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[New Exercise]: Line Up (#422)
Add exercise `Line Up`
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‎config.json‎

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"practices": [],
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"prerequisites": [],
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"difficulty": 2
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},
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{
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"slug": "line-up",
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"name": "Line Up",
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"uuid": "35d96adf-0fc2-4442-9299-76d880a70b3c",
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"practices": [],
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"prerequisites": [],
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"difficulty": 2
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},
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{
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"slug": "error-handling",

‎exercises/practice/line-up/.docs/instructions.md‎

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# Instructions
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Given a name and a number, your task is to produce a sentence using that name and that number as an [ordinal numeral][ordinal-numeral].
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Yaʻqūb expects to use numbers from 1 up to 999.
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Rules:
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- Numbers ending in 1 (except for 11) → `"st"`
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- Numbers ending in 2 (except for 12) → `"nd"`
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- Numbers ending in 3 (except for 13) → `"rd"`
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- All other numbers → `"th"`
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Examples:
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- `"Mary", 1` → `"Mary, you are the 1st customer we serve today. Thank you!"`
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- `"John", 12` → `"John, you are the 12th customer we serve today. Thank you!"`
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- `"Dahir", 162` → `"Dahir, you are the 162nd customer we serve today. Thank you!"`
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[ordinal-numeral]: https://en.wikipedia.org/wiki/Ordinal_numeral

‎exercises/practice/line-up/.docs/introduction.md‎

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# Introduction
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Your friend Yaʻqūb works the counter at a deli in town, slicing, weighing, and wrapping orders for a line of hungry customers that gets longer every day.
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Waiting customers are starting to lose track of who is next, so he wants numbered tickets they can use to track the order in which they arrive.
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To make the customers feel special, he does not want the ticket to have only a number on it.
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They shall get a proper English sentence with their name and number on it.

‎exercises/practice/line-up/.meta/LineUp.example.ps1‎

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Function Get-LineUp() {
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<#
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.SYNOPSIS
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Produce a greeting for customer in a line.
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.DESCRIPTION
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Given a name and a number, your task is to produce a sentence using that name and that number as an ordinal numeral.
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.PARAMETER Name
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String represents name of the customer.
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.PARAMETER Number
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Integer represents the order of the customer in line. (1 to 999)
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.EXAMPLE
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Get-LineUp -Name "Exercism" -Number 1
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Returns: "Exercism, you are the 1st customer we serve today. Thank you!"
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#>
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[CmdletBinding()]
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Param(
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[string]$Name,
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[int]$Number
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)
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$tens = $Number % 100
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$ones = $Number % 10
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$ordinal = switch ($true) {
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{ $tens -ge 11 -and $tens -le 13 } { 'th'; break }
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{ $ones -eq 1 } {'st'}
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{ $ones -eq 2 } {'nd'}
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{ $ones -eq 3 } {'rd'}
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default { 'th' }
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}
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"$Name, you are the $Number$ordinal customer we serve today. Thank you!"
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}

‎exercises/practice/line-up/.meta/config.json‎

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{
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"authors": [
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"glaxxie"
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],
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"files": {
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"solution": [
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"LineUp.ps1"
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],
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"test": [
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"LineUp.tests.ps1"
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],
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"example": [
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".meta/LineUp.example.ps1"
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]
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},
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"blurb": "Help lining up customers at Yaʻqūb's Deli.",
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"source": "mk-mxp, based on previous work from Exercism contributors codedge and neenjaw",
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"source_url": "https://forum.exercism.org/t/new-exercise-ordinal-numbers/19147"
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}

‎exercises/practice/line-up/.meta/tests.toml‎

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# This is an auto-generated file.
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#
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# Regenerating this file via `configlet sync` will:
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# - Recreate every `description` key/value pair
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# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
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# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
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# - Preserve any other key/value pair
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#
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# As user-added comments (using the # character) will be removed when this file
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# is regenerated, comments can be added via a `comment` key.
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[7760d1b8-4864-4db4-953b-0fa7c047dbc0]
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description = "format smallest non-exceptional ordinal numeral 4"
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[e8b7c715-6baa-4f7b-8fb3-2fa48044ab7a]
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description = "format greatest single digit non-exceptional ordinal numeral 9"
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[f370aae9-7ae7-4247-90ce-e8ff8c6934df]
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description = "format non-exceptional ordinal numeral 5"
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[37f10dea-42a2-49de-bb92-0b690b677908]
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description = "format non-exceptional ordinal numeral 6"
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[d8dfb9a2-3a1f-4fee-9dae-01af3600054e]
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description = "format non-exceptional ordinal numeral 7"
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[505ec372-1803-42b1-9377-6934890fd055]
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description = "format non-exceptional ordinal numeral 8"
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[8267072d-be1f-4f70-b34a-76b7557a47b9]
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description = "format exceptional ordinal numeral 1"
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[4d8753cb-0364-4b29-84b8-4374a4fa2e3f]
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description = "format exceptional ordinal numeral 2"
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[8d44c223-3a7e-4f48-a0ca-78e67bf98aa7]
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description = "format exceptional ordinal numeral 3"
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[6c4f6c88-b306-4f40-bc78-97cdd583c21a]
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description = "format smallest two digit non-exceptional ordinal numeral 10"
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[e257a43f-d2b1-457a-97df-25f0923fc62a]
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description = "format non-exceptional ordinal numeral 11"
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[bb1db695-4d64-457f-81b8-4f5a2107e3f4]
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description = "format non-exceptional ordinal numeral 12"
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[60a3187c-9403-4835-97de-4f10ebfd63e2]
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description = "format non-exceptional ordinal numeral 13"
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[2bdcebc5-c029-4874-b6cc-e9bec80d603a]
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description = "format exceptional ordinal numeral 21"
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[74ee2317-0295-49d2-baf0-d56bcefa14e3]
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description = "format exceptional ordinal numeral 62"
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[b37c332d-7f68-40e3-8503-e43cbd67a0c4]
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description = "format exceptional ordinal numeral 100"
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[0375f250-ce92-4195-9555-00e28ccc4d99]
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description = "format exceptional ordinal numeral 101"
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[0d8a4974-9a8a-45a4-aca7-a9fb473c9836]
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description = "format non-exceptional ordinal numeral 112"
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[06b62efe-199e-4ce7-970d-4bf73945713f]
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description = "format exceptional ordinal numeral 123"

