135 lines
5.2 KiB
PowerShell
135 lines
5.2 KiB
PowerShell
# Copyright (c) Microsoft Corporation.
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# Licensed under the MIT License.
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# There is an automatic 'using namespace system' which is
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# tested by this test, so don't uncomment the following:
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#using namespace System
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using namespace System.Threading
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using namespace System.Timers
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using namespace System.Diagnostics
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# Test parsing more than one using statement on one line
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using namespace System.Diagnostics; using namespace System.Runtime.CompilerServices
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using namespace System.Collections.Generic
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# Flags is System.FlagsAttribute
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# This tests our implicit 'using namespace System'
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# despite having other explicit using namespace statements.
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[Flags()]
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enum E1
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{
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E1 = 0x01
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E2 = 0x02
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E4 = 0x04
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}
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# Test attributes that won't be found w/o using, but w/o implicit Attribute suffix
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[CompilerGenerated()]
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class C1
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{
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[Thread][CompilerGenerated()]$Thread
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[Int32][CompilerGenerated()]$Int
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#[ElapsedEventHandler][CompilerGenerated()]$EventHandler
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}
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# Test attributes that won't be found w/o using, but w/ implicit Attribute suffix
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[CompilerGeneratedAttribute()]
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class C2
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{
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[Thread][CompilerGeneratedAttribute()]$Thread
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[Int32][CompilerGeneratedAttribute()]$Int
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#[ElapsedEventHandler][CompilerGeneratedAttribute()]$EventHandler
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}
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Describe "Using Namespace" -Tags "CI" {
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It "Type literals w/ using namespace" {
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[Thread].FullName | Should -Be System.Threading.Thread
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[Int32].FullName | Should -Be System.Int32
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#[ElapsedEventHandler].FullName | Should -Be System.Timers.ElapsedEventHandler
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[C1].GetProperty("Thread").PropertyType.FullName | Should -Be System.Threading.Thread
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[C1].GetProperty("Int").PropertyType.FullName | Should -Be System.Int32
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# [C1].GetProperty("EventHandler").PropertyType.FullName | Should -Be System.Timers.ElapsedEventHandler
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}
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It "Covert string to Type w/ using namespace" {
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("Thread" -as [Type]).FullName | Should -Be System.Threading.Thread
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("Int32" -as [Type]).FullName | Should -Be System.Int32
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# ("ElapsedEventHandler" -as [Type]).FullName | Should -Be System.Timers.ElapsedEventHandler
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New-Object Int32 | Should -Be 0
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New-Object CompilerGeneratedAttribute | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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}
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It "Attributes w/ using namespace" -Pending {
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function foo
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{
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[DebuggerStepThrough()]
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param(
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[CompilerGeneratedAttribute()]
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$a,
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[CompilerGenerated()]
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$b
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)
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"OK"
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}
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foo | Should -Be OK
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$cmdInfo = Get-Commmand foo
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$cmdInfo.ScriptBlock.Attributes[0] | Should -Be System.Diagnostics.DebuggerStepThroughAttribute
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$cmdInfo.Parameters['a'].Attributes[1] | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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$cmdInfo.Parameters['b'].Attributes[1] | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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[C1].GetProperty("Thread").GetCustomAttributesData()[0].AttributeType.FullName | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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[C1].GetProperty("Int").GetCustomAttributesData()[0].AttributeType.FullName | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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# [C1].GetProperty("EventHandler").GetCustomAttributesData()[0].AttributeType.FullName | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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[C2].GetProperty("Thread").GetCustomAttributesData()[0].AttributeType.FullName | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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[C2].GetProperty("Int").GetCustomAttributesData()[0].AttributeType.FullName | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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# [C2].GetProperty("EventHandler").GetCustomAttributesData()[0].AttributeType.FullName | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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[C1].GetCustomAttributesData()[0].AttributeType.FullName | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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[C2].GetCustomAttributesData()[0].AttributeType.FullName | Should -Be System.Runtime.CompilerServices.CompilerGeneratedAttribute
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[E1].GetCustomAttributesData()[0].AttributeType.FullName | Should -Be System.FlagsAttribute
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}
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It "Ambiguous type reference" {
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{ [ThreadState] } | Should -Throw -ErrorId AmbiguousTypeReference
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}
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It "Parameters" {
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function foo([Thread]$t = $null) { 42 }
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foo | Should -Be 42
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$mod = New-Module -Name UsingNamespaceModule -ScriptBlock {
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function Set-Thread([Thread]$t = $null)
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{
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44
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}
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}
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Import-Module $mod
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Set-Thread | Should -Be 44
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Remove-Module $mod
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}
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It "Generics" {
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function foo([List[string]]$l)
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{
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$l | Should -Be "a string"
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}
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$l = [List[string]]::new()
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$l.Add("a string")
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foo $l
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}
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ShouldBeParseError "1; using namespace System" UsingMustBeAtStartOfScript 3
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ShouldBeParseError "using namespace Foo = System" UsingStatementNotSupported 0
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# TODO: add diagnostic (low pri)
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# ShouldBeParseError "using namespace System; using namespace System" UsingNamespaceAlreadySpecified 24
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}
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