public void AppendLiteral()
{
var expected = new StringBuilder();
var actual = new StringBuilder();
StringBuilder.AppendInterpolatedStringHandler iab = new StringBuilder.AppendInterpolatedStringHandler(0, 0, actual);
foreach (string s in new[] { "", "a", "bc", "def", "this is a long string", "!" })
{
expected.Append(s);
iab.AppendLiteral(s);
}
actual.Append(ref iab);
Assert.Equal(expected.ToString(), actual.ToString());
}
public void DebugHandler_AppendOverloads_MatchStringBuilderHandler()
{
var actual = new Debug.AssertInterpolatedStringHandler(0, 0, condition: false, out bool shouldAppend);
Assert.True(shouldAppend);
var sb = new StringBuilder();
var expected = new StringBuilder.AppendInterpolatedStringHandler(0, 0, sb);
actual.AppendLiteral("abcd");
expected.AppendLiteral("abcd");
actual.AppendFormatted(123);
expected.AppendFormatted(123);
actual.AppendFormatted(45.6, 10);
expected.AppendFormatted(45.6, 10);
actual.AppendFormatted(default(Guid), "X");
expected.AppendFormatted(default(Guid), "X");
DateTime dt = DateTime.UtcNow;
actual.AppendFormatted(dt, -100, "r");
expected.AppendFormatted(dt, -100, "r");
actual.AppendFormatted("hello");
expected.AppendFormatted("hello");
actual.AppendFormatted("world", -10, null);
expected.AppendFormatted("world", -10, null);
actual.AppendFormatted((ReadOnlySpan <char>) "nice to");
expected.AppendFormatted((ReadOnlySpan <char>) "nice to");
actual.AppendFormatted((ReadOnlySpan <char>) "nice to", 0, "anything");
expected.AppendFormatted((ReadOnlySpan <char>) "nice to", 0, "anything");
actual.AppendFormatted((object)DayOfWeek.Monday, 42, null);
expected.AppendFormatted((object)DayOfWeek.Monday, 42, null);
VerifyAssert(() => Debug.Assert(false, actual), sb.ToString());
}
/// <summary>Writes the specified string to the handler.</summary> /// <param name="value">The string to write.</param> public void AppendLiteral(string value) => _stringBuilderHandler.AppendLiteral(value);
