src/third_party/skia/tests/AsADashTest.cpp

   1 /*
   2  * Copyright 2014 Google Inc.
   3  *
   4  * Use of this source code is governed by a BSD-style license that can be
   5  * found in the LICENSE file.
   6  */
   7
   8 #include "Test.h"
   9
  10 #include "SkPathEffect.h"
  11 #include "SkDashPathEffect.h"
  12 #include "SkCornerPathEffect.h"
  13
  14 DEF_TEST(AsADashTest_noneDash, reporter) {
  15     SkAutoTUnref<SkCornerPathEffect> pe(SkCornerPathEffect::Create(1.0));
  16     SkPathEffect::DashInfo info;
  17
  18     SkPathEffect::DashType dashType = pe->asADash(&info);
  19     REPORTER_ASSERT(reporter, SkPathEffect::kNone_DashType == dashType);
  20 }
  21
  22 DEF_TEST(AsADashTest_nullInfo, reporter) {
  23     SkScalar inIntervals[] = { 4.0, 2.0, 1.0, 3.0 };
  24     const SkScalar phase = 2.0;
  25     SkAutoTUnref<SkDashPathEffect> pe(SkDashPathEffect::Create(inIntervals, 4, phase));
  26
  27     SkPathEffect::DashType dashType = pe->asADash(NULL);
  28     REPORTER_ASSERT(reporter, SkPathEffect::kDash_DashType == dashType);
  29 }
  30
  31 DEF_TEST(AsADashTest_usingDash, reporter) {
  32     SkScalar inIntervals[] = { 4.0, 2.0, 1.0, 3.0 };
  33     SkScalar totalIntSum = 10.0;
  34     const SkScalar phase = 2.0;
  35
  36     SkAutoTUnref<SkDashPathEffect> pe(SkDashPathEffect::Create(inIntervals, 4, phase));
  37
  38     SkPathEffect::DashInfo info;
  39
  40     SkPathEffect::DashType dashType = pe->asADash(&info);
  41     REPORTER_ASSERT(reporter, SkPathEffect::kDash_DashType == dashType);
  42     REPORTER_ASSERT(reporter, 4 == info.fCount);
  43     REPORTER_ASSERT(reporter, SkScalarMod(phase, totalIntSum) == info.fPhase);
  44
  45     // Since it is a kDash_DashType, allocate space for the intervals and recall asADash
  46     SkAutoTArray<SkScalar> intervals(info.fCount);
  47     info.fIntervals = intervals.get();
  48     pe->asADash(&info);
  49     REPORTER_ASSERT(reporter, inIntervals[0] == info.fIntervals[0]);
  50     REPORTER_ASSERT(reporter, inIntervals[1] == info.fIntervals[1]);
  51     REPORTER_ASSERT(reporter, inIntervals[2] == info.fIntervals[2]);
  52     REPORTER_ASSERT(reporter, inIntervals[3] == info.fIntervals[3]);
  53
  54     // Make sure nothing else has changed on us
  55     REPORTER_ASSERT(reporter, 4 == info.fCount);
  56     REPORTER_ASSERT(reporter, SkScalarMod(phase, totalIntSum) == info.fPhase);
  57 }