‎exercises/practice/line-up/LineUp.ps1‎

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Function Get-LineUp() {
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<#
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.SYNOPSIS
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Produce a greeting for customer in a line.
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.DESCRIPTION
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Given a name and a number, your task is to produce a sentence using that name and that number as an ordinal numeral.
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.PARAMETER Name
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String represents name of the customer.
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.PARAMETER Number
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Integer represents the order of the customer in line. (1 to 999)
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.EXAMPLE
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Get-LineUp -Name "Exercism" -Number 1
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Returns: "Exercism, you are the 1st customer we serve today. Thank you!"
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#>
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[CmdletBinding()]
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Param(
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[string]$Name,
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[int]$Number
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)
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Throw "Please implement this function"
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}

‎exercises/practice/line-up/LineUp.tests.ps1‎

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BeforeAll {
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. "./LineUp.ps1"
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}
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Describe "LineUp test cases" {
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It "format smallest non-exceptional ordinal numeral 4" {
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$got = Get-LineUp -Name "Gianna" -Number 4
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$expect = "Gianna, you are the 4th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format greatest single digit non-exceptional ordinal numeral 9" {
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$got = Get-LineUp -Name "Maarten" -Number 9
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$expect = "Maarten, you are the 9th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format non-exceptional ordinal numeral 5" {
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$got = Get-LineUp -Name "Petronila" -Number 5
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$expect = "Petronila, you are the 5th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format non-exceptional ordinal numeral 6" {
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$got = Get-LineUp -Name "Attakullakulla" -Number 6
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$expect = "Attakullakulla, you are the 6th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format non-exceptional ordinal numeral 7" {
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$got = Get-LineUp -Name "Kate" -Number 7
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$expect = "Kate, you are the 7th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format non-exceptional ordinal numeral 8" {
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$got = Get-LineUp -Name "Maximiliano" -Number 8
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$expect = "Maximiliano, you are the 8th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format exceptional ordinal numeral 1" {
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$got = Get-LineUp -Name "Mary" -Number 1
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$expect = "Mary, you are the 1st customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format exceptional ordinal numeral 2" {
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$got = Get-LineUp -Name "Haruto" -Number 2
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$expect = "Haruto, you are the 2nd customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format exceptional ordinal numeral 3" {
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$got = Get-LineUp -Name "Henriette" -Number 3
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$expect = "Henriette, you are the 3rd customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format smallest two digit non-exceptional ordinal numeral 10" {
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$got = Get-LineUp -Name "Alvarez" -Number 10
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$expect = "Alvarez, you are the 10th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format non-exceptional ordinal numeral 11" {
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$got = Get-LineUp -Name "Jacqueline" -Number 11
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$expect = "Jacqueline, you are the 11th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format non-exceptional ordinal numeral 12" {
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$got = Get-LineUp -Name "Juan" -Number 12
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$expect = "Juan, you are the 12th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format non-exceptional ordinal numeral 13" {
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$got = Get-LineUp -Name "Patricia" -Number 13
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$expect = "Patricia, you are the 13th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format exceptional ordinal numeral 21" {
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$got = Get-LineUp -Name "Washi" -Number 21
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$expect = "Washi, you are the 21st customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format exceptional ordinal numeral 62" {
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$got = Get-LineUp -Name "Nayra" -Number 62
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$expect = "Nayra, you are the 62nd customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format exceptional ordinal numeral 100" {
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$got = Get-LineUp -Name "John" -Number 100
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$expect = "John, you are the 100th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format exceptional ordinal numeral 101" {
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$got = Get-LineUp -Name "Zeinab" -Number 101
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$expect = "Zeinab, you are the 101st customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format non-exceptional ordinal numeral 112" {
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$got = Get-LineUp -Name "Knud" -Number 112
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$expect = "Knud, you are the 112th customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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It "format exceptional ordinal numeral 123" {
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$got = Get-LineUp -Name "Yma" -Number 123
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$expect = "Yma, you are the 123rd customer we serve today. Thank you!"
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$got | Should -BeExactly $expect
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}
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}

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