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# Licensed under the MIT License.
Describe "Language Primitive Tests" -Tags "CI" {
It "Equality comparison with string and non-numeric type should not be culture sensitive" {
$date = [datetime]'2005,3,10'
$val = [System.Management.Automation.LanguagePrimitives]::Equals($date, "3/10/2005")
$val | Should -BeTrue
}
It "Test conversion of an PSObject with Null Base Object to bool" {
$mshObj = New-Object psobject
{ [System.Management.Automation.LanguagePrimitives]::ConvertTo($mshObj, [bool]) } | Should -BeTrue
}
It "Test conversion of an PSObject with Null Base Object to string" {
$mshObj = New-Object psobject
{ [System.Management.Automation.LanguagePrimitives]::ConvertTo($mshObj, [string]) -eq "" } | Should -BeTrue
}
It "Test conversion of an PSObject with Null Base Object to object" {
$mshObj = New-Object psobject
{ $mshObj -eq [System.Management.Automation.LanguagePrimitives]::ConvertTo($mshObj, [Object]) } | Should -BeTrue
}
It "Test Conversion of an IEnumerable to object[]" {
$col = [System.Diagnostics.Process]::GetCurrentProcess().Modules
$ObjArray = [System.Management.Automation.LanguagePrimitives]::ConvertTo($col, [object[]])
$ObjArray.Length | Should -Be $col.Count
}
It "Test convertion with .Net Core intrinsic type convertor" {
$result = [System.Management.Automation.LanguagePrimitives]::ConvertTo('2,3', [System.Drawing.Point])
$result | Should -BeOfType System.Drawing.Point
$result.X | Should -Be 2
$result.Y | Should -Be 3
$result = [System.Management.Automation.LanguagePrimitives]::ConvertTo([PSObject]'2,3', [System.Drawing.Point])
$result | Should -BeOfType System.Drawing.Point
$result.X | Should -Be 2
$result.Y | Should -Be 3
$result = [System.Management.Automation.LanguagePrimitives]::ConvertTo('http://test.site.com', [System.Uri])
$result | Should -BeOfType System.Uri
$result.AbsoluteUri | Should -BeExactly 'http://test.site.com/'
# accept relative URI path
$result = [System.Management.Automation.LanguagePrimitives]::ConvertTo('..\foo', [System.Uri])
$result | Should -BeOfType System.Uri
$result.OriginalString | Should -BeExactly '..\foo'
}
It "Test convertion with .Net Core intrinsic type convertor (Windows only types)" -Skip:(-not $IsWindows) {
$result = [System.Management.Automation.LanguagePrimitives]::ConvertTo('Microsoft Sans Serif,10', [System.Drawing.Font])
$result | Should -BeOfType System.Drawing.Font
$result.Size | Should -Be 10
$result.Name | Should -BeExactly 'Microsoft Sans Serif'
$result = [System.Management.Automation.LanguagePrimitives]::ConvertTo([PSObject]'Microsoft Sans Serif,10', [System.Drawing.Font])
$result | Should -BeOfType System.Drawing.Font
$result.Size | Should -Be 10
$result.Name | Should -BeExactly 'Microsoft Sans Serif'
}
It "Casting recursive array to bool should not cause crash" {
$a[0] = $a = [PSObject](, 1)
[System.Management.Automation.LanguagePrimitives]::IsTrue($a) | Should -BeTrue
}
It "LanguagePrimitives.GetEnumerable should treat 'DataTable' as Enumerable" {
$dt = [System.Data.DataTable]::new("test")
$dt.Columns.Add("Name", [string]) > $null
$dt.Columns.Add("Age", [string]) > $null
$dr = $dt.NewRow(); $dr["Name"] = "John"; $dr["Age"] = "20"
$dr2 = $dt.NewRow(); $dr["Name"] = "Susan"; $dr["Age"] = "25"
$dt.Rows.Add($dr); $dt.Rows.Add($dr2)
[System.Management.Automation.LanguagePrimitives]::IsObjectEnumerable($dt) | Should -BeTrue
$count = 0
[System.Management.Automation.LanguagePrimitives]::GetEnumerable($dt) | ForEach-Object { $count++ }
$count | Should -Be 2
}
It "TryCompare should succeed on int and string" {
$result = $null
[System.Management.Automation.LanguagePrimitives]::TryCompare(1, "1", [ref] $result) | Should -BeTrue
$result | Should -Be 0
}
It "TryCompare should fail on int and datetime" {
$result = $null
[System.Management.Automation.LanguagePrimitives]::TryCompare(1, [datetime]::Now, [ref] $result) | Should -BeFalse
}
It "TryCompare should succeed on int and int and compare correctly smaller" {
$result = $null
[System.Management.Automation.LanguagePrimitives]::TryCompare(1, 2, [ref] $result) | Should -BeTrue
$result | Should -BeExactly -1
}
It "TryCompare should succeed on string and string and compare correctly greater" {
$result = $null
[System.Management.Automation.LanguagePrimitives]::TryCompare("bbb", "aaa", [ref] $result) | Should -BeTrue
