harden pathops for pathological test

tests/PathOpsExtendedTest.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef PathOpsExtendedTest_DEFINED
 #define PathOpsExtendedTest_DEFINED
 
 #include "SkBitmap.h"
@@ skipping 12 matching lines @@
 struct TestDesc {
     void (*fun)(skiatest::Reporter*, const char* filename);
     const char* str;
 };
 
 //extern int comparePaths(const SkPath& one, const SkPath& two);
 extern int comparePaths(const SkPath& one, const SkPath& two, SkBitmap& bitmap);
 extern bool drawAsciiPaths(const SkPath& one, const SkPath& two, bool drawPaths);
 extern void showOp(const SkPathOp op);
 extern bool testPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
-                        const SkPathOp , const char* testName);
+                       const SkPathOp , const char* testName);
+extern bool testPathOpCheck(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
+                            const SkPathOp , const char* testName, bool checkFail);
 extern bool testPathFailOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
-                        const SkPathOp , const char* testName);
+                           const SkPathOp , const char* testName);
 extern bool testThreadedPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
-                        const SkPathOp , const char* testName);
+                               const SkPathOp , const char* testName);
 extern bool testSimplify(SkPath& path, bool useXor, SkPath& out, PathOpsThreadState& state,
                          const char* pathStr);
 extern bool testSimplify(skiatest::Reporter* reporter, const SkPath& path, const char* filename);
 
 void initializeTests(skiatest::Reporter* reporter, const char* testName);
 void outputProgress(char* ramStr, const char* pathStr, SkPath::FillType );
 void outputProgress(char* ramStr, const char* pathStr, SkPathOp op);
 
 void RunTestSet(skiatest::Reporter* reporter, TestDesc tests[], size_t count,
                 void (*firstTest)(skiatest::Reporter* , const char* filename),
                 void (*stopTest)(skiatest::Reporter* , const char* filename), bool reverse);
 void ShowTestArray();
 void ShowTestName(PathOpsThreadState* data, int a, int b, int c, int d);
 void ShowFunctionHeader(const char* name);
 void ShowPath(const SkPath& path, const char* pathName);
 void ShowOp(SkPathOp op, const char* pathOne, const char* pathTwo);
 
 #endif