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      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 "PathOpsQuadIntersectionTestData.h"
      8 #include "SkIntersections.h"
      9 #include "SkPathOpsRect.h"
     10 #include "SkReduceOrder.h"
     11 #include "Test.h"
     12 
     13 static const SkDQuad testSet[] = {
     14     {{{1, 1}, {2, 2}, {1, 1.000003}}},
     15     {{{1, 0}, {2, 6}, {3, 0}}}
     16 };
     17 
     18 static const size_t testSetCount = SK_ARRAY_COUNT(testSet);
     19 
     20 static void oneOffTest(skiatest::Reporter* reporter) {
     21     for (size_t index = 0; index < testSetCount; ++index) {
     22         const SkDQuad& quad = testSet[index];
     23         SkReduceOrder reducer;
     24         SkDEBUGCODE(int result = ) reducer.reduce(quad);
     25         SkASSERT(result == 3);
     26     }
     27 }
     28 
     29 static void standardTestCases(skiatest::Reporter* reporter) {
     30     size_t index;
     31     SkReduceOrder reducer;
     32     int order;
     33     enum {
     34         RunAll,
     35         RunQuadraticLines,
     36         RunQuadraticModLines,
     37         RunNone
     38     } run = RunAll;
     39     int firstTestIndex = 0;
     40 #if 0
     41     run = RunQuadraticLines;
     42     firstTestIndex = 1;
     43 #endif
     44     int firstQuadraticLineTest = run == RunAll ? 0 : run == RunQuadraticLines ? firstTestIndex
     45             : SK_MaxS32;
     46     int firstQuadraticModLineTest = run == RunAll ? 0 : run == RunQuadraticModLines ? firstTestIndex
     47             : SK_MaxS32;
     48 
     49     for (index = firstQuadraticLineTest; index < quadraticLines_count; ++index) {
     50         const SkDQuad& quad = quadraticLines[index];
     51         order = reducer.reduce(quad);
     52         if (order != 2) {
     53             SkDebugf("[%d] line quad order=%d\n", (int) index, order);
     54         }
     55     }
     56     for (index = firstQuadraticModLineTest; index < quadraticModEpsilonLines_count; ++index) {
     57         const SkDQuad& quad = quadraticModEpsilonLines[index];
     58         order = reducer.reduce(quad);
     59         if (order != 2 && order != 3) {  // FIXME: data probably is not good
     60             SkDebugf("[%d] line mod quad order=%d\n", (int) index, order);
     61         }
     62     }
     63 }
     64 
     65 DEF_TEST(PathOpsReduceOrderQuad, reporter) {
     66     oneOffTest(reporter);
     67     standardTestCases(reporter);
     68 }
     69