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[RISC-V] Test TotalOrderIeee754ComparerTests: Fix NFloat - NaN testcases for RISC-V #97340

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merged 5 commits into from
Feb 1, 2024
Merged

[RISC-V] Test TotalOrderIeee754ComparerTests: Fix NFloat - NaN testcases for RISC-V #97340

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18cd0cd
Fix ieeeComparerTests NFloat NaN testcases for RISC-V
Jan 22, 2024
0992c57
Fix comment
Jan 22, 2024
ee575ae
Specify test data for NaN test cases based on platform bitness
Jan 29, 2024
fec33c4
Delete extra comment
Jan 30, 2024
1f804db
Fix CI failure
Jan 31, 2024
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36 changes: 34 additions & 2 deletions ...stem.Runtime/tests/System.Runtime.Tests/System/Numerics/TotalOrderIeee754ComparerTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -94,9 +94,41 @@ public void TotalOrderTestHalf(Half x, Half y, int result)
Assert.Equal(result, Math.Sign(comparer.Compare(x, y)));
}

public static IEnumerable<object[]> NFloatTestData
{
get
{
yield return new object[] { 0.0f, 0.0f, 0 };
yield return new object[] { -0.0f, -0.0f, 0 };
yield return new object[] { 0.0f, -0.0f, 1 };
yield return new object[] { -0.0f, 0.0f, -1 };
yield return new object[] { 0.0f, 1.0f, -1 };
yield return new object[] { NFloat.PositiveInfinity, 1.0f, 1 };
yield return new object[] { NFloat.NaN, NFloat.NaN, 0 };
if (Environment.Is64BitProcess)
{
yield return new object[] { BitConverter.UInt64BitsToDouble(0x7FF80000_00000000), 1.0d, 1 };
yield return new object[] { BitConverter.UInt64BitsToDouble(0x7FF80000_00000000), NFloat.PositiveInfinity, 1 };
yield return new object[] { BitConverter.UInt64BitsToDouble(0xFFF80000_00000000), NFloat.NegativeInfinity, -1 };
yield return new object[] { BitConverter.UInt64BitsToDouble(0xFFF80000_00000000), -1.0d, -1 };
yield return new object[] { BitConverter.UInt64BitsToDouble(0xFFF80000_00000000), BitConverter.UInt64BitsToDouble(0x7FF80000_00000000), -1 };
yield return new object[] { BitConverter.UInt64BitsToDouble(0x7FF80000_00000000), BitConverter.UInt64BitsToDouble(0x7FF80000_00000001), -1 };
}
else
{
yield return new object[] { BitConverter.UInt32BitsToSingle(0x7FC00000), 1.0f, 1 };
yield return new object[] { BitConverter.UInt32BitsToSingle(0x7FC00000), NFloat.PositiveInfinity, 1 };
yield return new object[] { BitConverter.UInt32BitsToSingle(0xFFC00000), NFloat.NegativeInfinity, -1 };
yield return new object[] { BitConverter.UInt32BitsToSingle(0xFFC00000), -1.0f, -1 };
yield return new object[] { BitConverter.UInt32BitsToSingle(0xFFC00000), BitConverter.UInt32BitsToSingle(0x7FC00000), -1 };
yield return new object[] { BitConverter.UInt32BitsToSingle(0x7FC00000), BitConverter.UInt32BitsToSingle(0x7FC00001), -1 };
}
}
}

[Theory]
[MemberData(nameof(SingleTestData))]
public void TotalOrderTestNFloat(float x, float y, int result)
[MemberData(nameof(NFloatTestData))]
public void TotalOrderTestNFloat(NFloat x, NFloat y, int result)
{
var comparer = new TotalOrderIeee754Comparer<NFloat>();
Assert.Equal(result, Math.Sign(comparer.Compare(x, y)));
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