src/third_party/skia/tests/PathOpsDPointTest.cpp

   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 "PathOpsTestCommon.h"
   8 #include "SkPathOpsPoint.h"
   9 #include "Test.h"
  10
  11 static const SkDPoint tests[] = {
  12     {0, 0},
  13     {1, 0},
  14     {0, 1},
  15     {2, 1},
  16     {1, 2},
  17     {1, 1},
  18     {2, 2}
  19 };
  20
  21 static const size_t tests_count = SK_ARRAY_COUNT(tests);
  22
  23 DEF_TEST(PathOpsDPoint, reporter) {
  24     for (size_t index = 0; index < tests_count; ++index) {
  25         const SkDPoint& pt = tests[index];
  26         SkASSERT(ValidPoint(pt));
  27         SkDPoint p = pt;
  28         REPORTER_ASSERT(reporter, p == pt);
  29         REPORTER_ASSERT(reporter, !(pt != pt));
  30         SkDVector v = p - pt;
  31         p += v;
  32         REPORTER_ASSERT(reporter, p == pt);
  33         p -= v;
  34         REPORTER_ASSERT(reporter, p == pt);
  35         REPORTER_ASSERT(reporter, p.approximatelyEqual(pt));
  36         SkPoint sPt = pt.asSkPoint();
  37         p.set(sPt);
  38         REPORTER_ASSERT(reporter, p == pt);
  39         REPORTER_ASSERT(reporter, p.approximatelyEqual(sPt));
  40         REPORTER_ASSERT(reporter, p.roughlyEqual(pt));
  41         REPORTER_ASSERT(reporter, p.moreRoughlyEqual(pt));
  42         p.fX = p.fY = 0;
  43         REPORTER_ASSERT(reporter, p.fX == 0 && p.fY == 0);
  44         REPORTER_ASSERT(reporter, p.approximatelyZero());
  45         REPORTER_ASSERT(reporter, pt.distanceSquared(p) == pt.fX * pt.fX + pt.fY * pt.fY);
  46         REPORTER_ASSERT(reporter, approximately_equal(pt.distance(p),
  47                 sqrt(pt.fX * pt.fX + pt.fY * pt.fY)));
  48     }
  49 }