public void FindSubStringArgumentTest()
{
//arrange
ITextFindService textFindService = new TextFindService();
//assert
Assert.Throws <ArgumentException>(() => textFindService.FindSubString(null, "subText", false));
Assert.Throws <ArgumentException>(() => textFindService.FindSubString("text", null, false));
Assert.Throws <ArgumentException>(() => textFindService.FindSubString("text", "", false));
}
public void FindSubStringResultSingleInstanceEnd()
{
//arrange
ITextFindService textFindService = new TextFindService();
string text = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
string subText = "Z";
//Expected value
var expectedResult = new List <int> {
25
};
//Result
var result = textFindService.FindSubString(text, subText, false);
//Test
Assert.Equal(expectedResult.Count, result.Count);
for (int i = 0; i < expectedResult.Count; i++)
{
Assert.Equal(expectedResult[i], result[i]);
}
}
public void FindSubStringResultMultipleCaseInsensitive()
{
//arrange
ITextFindService textFindService = new TextFindService();
string text = "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ";
string subText = "a";
//Expected value
var expectedResult = new List <int> {
0, 26
};
//Result
var result = textFindService.FindSubString(text, subText, true);
//Test
Assert.Equal(expectedResult.Count, result.Count);
for (int i = 0; i < expectedResult.Count; i++)
{
Assert.Equal(expectedResult[i], result[i]);
}
}
