skia2/tests/PathOpsDPointTest.cpp

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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "PathOpsTestCommon.h"
#include "SkPathOpsPoint.h"
#include "Test.h"
static const SkDPoint tests[] = {
{0, 0},
{1, 0},
{0, 1},
{2, 1},
{1, 2},
{1, 1},
{2, 2}
};
static const size_t tests_count = SK_ARRAY_COUNT(tests);
DEF_TEST(PathOpsDPoint, reporter) {
for (size_t index = 0; index < tests_count; ++index) {
const SkDPoint& pt = tests[index];
SkASSERT(ValidPoint(pt));
SkDPoint p = pt;
REPORTER_ASSERT(reporter, p == pt);
REPORTER_ASSERT(reporter, !(pt != pt));
SkDVector v = p - pt;
p += v;
REPORTER_ASSERT(reporter, p == pt);
p -= v;
REPORTER_ASSERT(reporter, p == pt);
REPORTER_ASSERT(reporter, p.approximatelyEqual(pt));
SkPoint sPt = pt.asSkPoint();
p.set(sPt);
REPORTER_ASSERT(reporter, p == pt);
REPORTER_ASSERT(reporter, p.approximatelyEqual(sPt));
REPORTER_ASSERT(reporter, p.roughlyEqual(pt));
p.fX = p.fY = 0;
REPORTER_ASSERT(reporter, p.fX == 0 && p.fY == 0);
REPORTER_ASSERT(reporter, p.approximatelyZero());
REPORTER_ASSERT(reporter, pt.distanceSquared(p) == pt.fX * pt.fX + pt.fY * pt.fY);
REPORTER_ASSERT(reporter, approximately_equal(pt.distance(p),
sqrt(pt.fX * pt.fX + pt.fY * pt.fY)));
}
}