xref: /aosp_15_r20/external/skia/tests/PathOpsDPointTest.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2012 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 #include "include/core/SkPoint.h"
8 #include "include/core/SkTypes.h"
9 #include "src/pathops/SkPathOpsPoint.h"
10 #include "src/pathops/SkPathOpsTypes.h"
11 #include "tests/PathOpsTestCommon.h"
12 #include "tests/Test.h"
13 
14 #include <array>
15 #include <cmath>
16 #include <cstddef>
17 
18 static const SkDPoint tests[] = {
19     {0, 0},
20     {1, 0},
21     {0, 1},
22     {2, 1},
23     {1, 2},
24     {1, 1},
25     {2, 2}
26 };
27 
28 static const size_t tests_count = std::size(tests);
29 
DEF_TEST(PathOpsDPoint,reporter)30 DEF_TEST(PathOpsDPoint, reporter) {
31     for (size_t index = 0; index < tests_count; ++index) {
32         const SkDPoint& pt = tests[index];
33         SkASSERT(ValidPoint(pt));
34         SkDPoint p = pt;
35         REPORTER_ASSERT(reporter, p == pt);
36         REPORTER_ASSERT(reporter, !(pt != pt));
37         SkDVector v = p - pt;
38         p += v;
39         REPORTER_ASSERT(reporter, p == pt);
40         p -= v;
41         REPORTER_ASSERT(reporter, p == pt);
42         REPORTER_ASSERT(reporter, p.approximatelyEqual(pt));
43         SkPoint sPt = pt.asSkPoint();
44         p.set(sPt);
45         REPORTER_ASSERT(reporter, p == pt);
46         REPORTER_ASSERT(reporter, p.approximatelyEqual(sPt));
47         REPORTER_ASSERT(reporter, p.roughlyEqual(pt));
48         p.fX = p.fY = 0;
49         REPORTER_ASSERT(reporter, p.fX == 0 && p.fY == 0);
50         REPORTER_ASSERT(reporter, p.approximatelyZero());
51         REPORTER_ASSERT(reporter, pt.distanceSquared(p) == pt.fX * pt.fX + pt.fY * pt.fY);
52         REPORTER_ASSERT(reporter, approximately_equal(pt.distance(p),
53                 sqrt(pt.fX * pt.fX + pt.fY * pt.fY)));
54     }
55 }
56