310 lines
11 KiB
PowerShell
310 lines
11 KiB
PowerShell
# Copyright (c) Microsoft Corporation.
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# Licensed under the MIT License.
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Describe "Split Operator" -Tags CI {
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Context "Binary split operator" {
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It "Binary split operator can split array of value" {
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$res = "a b", "c d" -split " "
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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}
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It "Binary split operator can split a string" {
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$res = "a b c d" -split " "
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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}
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It "Binary split operator can works with max substring limit" {
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$res = "a b c d" -split " ", 2
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$res.count | Should -Be 2
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b c d"
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$res = "a b c d" -split " ", 0
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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$res = "a b c d" -split " ", -2
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$res.count | Should -Be 2
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$res[0] | Should -Be "a b c"
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$res[1] | Should -Be "d"
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$res = "a b c d" -split " ", -1
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$res.count | Should -Be 1
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$res[0] | Should -Be "a b c d"
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}
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It "Binary split operator can work with different delimeter than split string" {
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$res = "a b c d" -split " ",8
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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$res = "a b c d" -split " ",-8
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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$res = " " -split " ",-2
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$res.count | Should -Be 2
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$res[0] | Should -Be ""
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$res[1] | Should -Be ""
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}
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It "Binary split operator with predicate can work with negative numbers" {
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$res = "a b c d" -split {$_ -like ' '},-2
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$res.count | Should -Be 2
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$res[0] | Should -Be "a b c"
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$res[1] | Should -Be "d"
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$res = "a b c d" -split {$_ -like ' '},-4
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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$res = "a b c d" -split {$_ -like ' '},-8
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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$res = " " -split {$_ -like ' '},-4
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$res.count | Should -Be 2
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$res[0] | Should -Be ""
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$res[1] | Should -Be ""
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$res = "folder/path/to/file" -split {$_ -like '/'}, -2
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$res.count | Should -Be 2
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$res[0] | Should -Be "folder/path/to"
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$res[1] | Should -Be "file"
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}
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It "Binary split operator can work with regex expression" {
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$res = "a2b3c4d" -split '\d+',2
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$res.count | Should -Be 2
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b3c4d"
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$res = "a2b3c4d" -split '\d+',-2
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$res.count | Should -Be 2
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$res[0] | Should -Be "a2b3c"
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$res[1] | Should -Be "d"
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}
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It "Binary split operator can works with freeform delimiter" {
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$res = "a::b::c::d" -split "::"
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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}
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It "Binary split operator can preserve delimiter" {
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$res = "a1:b1:c1:d" -split "(1:)"
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$res.count | Should -Be 7
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "1:"
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$res[2] | Should -Be "b"
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$res[3] | Should -Be "1:"
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$res[4] | Should -Be "c"
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$res[5] | Should -Be "1:"
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$res[6] | Should -Be "d"
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$res = "a1:b1:c1:d" -split "1(:)"
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$res.count | Should -Be 7
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$res[0] | Should -Be "a"
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$res[1] | Should -Be ":"
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$res[2] | Should -Be "b"
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$res[3] | Should -Be ":"
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$res[4] | Should -Be "c"
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$res[5] | Should -Be ":"
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$res[6] | Should -Be "d"
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}
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It "Binary split operator can be case-insensitive and case-sensitive" {
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$res = "abcBd" -split "B"
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$res.count | Should -Be 3
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "c"
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$res[2] | Should -Be "d"
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$res = "abcBd" -isplit "B"
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$res.count | Should -Be 3
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "c"
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$res[2] | Should -Be "d"
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$res = "abcBd" -csplit "B"
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$res.count | Should -Be 2
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$res[0] | Should -Be "abc"
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$res[1] | Should -Be "d"
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$res = "abcBd" -csplit "B", 0 , 'IgnoreCase'
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$res.count | Should -Be 3
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "c"
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$res[2] | Should -Be "d"
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}
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It "Binary split operator can works with script block" {
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$res = "a::b::c::d" -split {$_ -eq "b" -or $_ -eq "C"}
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$res.count | Should -Be 3
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$res[0] | Should -Be "a::"
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$res[1] | Should -Be "::"
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$res[2] | Should -Be "::d"
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}
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}
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Context "Binary split operator options" {
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BeforeAll {
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# Add '%' in testText2 in order to second line doesn't start with 'b'.
