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Allow selections to wrap around

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Salvage
2022-09-25 01:23:05 +02:00
committed by Phil Scott
parent eb02c3d534
commit 4f0ec87522
7 changed files with 181 additions and 6 deletions
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120
test/Spectre.Console.Tests/Unit/Prompts/ListPromptStateTests.cs Normal file
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namespace Spectre.Console.Tests.Unit;
public sealed class ListPromptStateTests
{
private ListPromptState<string> CreateListPromptState(int count, int pageSize, bool shouldWrap)
=> new(Enumerable.Repeat(new ListPromptItem<string>(string.Empty), count).ToList(), pageSize, shouldWrap);
[Fact]
public void Should_Have_Start_Index_Zero()
{
// Given
var state = CreateListPromptState(100, 10, false);
// When
/* noop */
// Then
state.Index.ShouldBe(0);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public void Should_Increase_Index(bool wrap)
{
// Given
var state = CreateListPromptState(100, 10, wrap);
var index = state.Index;
// When
state.Update(ConsoleKey.DownArrow);
// Then
state.Index.ShouldBe(index + 1);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public void Should_Go_To_End(bool wrap)
{
// Given
var state = CreateListPromptState(100, 10, wrap);
// When
state.Update(ConsoleKey.End);
// Then
state.Index.ShouldBe(99);
}
[Fact]
public void Should_Clamp_Index_If_No_Wrap()
{
// Given
var state = CreateListPromptState(100, 10, false);
state.Update(ConsoleKey.End);
// When
state.Update(ConsoleKey.DownArrow);
// Then
state.Index.ShouldBe(99);
}
[Fact]
public void Should_Wrap_Index_If_Wrap()
{
// Given
var state = CreateListPromptState(100, 10, true);
state.Update(ConsoleKey.End);
// When
state.Update(ConsoleKey.DownArrow);
// Then
state.Index.ShouldBe(0);
}
[Fact]
public void Should_Wrap_Index_If_Wrap_And_Down()
{
// Given
var state = CreateListPromptState(100, 10, true);
// When
state.Update(ConsoleKey.UpArrow);
// Then
state.Index.ShouldBe(99);
}
[Fact]
public void Should_Wrap_Index_If_Wrap_And_Page_Up()
{
// Given
var state = CreateListPromptState(10, 100, true);
// When
state.Update(ConsoleKey.PageUp);
// Then
state.Index.ShouldBe(0);
}
[Fact]
public void Should_Wrap_Index_If_Wrap_And_Offset_And_Page_Down()
{
// Given
var state = CreateListPromptState(10, 100, true);
state.Update(ConsoleKey.End);
state.Update(ConsoleKey.UpArrow);
// When
state.Update(ConsoleKey.PageDown);
// Then
state.Index.ShouldBe(8);
}
}