quad and conic do not intersect

tests/PathOpsSimplifyTest.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 "PathOpsExtendedTest.h"
 
 #define TEST(name) { name, #name }
 
@@ skipping 5313 matching lines @@
             }
             tiger8b_x(reporter, filename, testlines);
         }
     }
 }
 
 static void tiger8b_h_1(skiatest::Reporter* reporter, const char* filename) {
 #if DEBUG_UNDER_DEVELOPMENT  // tiger
     return;
 #endif
-    uint64_t testlines = 0x0000000001000893;  // best so far: 0x0000000001000893
+    uint64_t testlines = 0x0000001000350204;  // best so far: 0x0000000104080223
     tiger8b_x(reporter, filename, testlines);
 }
 
 // tries to add same edge twice
 static void tiger8b(skiatest::Reporter* reporter, const char* filename) {
 #if DEBUG_UNDER_DEVELOPMENT  // tiger
     return;
 #endif
     SkPath path;
 path.moveTo(SkBits2Float(0x43f72ca1), SkBits2Float(0x43609572));  // 494.349f, 224.584f
@@ skipping 30 matching lines @@
 path.lineTo(SkBits2Float(0x43ffcaf2), SkBits2Float(0x43541e6d));  // 511.586f, 212.119f
 path.quadTo(SkBits2Float(0x43fd4888), SkBits2Float(0x435a7d38), SkBits2Float(0x43f8d864), SkBits2Float(0x435b4bbf));  // 506.567f, 218.489f, 497.691f, 219.296f
 path.lineTo(SkBits2Float(0x43f8cccd), SkBits2Float(0x435a4ccc));  // 497.6f, 218.3f
 path.lineTo(SkBits2Float(0x43f8e5e7), SkBits2Float(0x435b47d3));  // 497.796f, 219.281f
 path.quadTo(SkBits2Float(0x43f84300), SkBits2Float(0x435b88fd), SkBits2Float(0x43f7b75b), SkBits2Float(0x435c5e8e));  // 496.523f, 219.535f, 495.432f, 220.369f
 path.quadTo(SkBits2Float(0x43f6b984), SkBits2Float(0x435de2c4), SkBits2Float(0x43f72ca1), SkBits2Float(0x43609572));  // 493.449f, 221.886f, 494.349f, 224.584f
 path.close();
 testSimplify(reporter, path, filename);
 }
 
