src/third_party/skia/tests/RecordPatternTest.cpp

   1 #include "Test.h"
   2
   3 #include "SkRecord.h"
   4 #include "SkRecordPattern.h"
   5 #include "SkRecorder.h"
   6 #include "SkRecords.h"
   7
   8 using namespace SkRecords;
   9 typedef Pattern3<Is<Save>,
  10                  Is<ClipRect>,
  11                  Is<Restore> >
  12     SaveClipRectRestore;
  13
  14 DEF_TEST(RecordPattern_Simple, r) {
  15     SaveClipRectRestore pattern;
  16
  17     SkRecord record;
  18     REPORTER_ASSERT(r, !pattern.match(&record, 0));
  19
  20     SkRecorder recorder(&record, 1920, 1200);
  21
  22     // Build up a save-clip-restore block.  The pattern will match only it's complete.
  23     recorder.save();
  24     REPORTER_ASSERT(r, !pattern.match(&record, 0));
  25
  26     recorder.clipRect(SkRect::MakeWH(300, 200));
  27     REPORTER_ASSERT(r, !pattern.match(&record, 0));
  28
  29     recorder.restore();
  30     REPORTER_ASSERT(r, pattern.match(&record, 0));
  31     REPORTER_ASSERT(r, pattern.first<Save>()      != NULL);
  32     REPORTER_ASSERT(r, pattern.second<ClipRect>() != NULL);
  33     REPORTER_ASSERT(r, pattern.third<Restore>()   != NULL);
  34 }
  35
  36 DEF_TEST(RecordPattern_StartingIndex, r) {
  37     SaveClipRectRestore pattern;
  38
  39     SkRecord record;
  40     SkRecorder recorder(&record, 1920, 1200);
  41
  42     // There will be two save-clipRect-restore blocks [0,3) and [3,6).
  43     for (int i = 0; i < 2; i++) {
  44         recorder.save();
  45             recorder.clipRect(SkRect::MakeWH(300, 200));
  46         recorder.restore();
  47     }
  48
  49     // We should match only at 0 and 3.  Going over the length should fail gracefully.
  50     for (unsigned i = 0; i < 8; i++) {
  51         if (i == 0 || i == 3) {
  52             REPORTER_ASSERT(r, pattern.match(&record, i) == i + 3);
  53         } else {
  54             REPORTER_ASSERT(r, !pattern.match(&record, i));
  55         }
  56     }
  57 }
  58
  59 DEF_TEST(RecordPattern_DontMatchSubsequences, r) {
  60     SaveClipRectRestore pattern;
  61
  62     SkRecord record;
  63     SkRecorder recorder(&record, 1920, 1200);
  64
  65     recorder.save();
  66         recorder.clipRect(SkRect::MakeWH(300, 200));
  67         recorder.drawRect(SkRect::MakeWH(600, 300), SkPaint());
  68     recorder.restore();
  69
  70     REPORTER_ASSERT(r, !pattern.match(&record, 0));
  71 }
  72
  73 DEF_TEST(RecordPattern_Star, r) {
  74     Pattern3<Is<Save>, Star<Is<ClipRect> >, Is<Restore> > pattern;
  75
  76     SkRecord record;
  77     SkRecorder recorder(&record, 1920, 1200);
  78
  79     recorder.save();
  80     recorder.restore();
  81     REPORTER_ASSERT(r, pattern.match(&record, 0));
  82
  83     recorder.save();
  84         recorder.clipRect(SkRect::MakeWH(300, 200));
  85     recorder.restore();
  86     REPORTER_ASSERT(r, pattern.match(&record, 2));
  87
  88     recorder.save();
  89         recorder.clipRect(SkRect::MakeWH(300, 200));
  90         recorder.clipRect(SkRect::MakeWH(100, 100));
  91     recorder.restore();
  92     REPORTER_ASSERT(r, pattern.match(&record, 5));
  93 }
  94
  95 DEF_TEST(RecordPattern_IsDraw, r) {
  96     Pattern3<Is<Save>, IsDraw, Is<Restore> > pattern;
  97
  98     SkRecord record;
  99     SkRecorder recorder(&record, 1920, 1200);
 100
 101     recorder.save();
 102         recorder.clipRect(SkRect::MakeWH(300, 200));
 103     recorder.restore();
 104
