1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright (C) 2014 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "platform/geometry/FloatBoxTestHelpers.h"
#include "platform/geometry/FloatBox.h"
const static float kTestEpsilon = 1e-6;
void WebCore::PrintTo(const FloatBox& box, ::std::ostream* os)
{
*os << "FloatBox("
<< box.x() << ", "
<< box.y() << ", "
<< box.z() << ", "
<< box.width() << ", "
<< box.height() << ", "
<< box.depth() << ")";
}
bool WebCore::FloatBoxTest::ApproximatelyEqual(const float& a, const float& b)
{
float absA = ::fabs(a);
float absB = ::fabs(b);
float absErr = ::fabs(a - b);
if (a == b)
return true;
if (a == 0 || b == 0 || absErr < std::numeric_limits<float>::min())
return absErr < (kTestEpsilon * std::numeric_limits<float>::min());
return ((absErr / (absA + absB)) < kTestEpsilon);
}
bool WebCore::FloatBoxTest::ApproximatelyEqual(const FloatBox& a, const FloatBox& b)
{
if (!ApproximatelyEqual(a.x(), b.x())
|| !ApproximatelyEqual(a.y(), b.y())
|| !ApproximatelyEqual(a.z(), b.z())
|| !ApproximatelyEqual(a.width(), b.width())
|| !ApproximatelyEqual(a.height(), b.height())
|| !ApproximatelyEqual(a.depth(), b.depth())) {
return false;
}
return true;
}
::testing::AssertionResult WebCore::FloatBoxTest::AssertAlmostEqual(const char* m_expr, const char* n_expr, const FloatBox& m, const FloatBox& n)
{
if (!ApproximatelyEqual(m, n)) {
return ::testing::AssertionFailure() << " Value of:" << n_expr << std::endl
<< " Actual:" << testing::PrintToString(n) << std::endl
<< "Expected Approx:" << m_expr << std::endl
<< " Which is:" << ::testing::PrintToString(m);
}
return ::testing::AssertionSuccess();
}
::testing::AssertionResult WebCore::FloatBoxTest::AssertContains(const char* m_expr, const char* n_expr, const FloatBox& m, const FloatBox& n)
{
FloatBox newM = m;
newM.expandTo(n);
if (!ApproximatelyEqual(m, newM)) {
return ::testing::AssertionFailure() << " Value of:" << n_expr << std::endl
<< " Actual:" << testing::PrintToString(n) << std::endl
<< "Not Contained in:" << m_expr << std::endl
<< " Which is:" << ::testing::PrintToString(m);
}
return ::testing::AssertionSuccess();
}
|