-// FIXME: this should not fail -- it was isolated looking for the root cause to fuzz763_4713
-// it fails with and without that change
 static void fuzz763_4713_b(skiatest::Reporter* reporter, const char* filename) {
     SkPath path;
     path.setFillType((SkPath::FillType) 0);
 path.moveTo(SkBits2Float(0x42240000), SkBits2Float(0x42040000));
 path.quadTo(SkBits2Float(0x42240000), SkBits2Float(0x4211413d), SkBits2Float(0x421aa09e), SkBits2Float(0x421aa09e));
 path.quadTo(SkBits2Float(0x4211413d), SkBits2Float(0x42240000), SkBits2Float(0x42040000), SkBits2Float(0x42240000));
 path.quadTo(SkBits2Float(0x41ed7d86), SkBits2Float(0x42240000), SkBits2Float(0x41dabec3), SkBits2Float(0x421aa09e));
 path.quadTo(SkBits2Float(0x41c80000), SkBits2Float(0x4211413d), SkBits2Float(0x41c80000), SkBits2Float(0x42040000));
 path.quadTo(SkBits2Float(0x41c80000), SkBits2Float(0x41ed7d86), SkBits2Float(0x41dabec3), SkBits2Float(0x41dabec3));
 path.quadTo(SkBits2Float(0x41ed7d86), SkBits2Float(0x41c80000), SkBits2Float(0x42040000), SkBits2Float(0x41c80000));
@@ skipping 12 matching lines @@
 path.quadTo(SkBits2Float(0x4211413d), SkBits2Float(0x42240000), SkBits2Float(0x42040000), SkBits2Float(0x42240000));
 path.quadTo(SkBits2Float(0x41ed7d86), SkBits2Float(0x42240000), SkBits2Float(0x41dabec3), SkBits2Float(0x421aa09e));
 path.quadTo(SkBits2Float(0x41c80000), SkBits2Float(0x4211413d), SkBits2Float(0x41c80000), SkBits2Float(0x42040000));
 path.quadTo(SkBits2Float(0x41c80000), SkBits2Float(0x41ed7d86), SkBits2Float(0x41dabec3), SkBits2Float(0x41dabec3));
 path.quadTo(SkBits2Float(0x41db19b1), SkBits2Float(0x41da63d5), SkBits2Float(0x41db755b), SkBits2Float(0x41da0a9b));
 path.quadTo(SkBits2Float(0x41dbce01), SkBits2Float(0x41d9ae59), SkBits2Float(0x41dc285e), SkBits2Float(0x41d952ce));
 path.quadTo(SkBits2Float(0x41dc55b6), SkBits2Float(0x41d924df), SkBits2Float(0x41dc82cd), SkBits2Float(0x41d8f7cd));
 path.quadTo(SkBits2Float(0x41dcaf1e), SkBits2Float(0x41d8ca01), SkBits2Float(0x41dcdc4c), SkBits2Float(0x41d89bf0));
 path.quadTo(SkBits2Float(0x41ef6c33), SkBits2Float(0x41c5aec5), SkBits2Float(0x4204f72e), SkBits2Float(0x41c56cd2));
 path.close();
-// DEBUG_UNDER_DEVELOPMENT  fuzz763_4713_b disable expectation check for now
-testSimplifyCheck(reporter, path, filename, !FLAGS_runFail);
+testSimplify(reporter, path, filename);
 }
 
 static void dean4(skiatest::Reporter* reporter, const char* filename) {
 // FIXME: This fails unexpectedly when GYP_DEFINES="skia_fast=1" is set on a z840 calibre machine
 #if DEBUG_UNDER_DEVELOPMENT
     return;
 #endif
   SkPath path;
 
   // start region
@@ skipping 421 matching lines @@
     path.quadTo(2, 3, 3, 3);
     path.lineTo(3, 3);
     path.close();
     path.moveTo(0, 1);
     path.lineTo(2, 2);
     path.quadTo(1, 3, 3, 3);
     path.close();
     testSimplify(reporter, path, filename);
 }
 
+static void testQuads73(skiatest::Reporter* reporter, const char* filename) {
+    SkPath path;
+    path.moveTo(0, 0);
+    path.quadTo(0, 1, 1, 2);
+    path.lineTo(0, 3);
+    path.close();
+    path.moveTo(0, 0);
+    path.lineTo(0, 0);
+    path.quadTo(0, 1, 1, 1);
+    path.close();
+    testSimplify(reporter, path, filename);
+}
+
 static void (*skipTest)(skiatest::Reporter* , const char* filename) = 0;
 static void (*firstTest)(skiatest::Reporter* , const char* filename) = tiger8b_h_1;
 static void (*stopTest)(skiatest::Reporter* , const char* filename) = 0;
 
 static TestDesc tests[] = {
+    TEST(testQuads73),
     TEST(tiger8a_h_1),
     TEST(tiger8a_h),
     TEST(tiger8a),
     TEST(tiger8b_h_1),
     TEST(tiger8b_h),
     TEST(tiger8b),
     TEST(tiger8),
     TEST(testQuads72),
     TEST(testQuads71),
     TEST(testQuads70),
@@ skipping 450 matching lines @@
 
 DEF_TEST(PathOpsSimplify, reporter) {
     if (runSubTests && runSubTestsFirst) {
         RunTestSet(reporter, subTests, subTestCount, firstSubTest, nullptr, stopTest, runReverse);
     }
     RunTestSet(reporter, tests, testCount, firstTest, skipTest, stopTest, runReverse);
     if (runSubTests && !runSubTestsFirst) {
         RunTestSet(reporter, subTests, subTestCount, firstSubTest, nullptr, stopTest, runReverse);
     }
 }