Change random number generator for tests to SkMWCRandom

tests/ClipStackTest.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "Test.h"
 #if SK_SUPPORT_GPU
     #include "GrReducedClip.h"
@@ skipping 802 matching lines @@
 
     // We want to test inverse fills. However, they are quite rare in practice so don't over do it.
     static const SkScalar kFractionInverted = SK_Scalar1 / kMaxElemsPerTest;
 
     static const AddElementFunc kElementFuncs[] = {
         add_rect,
         add_round_rect,
         add_oval,
     };
 
-    SkRandom r;
+    SkMWCRandom r;
 
     for (int i = 0; i < kNumTests; ++i) {
         // Randomly generate a clip stack.
         SkClipStack stack;
         int numElems = r.nextRangeU(kMinElemsPerTest, kMaxElemsPerTest);
         for (int e = 0; e < numElems; ++e) {
             SkRegion::Op op = kOps[r.nextULessThan(SK_ARRAY_COUNT(kOps))];
             if (op == SkRegion::kReplace_Op) {
                 if (r.nextU() % kReplaceDiv) {
                     --e;
@@ skipping 23 matching lines @@
         SkRect inflatedBounds = kBounds;
         inflatedBounds.outset(kBounds.width() / 2, kBounds.height() / 2);
         SkIRect inflatedIBounds;
         inflatedBounds.roundOut(&inflatedIBounds);
 
         typedef GrReducedClip::ElementList ElementList;
         // Get the reduced version of the stack.
         ElementList reducedClips;
 
         GrReducedClip::InitialState initial;
-        SkIRect tBounds;
+        SkIRect tBounds(inflatedIBounds);
         SkIRect* tightBounds = r.nextBool() ? &tBounds : NULL;
         GrReducedClip::ReduceClipStack(stack,
                                        inflatedIBounds,
                                        &reducedClips,
                                        &initial,
                                        tightBounds);
 
         // Build a new clip stack based on the reduced clip elements
         SkClipStack reducedStack;
         if (GrReducedClip::kAllOut_InitialState == initial) {
@@ skipping 74 matching lines @@
     test_rect_merging(reporter);
     test_rect_inverse_fill(reporter);
     test_quickContains(reporter);
 #if SK_SUPPORT_GPU
     test_reduced_clip_stack(reporter);
 #endif
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("ClipStack", TestClipStackClass, TestClipStack)