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-rw-r--r--test/unit/util/integer_black.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/test/unit/util/integer_black.h b/test/unit/util/integer_black.h
index 57ae247ac..f4bd1f8b8 100644
--- a/test/unit/util/integer_black.h
+++ b/test/unit/util/integer_black.h
@@ -294,4 +294,46 @@ public:
TS_ASSERT_EQUALS( Integer(1000), Integer(10).pow(3) );
TS_ASSERT_EQUALS( Integer(-1000), Integer(-10).pow(3) );
}
+
+ void testTestBit() {
+ TS_ASSERT( ! Integer(0).testBit(6) );
+ TS_ASSERT( ! Integer(0).testBit(5) );
+ TS_ASSERT( ! Integer(0).testBit(4) );
+ TS_ASSERT( ! Integer(0).testBit(3) );
+ TS_ASSERT( ! Integer(0).testBit(2) );
+ TS_ASSERT( ! Integer(0).testBit(1) );
+ TS_ASSERT( ! Integer(0).testBit(0) );
+
+ TS_ASSERT( Integer(-1).testBit(6) );
+ TS_ASSERT( Integer(-1).testBit(5) );
+ TS_ASSERT( Integer(-1).testBit(4) );
+ TS_ASSERT( Integer(-1).testBit(3) );
+ TS_ASSERT( Integer(-1).testBit(2) );
+ TS_ASSERT( Integer(-1).testBit(1) );
+ TS_ASSERT( Integer(-1).testBit(0) );
+
+ TS_ASSERT( ! Integer(10).testBit(6) );
+ TS_ASSERT( ! Integer(10).testBit(5) );
+ TS_ASSERT( ! Integer(10).testBit(4) );
+ TS_ASSERT( Integer(10).testBit(3) );
+ TS_ASSERT( ! Integer(10).testBit(2) );
+ TS_ASSERT( Integer(10).testBit(1) );
+ TS_ASSERT( ! Integer(10).testBit(0) );
+
+ TS_ASSERT( ! Integer(14).testBit(6) );
+ TS_ASSERT( ! Integer(14).testBit(5) );
+ TS_ASSERT( ! Integer(14).testBit(4) );
+ TS_ASSERT( Integer(14).testBit(3) );
+ TS_ASSERT( Integer(14).testBit(2) );
+ TS_ASSERT( Integer(14).testBit(1) );
+ TS_ASSERT( ! Integer(14).testBit(0) );
+
+ TS_ASSERT( Integer(64).testBit(6) );
+ TS_ASSERT( ! Integer(64).testBit(5) );
+ TS_ASSERT( ! Integer(64).testBit(4) );
+ TS_ASSERT( ! Integer(64).testBit(3) );
+ TS_ASSERT( ! Integer(64).testBit(2) );
+ TS_ASSERT( ! Integer(64).testBit(1) );
+ TS_ASSERT( ! Integer(64).testBit(0) );
+ }
};
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