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Added tests for 'bad' indexes being passed to SearchCollectionNavigator

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This commit is contained in:
tznind
2022-10-30 10:06:26 +00:00
parent a6240807c9
commit c2a8d01f39
1 changed files with 26 additions and 10 deletions
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36
UnitTests/SearchCollectionNavigatorTests.cs
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@@ -3,25 +3,41 @@ using Xunit;
namespace Terminal.Gui.Core {
public class SearchCollectionNavigatorTests {
static string [] simpleStrings = new string []{
"appricot", // 0
"arm", // 1
"bat", // 2
"batman", // 3
"candle" // 4
};
[Fact]
public void TestSearchCollectionNavigator_ShouldAcceptNegativeOne ()
{
var n = new SearchCollectionNavigator (simpleStrings);
// Expect that index of -1 (i.e. no selection) should work correctly
// and select the first entry of the letter 'b'
Assert.Equal (2, n.CalculateNewIndex (-1, 'b'));
}
[Fact]
public void TestSearchCollectionNavigator_OutOfBoundsShouldBeIgnored()
{
var n = new SearchCollectionNavigator (simpleStrings);
// Expect saying that index 500 is the current selection should not cause
// error and just be ignored (treated as no selection)
Assert.Equal (2, n.CalculateNewIndex (500, 'b'));
}
[Fact]
public void TestSearchCollectionNavigator_Cycling ()
{
var strings = new string []{
"appricot",
"arm",
"bat",
"batman",
"candle"
};
var n = new SearchCollectionNavigator (strings);
var n = new SearchCollectionNavigator (simpleStrings);
Assert.Equal (2, n.CalculateNewIndex ( 0, 'b'));
Assert.Equal (3, n.CalculateNewIndex ( 2, 'b'));
// if 4 (candle) is selected it should loop back to bat
Assert.Equal (2, n.CalculateNewIndex ( 4, 'b'));
}