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新增api补齐单元测试

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neko 2020-09-28 14:08:22 +08:00 committed by GitHub
parent e59987a334
commit 77cc55a277
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1 changed files with 10 additions and 0 deletions
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hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
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@ -252,4 +252,14 @@ public class NumberUtilTest {
final BigDecimal mul = NumberUtil.mul(new BigDecimal("10"), null);
Assert.assertEquals(BigDecimal.ZERO, mul);
}
@Test
public void isPowerOfTwoTest() {
Assert.assertEquals(false, NumberUtil.isPowerOfTwo(-1));
Assert.assertEquals(true, NumberUtil.isPowerOfTwo(16));
Assert.assertEquals(true, NumberUtil.isPowerOfTwo(65536));
Assert.assertEquals(true, NumberUtil.isPowerOfTwo(1));
Assert.assertEquals(false, NumberUtil.isPowerOfTwo(17));
}
}