$result | Should -BeExactly 1
}
It "TryCompare should succeed on string and string and compare case insensitive correctly" {
$result = $null
[System.Management.Automation.LanguagePrimitives]::TryCompare("AAA", "aaa", $true, [ref] $result) | Should -BeTrue
$result | Should -BeExactly 0
}
It "TryCompare with cultureInfo is culture sensitive" {
$result = $null
$swedish = [cultureinfo] 'sv-SE'
# in Swedish, åäö appears at the end of the alphabet, and should compare greater than o
$val = [System.Management.Automation.LanguagePrimitives]::TryCompare("ooo", "ååå", $false, $swedish, [ref] $result)
$val | Should -BeTrue
$result | Should -BeExactly -1
}
It "TryCompare compares greater than null as Compare" {
$result = $null
$compareResult = [System.Management.Automation.LanguagePrimitives]::Compare($null, 10)
$val = [System.Management.Automation.LanguagePrimitives]::TryCompare($null, 10, [ref] $result)
$val | Should -BeTrue
$result | Should -BeExactly $compareResult
}
It "TryCompare compares less than null as Compare" {
$result = $null
$compareResult = [System.Management.Automation.LanguagePrimitives]::Compare(10, $null)
$val = [System.Management.Automation.LanguagePrimitives]::TryCompare(10, $null, [ref] $result)
$val | Should -BeTrue
$result | Should -BeExactly $compareResult
}
It "Convert ScriptBlock to delegate type" {
$code = @'
using System;
namespace Test.API
{
public enum TestEnum
{
Music,
Video
}
public class LanguagePrimitivesTest
{
Func<string, object> _handlerReturnObject;
Func<string, TestEnum> _handlerReturnEnum;
public LanguagePrimitivesTest(Func<string, object> handlerReturnObject, Func<string, TestEnum> handlerReturnEnum)
{
_handlerReturnObject = handlerReturnObject;
_handlerReturnEnum = handlerReturnEnum;
}
public bool TestHandlerReturnEnum()
{
var value = _handlerReturnEnum("bar");
return value == TestEnum.Music;
}
public bool TestHandlerReturnObject()
{
object value = _handlerReturnObject("bar");
return value is TestEnum;
}
}
}
'@
if (-not ("Test.API.TestEnum" -as [type]))
{
Add-Type -TypeDefinition $code
}
# The script actually returns a enum value, and the converted delegate should return the boxed enum value.
$handlerReturnObject = [System.Func[string, object]] { param([string]$str) [Test.API.TestEnum]::Music }
# The script actually returns a string, and the converted delegate should return the corresponding enum value.
$handlerReturnEnum = [System.Func[string, Test.API.TestEnum]] { param([string]$str) "Music" }
$test = [Test.API.LanguagePrimitivesTest]::new($handlerReturnObject, $handlerReturnEnum)
$test.TestHandlerReturnEnum() | Should -BeTrue
$test.TestHandlerReturnObject() | Should -BeTrue
}
It 'Handles large numbers with thousands separators that previously failed' {
$formattedNumber = "9223372036854775,807"
$convertedValue = [System.Management.Automation.LanguagePrimitives]::ConvertTo($formattedNumber, [bigint])
$convertedValue | Should -Be 9223372036854775807
}
It 'Handles extremely large numbers to verify precision' {
$formattedNumber = "99999999999999999999999999999"
$convertedValue = [System.Management.Automation.LanguagePrimitives]::ConvertTo($formattedNumber, [bigint])
$convertedValue | Should -Be 99999999999999999999999999999
}
It 'Parses mixed separators correctly' {
$formattedNumber = "1,0000,00"
$convertedValue = [System.Management.Automation.LanguagePrimitives]::ConvertTo($formattedNumber, [bigint])
$convertedValue | Should -Be 1000000
}
It 'Parses a number string using the invariant culture, irrespective of the current culture' {
$originalCulture = [cultureinfo]::CurrentCulture
try {
[cultureinfo]::CurrentCulture = [cultureinfo]::GetCultureInfo("de-DE")
$formattedNumber = "1.000" # in de-DE this means 1000
$convertedValue = [System.Management.Automation.LanguagePrimitives]::ConvertTo($formattedNumber, [bigint])
# since [bigint] uses invariant culture, this will be parsed as 1
$convertedValue | Should -Be 1
}
finally {
[cultureinfo]::CurrentCulture = $originalCulture
}
}
It 'Casts from floating-point number string to BigInteger using fallback' {
$formattedNumber = "1.2"
$convertedValue = [System.Management.Automation.LanguagePrimitives]::ConvertTo($formattedNumber, [bigint])
$convertedValue | Should -Be 1
}
}
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