harden pathops for pathological test

tests/PathOpsQuadIntersectionTest.cpp

 /*
  * 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 "PathOpsQuadIntersectionTestData.h"
 #include "PathOpsTestCommon.h"
 #include "SkIntersections.h"
 #include "SkPathOpsRect.h"
@@ skipping 35 matching lines @@
                                 tt2, xy2.fX, xy2.fY);
                         REPORTER_ASSERT(reporter, 0);
                     }
                 }
             }
         }
     }
 }
 
 static const SkDQuad testSet[] = {
+{{{-37.3484879,10.0192947}, {-36.4966316,13.2140198}, {-38.1506348,16.0788383}}},
+{{{-38.1462746,16.08918}, {-36.4904327,13.2193804}, {-37.3484879,10.0192947}}},
+
+{{{-37.3513985,10.0082998}, {-36.4938011,13.2090998}, {-38.1506004,16.0788002}}},
+{{{-37.3508987,10.0102997}, {-36.4930992,13.2110004}, {-38.1497993,16.0809002}}},
+
+{{{-37.3508987,10.0102997}, {-37.3510017,10.0098}, {-37.3512001,10.0093002}}},
+{{{-49.0778008,19.0097008}, {-38.2086983,6.80954981}, {-37.3508987,10.0102997}}},
+
+{{{SkBits2Float(0xc22423b2), SkBits2Float(0x40afae2c)},
+        {SkBits2Float(0xc2189b24), SkBits2Float(0x40e3f058)},
+        {SkBits2Float(0xc21511d9), SkBits2Float(0x41251125)}}},
+{{{SkBits2Float(0xc2153d2f), SkBits2Float(0x412299db)},
+        {SkBits2Float(0xc2153265), SkBits2Float(0x41233845)},
+        {SkBits2Float(0xc21527fc), SkBits2Float(0x4123d684)}}},
+
+{{{-37.3097496, 10.1625624}, {-37.2992134, 10.2012377}, {-37.2890472, 10.239872}}},
+{{{-41.0348587, 5.49001122}, {-38.1515045, 7.12308884}, {-37.2674294, 10.3166857}}},
+
+{{{-52.8062439,14.1493912}, {-53.6638947,10.948595}, {-52.0070419,8.07883835}}},
+{{{-52.8054848,14.1522331}, {-53.6633072,10.9514809}, {-52.0066071,8.08163643}}},
+
 {{{441.853149, 308.209106}, {434.672272, 315.389984}, {424.516998, 315.389984}}},
 {{{385.207275, 334.241272}, {406.481598, 312.96698}, {436.567993, 312.96698}}},
 
 {{{-708.00779269310044, -154.36998607290101}, {-707.90560262312511, -154.36998607290101}, {-707.8333433370193, -154.44224536635932}}},
 {{{-708.00779269310044, -154.61669472244046}, {-701.04513225634582, -128.85970734043804}, {505.58447265625, -504.9130859375}}},
 
 {{{164, -40}, {231.51681518554687, -40}, {279.25839233398438, 7.7416000366210938}}},
 {{{279.25839233398438, 7.7416000366210938}, {275.2164306640625, 3.6996400356292725}, {271.03286743164062, -5.3290705182007514e-015}}},
 
 {{{2.9999997378517067, 1.9737872594345709}, {2.9999997432230918, 1.9739647181863822}, {1.2414155459263587e-163, 5.2957833941332142e-315}}},
@@ skipping 216 matching lines @@
                     tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY);
             REPORTER_ASSERT(reporter, 0);
         }
 #if ONE_OFF_DEBUG
         SkDebugf("%s [%d][%d] t1=%1.9g (%1.9g, %1.9g) t2=%1.9g\n", __FUNCTION__,
             outer, inner, tt1, xy1.fX, xy1.fY, tt2);
 #endif
     }
 }
 
-DEF_TEST(PathOpsQuadIntersectionOneOff, reporter) {
-    oneOffTest1(reporter, 0, 1);
-}
-
 static void oneOffTests(skiatest::Reporter* reporter) {
     for (size_t outer = 0; outer < testSetCount - 1; ++outer) {
         for (size_t inner = outer + 1; inner < testSetCount; ++inner) {
             oneOffTest1(reporter, outer, inner);
         }
     }
 }
 
 static const SkDQuad coincidentTestSet[] = {
 #if 0
@@ skipping 25 matching lines @@
         REPORTER_ASSERT(reporter, pt1.approximatelyEqual(pt2));
     }
 }
 
 static void coincidentTest(skiatest::Reporter* reporter) {
     for (int testIndex = 0; testIndex < coincidentTestSetCount - 1; testIndex += 2) {
         coincidentTestOne(reporter, testIndex, testIndex + 1);
     }
 }
 
-DEF_TEST(PathOpsQuadIntersectionCoincidenceOneOff, reporter) {
-    coincidentTestOne(reporter, 0, 1);
-}
-
 static int floatSign(double x) {
     return x < 0 ? -1 : x > 0 ? 1 : 0;
 }
 
 static const SkDQuad pointFinderTestSet[] = {
                                                                                                                                 //>=0.633974464         0.633974846 <=
 {{{1.2071879545809394, 0.82163474041730045}, {1.1534203513372994, 0.52790870069930229},
         {1.0880000000000001, 0.29599999999999982}}},  //t=0.63155333662549329, 0.80000000000000004
 {{{1.2071879545809394, 0.82163474041730045}, {1.2065040319428038, 0.81766753259119995},
         {1.2058123269101506, 0.81370135061854221}}},  //t=0.63155333662549329, 0.6339049773632347
@@ skipping 150 matching lines @@
     intersectionFinder(0, 1);
 }
 
 DEF_TEST(PathOpsQuadIntersection, reporter) {
     oneOffTests(reporter);
     coincidentTest(reporter);
     standardTestCases(reporter);
     if (false) QuadraticIntersection_IntersectionFinder();
     if (false) QuadraticIntersection_PointFinder();
 }
+
+DEF_TEST(PathOpsQuadIntersectionCoincidenceOneOff, reporter) {
+    coincidentTestOne(reporter, 0, 1);
+}
+
+DEF_TEST(PathOpsQuadIntersectionOneOff, reporter) {
+    oneOffTest1(reporter, 0, 1);
+}