xref: /third_party/skia/tests/AsADashTest.cpp (revision cb93a386) 
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 "include/core/SkPathEffect.h"
9#include "include/core/SkRefCnt.h"
10#include "include/core/SkScalar.h"
11#include "include/effects/SkCornerPathEffect.h"
12#include "include/effects/SkDashPathEffect.h"
13#include "include/private/SkTemplates.h"
14#include "tests/Test.h"
15
16DEF_TEST(AsADashTest_noneDash, reporter) {
17    sk_sp<SkPathEffect> pe(SkCornerPathEffect::Make(1.0));
18    SkPathEffect::DashInfo info;
19
20    SkPathEffect::DashType dashType = pe->asADash(&info);
21    REPORTER_ASSERT(reporter, SkPathEffect::kNone_DashType == dashType);
22}
23
24DEF_TEST(AsADashTest_nullInfo, reporter) {
25    SkScalar inIntervals[] = { 4.0, 2.0, 1.0, 3.0 };
26    const SkScalar phase = 2.0;
27    sk_sp<SkPathEffect> pe(SkDashPathEffect::Make(inIntervals, 4, phase));
28
29    SkPathEffect::DashType dashType = pe->asADash(nullptr);
30    REPORTER_ASSERT(reporter, SkPathEffect::kDash_DashType == dashType);
31}
32
33DEF_TEST(AsADashTest_usingDash, reporter) {
34    SkScalar inIntervals[] = { 4.0, 2.0, 1.0, 3.0 };
35    SkScalar totalIntSum = 10.0;
36    const SkScalar phase = 2.0;
37
38    sk_sp<SkPathEffect> pe(SkDashPathEffect::Make(inIntervals, 4, phase));
39
40    SkPathEffect::DashInfo info;
41
42    SkPathEffect::DashType dashType = pe->asADash(&info);
43    REPORTER_ASSERT(reporter, SkPathEffect::kDash_DashType == dashType);
44    REPORTER_ASSERT(reporter, 4 == info.fCount);
45    REPORTER_ASSERT(reporter, SkScalarMod(phase, totalIntSum) == info.fPhase);
46
47    // Since it is a kDash_DashType, allocate space for the intervals and recall asADash
48    SkAutoTArray<SkScalar> intervals(info.fCount);
49    info.fIntervals = intervals.get();
50    pe->asADash(&info);
51    REPORTER_ASSERT(reporter, inIntervals[0] == info.fIntervals[0]);
52    REPORTER_ASSERT(reporter, inIntervals[1] == info.fIntervals[1]);
53    REPORTER_ASSERT(reporter, inIntervals[2] == info.fIntervals[2]);
54    REPORTER_ASSERT(reporter, inIntervals[3] == info.fIntervals[3]);
55
56    // Make sure nothing else has changed on us
57    REPORTER_ASSERT(reporter, 4 == info.fCount);
58    REPORTER_ASSERT(reporter, SkScalarMod(phase, totalIntSum) == info.fPhase);
59}
60