skia2/tests/RecordPatternTest.cpp
mtklein 24e7db8b2e Modernize SkRecordPattern.h
- Fold Or, Or3, Or4 into one flexible Or.
  - Fold Pattern1...Pattern7 into one flexible Pattern.
  - Rename Star Greedy

Still fighting with a flexible get<N>() method instead of first, second, third, etc.

BUG=skia:

Review URL: https://codereview.chromium.org/1465443002
2015-11-19 08:53:27 -08:00

153 lines
4.4 KiB
C++

/*
* Copyright 2015 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"
#include "SkRecord.h"
#include "SkRecordPattern.h"
#include "SkRecorder.h"
#include "SkRecords.h"
using namespace SkRecords;
typedef Pattern<Is<Save>,
Is<ClipRect>,
Is<Restore>>
SaveClipRectRestore;
DEF_TEST(RecordPattern_Simple, r) {
SaveClipRectRestore pattern;
SkRecord record;
REPORTER_ASSERT(r, !pattern.match(&record, 0));
SkRecorder recorder(&record, 1920, 1200);
// Build up a save-clip-restore block. The pattern will match only it's complete.
recorder.save();
REPORTER_ASSERT(r, !pattern.match(&record, 0));
recorder.clipRect(SkRect::MakeWH(300, 200));
REPORTER_ASSERT(r, !pattern.match(&record, 0));
recorder.restore();
REPORTER_ASSERT(r, pattern.match(&record, 0));
REPORTER_ASSERT(r, pattern.first<Save>() != nullptr);
REPORTER_ASSERT(r, pattern.second<ClipRect>() != nullptr);
REPORTER_ASSERT(r, pattern.third<Restore>() != nullptr);
}
DEF_TEST(RecordPattern_StartingIndex, r) {
SaveClipRectRestore pattern;
SkRecord record;
SkRecorder recorder(&record, 1920, 1200);
// There will be two save-clipRect-restore blocks [0,3) and [3,6).
for (int i = 0; i < 2; i++) {
recorder.save();
recorder.clipRect(SkRect::MakeWH(300, 200));
recorder.restore();
}
// We should match only at 0 and 3. Going over the length should fail gracefully.
for (int i = 0; i < 8; i++) {
if (i == 0 || i == 3) {
REPORTER_ASSERT(r, pattern.match(&record, i) == i + 3);
} else {
REPORTER_ASSERT(r, !pattern.match(&record, i));
}
}
}
DEF_TEST(RecordPattern_DontMatchSubsequences, r) {
SaveClipRectRestore pattern;
SkRecord record;
SkRecorder recorder(&record, 1920, 1200);
recorder.save();
recorder.clipRect(SkRect::MakeWH(300, 200));
recorder.drawRect(SkRect::MakeWH(600, 300), SkPaint());
recorder.restore();
REPORTER_ASSERT(r, !pattern.match(&record, 0));
}
DEF_TEST(RecordPattern_Greedy, r) {
Pattern<Is<Save>, Greedy<Is<ClipRect>>, Is<Restore>> pattern;
SkRecord record;
SkRecorder recorder(&record, 1920, 1200);
int index = 0;
recorder.save();
recorder.clipRect(SkRect::MakeWH(300, 200));
recorder.restore();
REPORTER_ASSERT(r, pattern.match(&record, index));
index += 3;
recorder.save();
recorder.clipRect(SkRect::MakeWH(300, 200));
recorder.clipRect(SkRect::MakeWH(100, 100));
recorder.restore();
REPORTER_ASSERT(r, pattern.match(&record, index));
}
DEF_TEST(RecordPattern_Complex, r) {
Pattern<Is<Save>,
Greedy<Not<Or<Is<Save>,
Is<Restore>,
IsDraw>>>,
Is<Restore>> pattern;
SkRecord record;
SkRecorder recorder(&record, 1920, 1200);
int start, begin, end;
start = record.count();
recorder.save();
recorder.clipRect(SkRect::MakeWH(300, 200));
recorder.restore();
REPORTER_ASSERT(r, pattern.match(&record, 0) == record.count());
end = start;
REPORTER_ASSERT(r, pattern.search(&record, &begin, &end));
REPORTER_ASSERT(r, begin == start);
REPORTER_ASSERT(r, end == record.count());
start = record.count();
recorder.save();
recorder.clipRect(SkRect::MakeWH(300, 200));
recorder.drawRect(SkRect::MakeWH(100, 3000), SkPaint());
recorder.restore();
REPORTER_ASSERT(r, !pattern.match(&record, start));
end = start;
REPORTER_ASSERT(r, !pattern.search(&record, &begin, &end));
start = record.count();
recorder.save();
recorder.clipRect(SkRect::MakeWH(300, 200));
recorder.clipRect(SkRect::MakeWH(100, 400));
recorder.restore();
REPORTER_ASSERT(r, pattern.match(&record, start) == record.count());
end = start;
REPORTER_ASSERT(r, pattern.search(&record, &begin, &end));
REPORTER_ASSERT(r, begin == start);
REPORTER_ASSERT(r, end == record.count());
REPORTER_ASSERT(r, !pattern.search(&record, &begin, &end));
}
DEF_TEST(RecordPattern_SaveLayerIsNotADraw, r) {
Pattern<IsDraw> pattern;
SkRecord record;
SkRecorder recorder(&record, 1920, 1200);
recorder.saveLayer(nullptr, nullptr);
REPORTER_ASSERT(r, !pattern.match(&record, 0));
}