public void Parse_NullValue_Throw()
{
Int32NumberHeaderParser parser = Int32NumberHeaderParser.Parser;
int index = 0;
Assert.Throws <FormatException>(() => { parser.ParseValue(null, null, ref index); });
}
public void ToString_UseDifferentValues_MatchExpectation()
{
Int32NumberHeaderParser parser = Int32NumberHeaderParser.Parser;
Assert.Equal("1234567890", parser.ToString(1234567890));
Assert.Equal("0", parser.ToString(0));
}
public void Properties_ReadValues_MatchExpectation()
{
Int32NumberHeaderParser parser = Int32NumberHeaderParser.Parser;
Assert.False(parser.SupportsMultipleValues, "SupportsMultipleValues");
Assert.Null(parser.Comparer);
}
public void Parse_InvalidValue_Throw()
{
// This test verifies that Parse() correctly calls TryParse().
Int32NumberHeaderParser parser = Int32NumberHeaderParser.Parser;
int index = 0;
Assert.Throws <FormatException>(() => { parser.ParseValue("a", null, ref index); });
}
private void CheckValidParsedValue(string input, int startIndex, int expectedResult, int expectedIndex)
{
Int32NumberHeaderParser parser = Int32NumberHeaderParser.Parser;
object result = 0;
Assert.True(parser.TryParseValue(input, null, ref startIndex, out result),
string.Format("TryParse returned false: {0}", input));
Assert.Equal(expectedResult, result);
Assert.Equal(expectedIndex, startIndex);
}
private void CheckInvalidParsedValue(string input, int startIndex)
{
Int32NumberHeaderParser parser = Int32NumberHeaderParser.Parser;
object result = 0;
int newIndex = startIndex;
Assert.False(parser.TryParseValue(input, null, ref newIndex, out result),
string.Format("TryParse returned true: {0}", input));
Assert.Null(result);
Assert.Equal(startIndex, newIndex);
}
public void Parse_ValidValue_ReturnsLongValue()
{
// This test verifies that Parse() correctly calls TryParse().
Int32NumberHeaderParser parser = Int32NumberHeaderParser.Parser;
int index = 2;
Assert.Equal((int)15, parser.ParseValue(" 15", null, ref index));
Assert.Equal(4, index);
index = 0;
Assert.Equal((int)15, parser.ParseValue(" 15", null, ref index));
Assert.Equal(4, index);
}
