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(PathOpsDVector, reporter) { 24 for (size_t index = 0; index < tests_count - 1; ++index) { 25 SkDVector v1 = tests[index + 1] - tests[index]; 26 SkASSERT(ValidVector(v1)); 27 SkDVector v2 = tests[index] - tests[index + 1]; 28 SkASSERT(ValidVector(v2)); 29 v1 += v2; 30 REPORTER_ASSERT(reporter, v1.fX == 0 && v1.fY == 0); 31 SkDPoint p = tests[index + 1] + v2; 32 REPORTER_ASSERT(reporter, p == tests[index]); 33 v2 -= v2; 34 REPORTER_ASSERT(reporter, v2.fX == 0 && v2.fY == 0); 35 v1 = tests[index + 1] - tests[index]; 36 v1 /= 2; 37 v1 *= 2; 38 v1 -= tests[index + 1] - tests[index]; 39 REPORTER_ASSERT(reporter, v1.fX == 0 && v1.fY == 0); 40 SkVector sv = v1.asSkVector(); 41 REPORTER_ASSERT(reporter, sv.fX == 0 && sv.fY == 0); 42 v1 = tests[index + 1] - tests[index]; 43 double lenSq = v1.lengthSquared(); 44 double v1Dot = v1.dot(v1); 45 REPORTER_ASSERT(reporter, lenSq == v1Dot); 46 REPORTER_ASSERT(reporter, approximately_equal(sqrt(lenSq), v1.length())); 47 double v1Cross = v1.cross(v1); 48 REPORTER_ASSERT(reporter, v1Cross == 0); 49 } 50 } 51
