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97 lines
2.7 KiB
C#
97 lines
2.7 KiB
C#
using System;
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class Test
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{
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char charValue;
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byte byteValue;
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sbyte sbyteValue;
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short shortValue;
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ushort ushortValue;
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int intValue;
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uint uintValue;
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long longValue;
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ulong ulongValue;
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void f()
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{
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bool good, bad;
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bad = uintValue < 0; // $ Alert
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bad = 0 > uintValue; // $ Alert
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bad = 0 <= uintValue; // $ Alert
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bad = uintValue >= 0; // $ Alert
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bad = uintValue == -1; // $ Alert
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bad = uintValue != -1; // $ Alert
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bad = 256 == byteValue; // $ Alert
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bad = 256 != byteValue; // $ Alert
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bad = 1 != 0; // $ Alert
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good = byteValue == 50;
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good = 50 != byteValue;
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good = 1u < intValue;
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good = intValue > 1u;
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good = intValue <= 1u;
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good = 1u >= intValue;
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good = charValue >= '0';
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good = charValue < '0';
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// Test ranges
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bad = charValue <= 65535; // $ Alert
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bad = charValue >= 0; // $ Alert
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good = charValue < 255;
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good = charValue > 0;
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bad = byteValue >= byte.MinValue; // $ Alert
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bad = byteValue <= byte.MaxValue; // $ Alert
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good = byteValue > byte.MinValue;
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good = byteValue < byte.MaxValue;
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bad = sbyteValue >= sbyte.MinValue; // $ Alert
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bad = sbyteValue <= sbyte.MaxValue; // $ Alert
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good = sbyteValue < sbyte.MaxValue;
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good = sbyteValue > sbyte.MinValue;
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bad = shortValue >= short.MinValue; // $ Alert
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bad = shortValue <= short.MaxValue; // $ Alert
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good = shortValue > short.MinValue;
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good = shortValue < short.MaxValue;
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bad = ushortValue >= ushort.MinValue; // $ Alert
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bad = ushortValue <= ushort.MaxValue; // $ Alert
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good = ushortValue > ushort.MinValue;
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good = ushortValue < ushort.MaxValue;
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bad = intValue >= int.MinValue; // $ Alert
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bad = intValue <= int.MaxValue; // $ Alert
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good = intValue > int.MinValue;
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good = intValue < int.MaxValue;
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bad = uintValue >= uint.MinValue; // $ Alert
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good = uintValue > uint.MinValue;
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bad = ulongValue >= ulong.MinValue; // $ Alert
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good = ulongValue > ulong.MinValue;
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// Explicit casts can cause large values to be truncated or
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// to wrap into negative values.
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good = (sbyte)byteValue >= 0;
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good = (sbyte)byteValue == -1;
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bad = (sbyte)byteValue > 127; // $ Alert
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bad = (sbyte)byteValue > (sbyte)127; // $ Alert
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good = (int)uintValue == -1;
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good = (sbyte)uintValue == -1;
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bad = (sbyte)uintValue == 256; // $ Alert
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System.Diagnostics.Debug.Assert(ulongValue >= ulong.MinValue); // GOOD
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}
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}
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