skia2/tests/DashPathEffectTest.cpp
2014-03-18 17:38:34 +00:00

22 lines
883 B
C++

#include "Test.h"
#include "SkDashPathEffect.h"
#include "SkWriteBuffer.h"
// crbug.com/348821 was rooted in SkDashPathEffect refusing to flatten and unflatten itself when
// fInitialDashLength < 0 (a signal the effect is nonsense). Here we test that it flattens.
DEF_TEST(DashPathEffectTest_crbug_348821, r) {
SkScalar intervals[] = { 1.76934361e+36f, 2.80259693e-45f }; // Values from bug.
const int count = 2;
SkScalar phase = SK_ScalarInfinity; // Used to force the bad fInitialDashLength = -1 path.
SkAutoTUnref<SkDashPathEffect> dash(SkDashPathEffect::Create(intervals, count, phase));
// NULL -> refuses to work with flattening framework.
REPORTER_ASSERT(r, dash->getFactory() != NULL);
SkWriteBuffer buffer;
buffer.writeFlattenable(dash);
REPORTER_ASSERT(r, buffer.bytesWritten() > 12); // We'd write 12 if broken, >=40 if not.
}