 105     REPORTER_ASSERT(r, !pattern.match(&record, 0));
 106
 107     SkPaint paint;
 108
 109     recorder.save();
 110         paint.setColor(0xEEAA8822);
 111         recorder.drawRect(SkRect::MakeWH(300, 200), paint);
 112     recorder.restore();
 113
 114     recorder.save();
 115         paint.setColor(0xFACEFACE);
 116         recorder.drawPaint(paint);
 117     recorder.restore();
 118
 119     REPORTER_ASSERT(r, pattern.match(&record, 3));
 120     REPORTER_ASSERT(r, pattern.first<Save>()    != NULL);
 121     REPORTER_ASSERT(r, pattern.second<SkPaint>()->getColor() == 0xEEAA8822);
 122     REPORTER_ASSERT(r, pattern.third<Restore>() != NULL);
 123
 124     REPORTER_ASSERT(r, pattern.match(&record, 6));
 125     REPORTER_ASSERT(r, pattern.first<Save>()    != NULL);
 126     REPORTER_ASSERT(r, pattern.second<SkPaint>()->getColor() == 0xFACEFACE);
 127     REPORTER_ASSERT(r, pattern.third<Restore>() != NULL);
 128 }
 129
 130 DEF_TEST(RecordPattern_Complex, r) {
 131     Pattern3<Is<Save>,
 132              Star<Not<Or3<Is<Save>,
 133                           Is<Restore>,
 134                           IsDraw> > >,
 135              Is<Restore> > pattern;
 136
 137     SkRecord record;
 138     SkRecorder recorder(&record, 1920, 1200);
 139
 140     recorder.save();
 141     recorder.restore();
 142     REPORTER_ASSERT(r, pattern.match(&record, 0) == 2);
 143
 144     recorder.save();
 145         recorder.save();
 146         recorder.restore();
 147     recorder.restore();
 148     REPORTER_ASSERT(r, !pattern.match(&record, 2));
 149     REPORTER_ASSERT(r, pattern.match(&record, 3) == 5);
 150
 151     recorder.save();
 152         recorder.clipRect(SkRect::MakeWH(300, 200));
 153     recorder.restore();
 154     REPORTER_ASSERT(r, pattern.match(&record, 6) == 9);
 155
 156     recorder.save();
 157         recorder.clipRect(SkRect::MakeWH(300, 200));
 158         recorder.drawRect(SkRect::MakeWH(100, 3000), SkPaint());
 159     recorder.restore();
 160     REPORTER_ASSERT(r, !pattern.match(&record, 9));
 161
 162     recorder.save();
 163         recorder.pushCull(SkRect::MakeWH(300, 200));
 164         recorder.clipRect(SkRect::MakeWH(300, 200));
 165         recorder.clipRect(SkRect::MakeWH(100, 400));
 166         recorder.popCull();
 167     recorder.restore();
 168     REPORTER_ASSERT(r, pattern.match(&record, 13) == 19);
 169
 170     // Same as above, but using pattern.search to step through matches.
 171     unsigned begin, end = 0;
 172     REPORTER_ASSERT(r, pattern.search(&record, &begin, &end));
 173     REPORTER_ASSERT(r, begin == 0);
 174     REPORTER_ASSERT(r, end == 2);
 175
 176     REPORTER_ASSERT(r, pattern.search(&record, &begin, &end));
 177     REPORTER_ASSERT(r, begin == 3);
 178     REPORTER_ASSERT(r, end == 5);
 179
 180     REPORTER_ASSERT(r, pattern.search(&record, &begin, &end));
 181     REPORTER_ASSERT(r, begin == 6);
 182     REPORTER_ASSERT(r, end == 9);
 183
 184     REPORTER_ASSERT(r, pattern.search(&record, &begin, &end));
 185     REPORTER_ASSERT(r, begin == 13);
 186     REPORTER_ASSERT(r, end == 19);
 187
 188     REPORTER_ASSERT(r, !pattern.search(&record, &begin, &end));
 189 }
 190
 191 DEF_TEST(RecordPattern_SaveLayerIsNotADraw, r) {
 192     Pattern1<IsDraw> pattern;
 193
 194     SkRecord record;
 195     SkRecorder recorder(&record, 1920, 1200);
 196     recorder.saveLayer(NULL, NULL);
 197
 198     REPORTER_ASSERT(r, !pattern.match(&record, 0));
 199 }