harden and speed up path op unit tests

tests/PathOpsExtendedTest.cpp

Index: tests/PathOpsExtendedTest.cpp
diff --git a/tests/PathOpsExtendedTest.cpp b/tests/PathOpsExtendedTest.cpp
index 93280d746df5dadaba4e6cfed4b730061c30b802..b85644dca5a854b55e7c55d3f7f315405fdb70df 100644
--- a/tests/PathOpsExtendedTest.cpp
+++ b/tests/PathOpsExtendedTest.cpp
@@ -41,7 +41,6 @@ static const char* opSuffixes[] = {
 };
 
 static bool gShowPath = false;
-static bool gComparePaths = true;
 static bool gComparePathsAssert = true;
 static bool gPathStrAssert = true;
 
@@ -512,7 +511,7 @@ bool testSimplify(SkPath& path, bool useXor, SkPath& out, PathOpsThreadState& st
         REPORTER_ASSERT(state.fReporter, 0);
         return false;
     }
-    if (!gComparePaths) {
+    if (!state.fReporter->verbose()) {
         return true;
     }
     int result = comparePaths(state.fReporter, path, out, *state.fBitmap);
@@ -563,8 +562,8 @@ void DebugShowPath(const SkPath& a, const SkPath& b, SkPathOp shapeOp, const cha
 }
 #endif
 
-bool testPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
-                 const SkPathOp shapeOp, const char* testName) {
+static bool innerPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
+                 const SkPathOp shapeOp, const char* testName, bool threaded) {
 #if DEBUG_SHOW_TEST_NAME
     if (testName == NULL) {
         SkDebugf("\n");
@@ -581,6 +580,9 @@ bool testPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
         REPORTER_ASSERT(reporter, 0);
         return false;
     }
+    if (threaded && !reporter->verbose()) {
+        return true;
+    }
     SkPath pathOut, scaledPathOut;
     SkRegion rgnA, rgnB, openClip, rgnOut;
     openClip.setRect(-16000, -16000, 16000, 16000);
@@ -614,6 +616,16 @@ bool testPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
     return result == 0;
 }
 
+bool testPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
+                 const SkPathOp shapeOp, const char* testName) {
+    return innerPathOp(reporter, a, b, shapeOp, testName, false);
+}
+
+bool testThreadedPathOp(skiatest::Reporter* reporter, const SkPath& a, const SkPath& b,
+                 const SkPathOp shapeOp, const char* testName) {
+    return innerPathOp(reporter, a, b, shapeOp, testName, true);
+}
+
 int initializeTests(skiatest::Reporter* reporter, const char* test) {
 #ifdef SK_DEBUG
     gDebugMaxWindSum = 4;