/* * 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 "src/pathops/SkPathOpsPoint.h" #include "tests/PathOpsTestCommon.h" #include "tests/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(PathOpsDVector, reporter) { for (size_t index = 0; index < tests_count - 1; ++index) { SkDVector v1 = tests[index + 1] - tests[index]; SkASSERT(ValidVector(v1)); SkDVector v2 = tests[index] - tests[index + 1]; SkASSERT(ValidVector(v2)); v1 += v2; REPORTER_ASSERT(reporter, v1.fX == 0 && v1.fY == 0); v2 -= static_cast<decltype(v2)&>(v2); REPORTER_ASSERT(reporter, v2.fX == 0 && v2.fY == 0); v1 = tests[index + 1] - tests[index]; v1 /= 2; v1 *= 2; v1 -= tests[index + 1] - tests[index]; REPORTER_ASSERT(reporter, v1.fX == 0 && v1.fY == 0); SkVector sv = v1.asSkVector(); REPORTER_ASSERT(reporter, sv.fX == 0 && sv.fY == 0); v1 = tests[index + 1] - tests[index]; double lenSq = v1.lengthSquared(); double v1Dot = v1.dot(v1); REPORTER_ASSERT(reporter, lenSq == v1Dot); REPORTER_ASSERT(reporter, approximately_equal(sqrt(lenSq), v1.length())); double v1Cross = v1.cross(v1); REPORTER_ASSERT(reporter, v1Cross == 0); } }