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authorGravatar Hal Canary <halcanary@google.com>2017-02-16 12:42:24 -0500
committerGravatar Skia Commit-Bot <skia-commit-bot@chromium.org>2017-02-18 13:34:30 +0000
commit251bf3e089b7422980e39bff38623c5b726c2ee4 (patch)
tree82f97c70c53a35c67c66f5a74b33931bfcea831f /tests
parent16fcb230cc3ed663f88238760409f415872b85b3 (diff)
SkRegion deserialization more robust
BUG=chromium:688987 Change-Id: Ide6d70330c8cd1fce814eb2c445da1fbff498ef6 Reviewed-on: https://skia-review.googlesource.com/8496 Commit-Queue: Hal Canary <halcanary@google.com> Reviewed-by: Kevin Lubick <kjlubick@google.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/RegionTest.cpp58
1 files changed, 58 insertions, 0 deletions
diff --git a/tests/RegionTest.cpp b/tests/RegionTest.cpp
index 172082248a..f2a3d02787 100644
--- a/tests/RegionTest.cpp
+++ b/tests/RegionTest.cpp
@@ -271,6 +271,11 @@ static void test_write(const SkRegion& region, skiatest::Reporter* r) {
SkAutoMalloc storage(bytesNeeded);
const size_t bytesWritten = region.writeToMemory(storage.get());
REPORTER_ASSERT(r, bytesWritten == bytesNeeded);
+
+ // Also check that the bytes are meaningful.
+ SkRegion copy;
+ REPORTER_ASSERT(r, copy.readFromMemory(storage.get(), bytesNeeded));
+ REPORTER_ASSERT(r, region == copy);
}
DEF_TEST(Region_writeToMemory, r) {
@@ -291,3 +296,56 @@ DEF_TEST(Region_writeToMemory, r) {
REPORTER_ASSERT(r, region.isComplex());
test_write(region, r);
}
+
+DEF_TEST(Region_readFromMemory_bad, r) {
+ // These assume what our binary format is: conceivably we could change it
+ // and might need to remove or change some of these tests.
+ SkRegion region;
+
+ static const char data0[] =
+ "\2\0\0\0\277]\345\222\\\2G\252\0\177'\10\203\236\211>\377\340@\351"
+ "!\370y\3\31\232r\353\343\336Ja\177\377\377\377\244\301\362:Q\\\0\0"
+ "\1\200\263\214\374\276\336P\225^\230\20UH N\265\357\177\240\0\306\377"
+ "\177\346\222S \0\375\0\332\247 \302I\240H\374\200lk\r`\0375\324W\215"
+ "\270tE^,\224n\310fy\377\231AH\16\235A\371\315\347\360\265\372r\232"
+ "\301\216\35\227:\265]\32\20W\263yc\207\246\270tE^,\224n\310sy\2\0A"
+ "\14\241SQ\\\303\364\0\0\1\200\0\0\374k\r`\0375\324Wp\270\267\313\313"
+ "\313\313\313@\277\365b\341\343\336Ja\357~\263\0\2\333\260\220\\\303"
+ "\364\265\332\267\242\325nlX\367\27I4444;\266\256\37/M\207";
+ size_t data0length = 221;
+ REPORTER_ASSERT(r, 0 == region.readFromMemory(data0, data0length));
+
+ static const char data1[] =
+ "\2\0\0\0\\\2G\252\0\177'\10\247 \302I\240H\374\200lk\r`\0375\324Wr"
+ "\232\301\216\35\227:\265]\32\20W\263yc\207\246\270tE^,\224n\310sy\2"
+ "\0A\14\241SQ\\\303\364\0\0\1\200\0\0\374k\r`\0375\324Wp\270\267\313"
+ "\313\313\313\313@\277\365b\341\343\336Ja\357~\263\0\2\333\260\220\\"
+ "\303\364\265\332\267\242\325nlX\367\27I4444;\266\256\37/M\207";
+ size_t data1length = 129;
+ REPORTER_ASSERT(r, 0 == region.readFromMemory(data1, data1length));
+
+ static const char data2[] =
+ " \0\0\0`\6\363\234AH\26\235\0\0\0\0\251\217\27I\27C\361,\320u\3171"
+ "\10.\206\277]\345\222\334\2C\252\242a'\10\251\31\326\372\334A\277\30"
+ "\240M\275v\201\271\3527\215{)S\3771{\345Z\250\23\213\331\23j@\13\220"
+ "\200Z^-\20\212=;\355\314\36\260c\224M\16\271Szy\373\204M\21\177\251"
+ "\275\r\274M\370\201\243^@\343\236JaS\204\3212\244\301\327\22\352KI"
+ "\207\350z\300\250\372\26\14\2\233K\330\16\251\230\223\r\"\243\271\17"
+ ")\260\262\2[a.*.4\14\344\307\350\3\0\0-\350G!\31\300\205\205\205\205"
+ "\205\205\205\205\205\205\205\205\205\205\205\205\305m\311<Q\347\30"
+ "\324\203f\2614\3115\206\214@:\346n\254\37\225\263\214\374\276\336\23"
+ "\270\304\262\25\24_\342\223\253\351L\30\372\373\243\240g\0367V\336"
+ "P\7-1{\345Z\250\23\213P\225^\230\27UH\206N\265\357\177\262\302\306"
+ "kk\7\233\234N\32@\355H\327\34\337\0V\30 \225\35\225\233\253\0144>\310"
+ "\352\346L\232\215\270t[^,\224l\312f\2025?}\1ZL\217wf8C\346\222S\240"
+ "\203\375\374\332\247 \302I\271H\0\0lk\22`\0375\324W\374\265\342\243"
+ "yL\211\215\270tE^,\224l\312f\2025?}\1ZL\217wf8C\333\370_.\277A\277"
+ "^\\\313!\342\340\213\210\244\272\33\275\360\301\347\315\377\6a\272"
+ "kyi:W\332\366\5\312F\217c\243\20,\"\240\347o\375\277\317}HEji\367\374"
+ "\331\214\314\242x\356\340\350\362r$\222\266\325\201\234\267P\243N\361"
+ "++++++++\370+@++\205!8B\255L\3\3416\335$\\\r\265W[F\326\316w{.\306"
+ ">f2i\244\242=Y\236\364\302\357xR:Q\\\303\364\265\332\200\242\325nl"
+ "X\373\307\5<-";
+ size_t data2length = 512;
+ REPORTER_ASSERT(r, 0 == region.readFromMemory(data2, data2length));
+}