A bit set class. Will be used for font subsetting.
Committed on behalf of arthurhsu@chromium.org with a few final nits.
Original CL: http://codereview.appspot.com/4627077
Review URL: http://codereview.appspot.com/4657070
git-svn-id: http://skia.googlecode.com/svn/trunk@1788 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/BitSetTest.cpp b/tests/BitSetTest.cpp
new file mode 100644
index 0000000..96bf80f
--- /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)