            << "          Actual:" << testing::PrintToString(n) << std::endl
74            << "Not Contained in:" << expr << std::endl
75            << "        Which is:" << testing::PrintToString(m);
76   }
77   return testing::AssertionSuccess();
78 }
79 
80 }  // namespace float_box_test
81 }  // namespace blink
82