1 files changed, 66 insertions, 0 deletions
diff --git a/tests/BitSetTest.cpp b/tests/BitSetTest.cpp
new file mode 100644
index 0000000000..96bf80f9b1
--- /dev/null
+++ b/tests/BitSetTest.cpp
@@ -0,0 +1,66 @@
+#include "Test.h"
+#include "SkBitSet.h"
+
+static void TestBitSet(skiatest::Reporter* reporter) {
+    SkBitSet set0(65536);
+    REPORTER_ASSERT(reporter, set0.isBitSet(0) == false);
+    REPORTER_ASSERT(reporter, set0.isBitSet(32767) == false);
+    REPORTER_ASSERT(reporter, set0.isBitSet(65535) == false);
+
+    SkBitSet set1(65536);
+    REPORTER_ASSERT(reporter, set0 == set1);
+
+    set0.setBit(22, true);
+    REPORTER_ASSERT(reporter, set0.isBitSet(22) == true);
+    set0.setBit(24, true);
+    REPORTER_ASSERT(reporter, set0.isBitSet(24) == true);
+    set0.setBit(35, true);  // on a different DWORD
+    REPORTER_ASSERT(reporter, set0.isBitSet(35) == true);
+    set0.setBit(22, false);
+    REPORTER_ASSERT(reporter, set0.isBitSet(22) == false);
+    REPORTER_ASSERT(reporter, set0.isBitSet(24) == true);
+    REPORTER_ASSERT(reporter, set0.isBitSet(35) == true);
+
+    set1.setBit(12345, true);
+    set1.orBits(set0);
+    REPORTER_ASSERT(reporter, set0.isBitSet(12345) == false);
+    REPORTER_ASSERT(reporter, set1.isBitSet(12345) == true);
+    REPORTER_ASSERT(reporter, set1.isBitSet(22) == false);
+    REPORTER_ASSERT(reporter, set1.isBitSet(24) == true);
+    REPORTER_ASSERT(reporter, set0.isBitSet(35) == true);
+    REPORTER_ASSERT(reporter, set1 != set0);
+
+    set1.clearAll();
+    REPORTER_ASSERT(reporter, set0.isBitSet(12345) == false);
+    REPORTER_ASSERT(reporter, set1.isBitSet(12345) == false);
+    REPORTER_ASSERT(reporter, set1.isBitSet(22) == false);
+    REPORTER_ASSERT(reporter, set1.isBitSet(24) == false);
+    REPORTER_ASSERT(reporter, set1.isBitSet(35) == false);
+
+    set1.orBits(set0);
+    REPORTER_ASSERT(reporter, set1 == set0);
+
+    SkBitSet set2(1);
+    SkBitSet set3(1);
+    SkBitSet set4(4);
+    SkBitSet set5(33);
+
+    REPORTER_ASSERT(reporter, set2 == set3);
+    REPORTER_ASSERT(reporter, set2 != set4);
+    REPORTER_ASSERT(reporter, set2 != set5);
+
+    set2.setBit(0, true);
+    REPORTER_ASSERT(reporter, set2 != set5);
+    set5.setBit(0, true);
+    REPORTER_ASSERT(reporter, set2 != set5);
+    REPORTER_ASSERT(reporter, set2 != set3);
+    set3.setBit(0, true);
+    REPORTER_ASSERT(reporter, set2 == set3);
+    set3.clearAll();
+    set3 = set2;
+    set2 = set2;
+    REPORTER_ASSERT(reporter, set2 == set3);
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("BitSet", BitSetTest, TestBitSet)