File size: 4,151 Bytes
8c763fb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | # Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
$baseTypes = @{
[SByte] = 'sbyte'; [Byte] = 'byte'
[Int16] = 'short'; [UInt16] = 'ushort'
[Int32] = 'int'; [UInt32] = 'uint'
[Int64] = 'long'; [UInt64] = 'ulong'
}
$ns = [Guid]::NewGuid() -replace '-',''
$typeDefinition = "namespace ns_$ns`n{"
foreach ($baseType in $baseTypes.Keys)
{
$baseTypeName = $baseTypes[$baseType]
$typeDefinition += @"
public enum E_$baseTypeName : $baseTypeName
{
Min = $($baseType::MinValue),
MinPlus1 = $($baseType::MinValue + 1),
MaxMinus1 = $($baseType::MaxValue - 1),
Max = $($baseType::MaxValue)
}
"@
}
$typeDefinition += "`n}"
Write-Verbose $typeDefinition -verbose
$enumTypeNames = Add-Type $typeDefinition -Pass
Describe "bnot on enums" -Tags "CI" {
foreach ($enumType in [type[]]$enumTypeNames)
{
Context $enumType.Name {
It "max - 1" {
$res = -bnot $enumType::MaxMinus1
$res | Should -Be $enumType::MinPlus1
$res | Should -BeOfType $enumType
}
It "min + 1" {
$res = -bnot $enumType::MinPlus1
$res | Should -Be $enumType::MaxMinus1
$res | Should -BeOfType $enumType
}
It "Max" {
$res = -bnot $enumType::Max
$res | Should -Be $enumType::Min
$res | Should -BeOfType $enumType
}
It "Min" {
$res = -bnot $enumType::Min
$res | Should -Be $enumType::Max
$res | Should -BeOfType $enumType
}
}
}
}
Describe "bnot on integral types" -Tags "CI" {
foreach ($baseType in $baseTypes.Keys)
{
Context $baseType.Name {
$max = $baseType::MaxValue
$maxMinus1 = $max - 1
$min = $baseType::MinValue
$minPlus1 = $min + 1
if ([System.Runtime.InteropServices.Marshal]::SizeOf([type]$baseType) -lt 4)
{
$expectedResultType = [int]
}
else
{
$expectedResultType = $baseType
}
if ($baseType -eq [byte] -or $baseType -eq [uint16])
{
# Because of type promotion rules, unsigned types smaller than int
# don't quite follow the pattern of "flip all the bits", so our
# tests are a little different.
It "max - 1" {
$res = -bnot $maxMinus1
$res | Should -Be (-bnot [int]$maxMinus1)
$res | Should -BeOfType $expectedResultType
}
It "min + 1" {
$res = -bnot $minPlus1
$res | Should -Be (-bnot [int]$minPlus1)
$res | Should -BeOfType $expectedResultType
}
It "max" {
$res = -bnot $max
$res | Should -Be (-bnot [int]$max)
$res | Should -BeOfType $expectedResultType
}
It "min" {
$res = -bnot $min
$res | Should -Be (-bnot [int]$min)
$res | Should -BeOfType $expectedResultType
}
return
}
It "max - 1" {
$res = -bnot $maxMinus1
$res | Should -Be $minPlus1
$res | Should -BeOfType $expectedResultType
}
It "min + 1" {
$res = -bnot $minPlus1
$res | Should -Be $maxMinus1
$res | Should -BeOfType $expectedResultType
}
It "max" {
$res = -bnot $max
$res | Should -Be $min
$res | Should -BeOfType $expectedResultType
}
It "min" {
$res = -bnot $min
$res | Should -Be $max
$res | Should -BeOfType $expectedResultType
}
}
}
}
|