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$testCases = @(
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@{ Name = '`n'; testText = "a12a`nb34b`nc56c`nd78d"; testText2 = "a12a`n%b34b`nc56c`nd78d"; newLine = "`n" }
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@{ Name = '`r`n'; testText = "a12a`r`nb34b`r`nc56c`r`nd78d"; testText2 = "a12a`r`n%b34b`r`nc56c`r`nd78d"; newLine = "`r`n" }
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)
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}
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It "Binary split operator has no Singleline and no Multiline by default (new line = '<Name>')" -TestCases $testCases {
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param($testText, $testText2, $newLine)
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# Multiline isn't default
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$res = $testText -split '^b'
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$res.count | Should -Be 1
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# Singleline isn't default
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$res = $testText -split 'b.+c'
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$res.count | Should -Be 1
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}
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It "Binary split operator works with Singleline (new line = '<Name>')" -TestCases $testCases {
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param($testText, $testText2, $newLine)
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$res = $testText -split 'b.+c', 0, 'Singleline'
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$res.count | Should -Be 2
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$res[0] | Should -Be "a12a$($newLine)"
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$res[1] | Should -Be "$($newLine)d78d"
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$res = $testText2 -split 'b.+c', 0, 'Singleline'
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$res.count | Should -Be 2
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$res[0] | Should -Be "a12a$($newLine)%"
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$res[1] | Should -Be "$($newLine)d78d"
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}
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It "Binary split operator works with Multiline (new line = '<Name>')" -TestCases $testCases {
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param($testText, $testText2, $newLine)
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$res = $testText -split '^b', 0, 'Multiline'
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$res.count | Should -Be 2
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$res[0] | Should -Be "a12a$($newLine)"
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$res[1] | Should -Be "34b$($newLine)c56c$($newLine)d78d"
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}
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It "Binary split operator works with Singleline,Multiline (new line = '<Name>')" -TestCases $testCases {
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param($testText, $testText2, $newLine)
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$res = $testText -split 'b.+c', 0, 'Singleline,Multiline'
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$res.count | Should -Be 2
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$res[0] | Should -Be "a12a$($newLine)"
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$res[1] | Should -Be "$($newLine)d78d"
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$res = $testText2 -split 'b.+c', 0, 'Singleline,Multiline'
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$res.count | Should -Be 2
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$res[0] | Should -Be "a12a$($newLine)%"
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$res[1] | Should -Be "$($newLine)d78d"
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$res = $testText -split '^b.+c', 0, 'Singleline,Multiline'
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$res.count | Should -Be 2
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$res[0] | Should -Be "a12a$($newLine)"
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$res[1] | Should -Be "$($newLine)d78d"
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$res = $testText2 -split '^b.+c', 0, 'Singleline,Multiline'
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$res.count | Should -Be 1
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}
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It "Binary split operator works with IgnorePatternWhitespace" {
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$res = "a: b:c" -split ': '
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$res.count | Should -Be 2
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b:c"
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$res = "a: b:c" -split ': ',0,'IgnorePatternWhitespace'
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$res.count | Should -Be 3
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$res[0] | Should -Be "a"
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$res[1] | Should -Be " b"
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$res[2] | Should -Be "c"
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}
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It "Binary split operator works with ExplicitCapture" {
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$res = "a:b" -split "(:)"
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$res.count | Should -Be 3
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$res[0] | Should -Be "a"
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$res[1] | Should -Be ":"
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$res[2] | Should -Be "b"
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$res = "a:b" -split "(:)", 0, 'ExplicitCapture'
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$res.count | Should -Be 2
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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}
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It "Binary split operator works with SimpleMatch" {
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$res = "abc" -split "B", 0, 'SimpleMatch,IgnoreCase'
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$res.count | Should -Be 2
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "c"
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}
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It "Binary split operator works with RegexMatch" {
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$res = "abc" -split "B", 0, 'RegexMatch,Singleline'
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$res.count | Should -Be 2
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "c"
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}
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It "Binary split operator doesn't works with RegexMatch,SimpleMatch" {
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{ "abc" -split "B", 0, 'RegexMatch,SimpleMatch' } | Should -Throw -ErrorId "InvalidSplitOptionCombination"
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}
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}
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Context "Unary split operator" {
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It "Unary split operator has higher precedence than a comma" {
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$res = -split "a b", "c d"
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$res.count | Should -Be 2
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$res[0][0] | Should -Be "a"
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$res[0][1] | Should -Be "b"
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$res[1] | Should -Be "c d"
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}
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It "Unary split operator can split array of values" {
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$res = -split ("a b", "c d")
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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}
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It "Unary split operator can split a string" {
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$res = -split "a b c d"
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$res.count | Should -Be 4
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$res[0] | Should -Be "a"
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$res[1] | Should -Be "b"
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$res[2] | Should -Be "c"
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$res[3] | Should -Be "d"
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}
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}
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}
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