ObjFW  Diff

	if (self == [SimpleMutableString class])
		[self inheritMethodsFromClass: [SimpleString class]];
}

- (void)replaceCharactersInRange: (of_range_t)range
		      withString: (OFString *)string
{
	[_string replaceCharactersInRange: range
			       withString: string];
}
@end

@interface EntityHandler: OFObject <OFStringXMLUnescapingDelegate>
@end

@implementation EntityHandler

	TEST(@"-[description]", [s[0].description isEqual: s[0]])

	TEST(@"-[appendString:] and -[appendUTF8String:]",
	    R([s[1] appendUTF8String: "1𝄞"]) && R([s[1] appendString: @"3"]) &&
	    R([s[0] appendString: s[1]]) && [s[0] isEqual: @"täs€1𝄞3"])

	TEST(@"-[appendCharacters:length:]",
	    R([s[1] appendCharacters: ucstr + 6
			      length: 2]) && [s[1] isEqual: @"1𝄞3r🀺"])

	TEST(@"-[length]", s[0].length == 7)
	TEST(@"-[UTF8StringLength]", s[0].UTF8StringLength == 13)
	TEST(@"-[hash]", s[0].hash == 0x705583C0)

	TEST(@"-[characterAtIndex:]", [s[0] characterAtIndex: 0] == 't' &&

	    [s[0] characterAtIndex: 1] == 0xE4 &&
	    [s[0] characterAtIndex: 3] == 0x20AC &&
	    [s[0] characterAtIndex: 5] == 0x1D11E)

	EXPECT_EXCEPTION(@"Detect out of range in -[characterAtIndex:]",
	    OFOutOfRangeException, [s[0] characterAtIndex: 7])

	TEST(@"+[stringWithContentsOfURL:encoding]", (is = [stringClass
	    stringWithContentsOfURL: [OFURL fileURLWithPath: @"testfile.txt"]
			   encoding: OF_STRING_ENCODING_ISO_8859_1]) &&
	    [is isEqual: @"testäöü"])
#endif

	TEST(@"-[appendUTFString:length:]",
	    R([s[0] appendUTF8String: "\xEF\xBB\xBF" "barqux"
			      length: 6]) && [s[0] isEqual: @"foobar"])

	EXPECT_EXCEPTION(@"Detection of invalid UTF-8 encoding #1",
	    OFInvalidEncodingException,
	    [stringClass stringWithUTF8String: "\xE0\x80"])
	EXPECT_EXCEPTION(@"Detection of invalid UTF-8 encoding #2",
	    OFInvalidEncodingException,
	    [stringClass stringWithUTF8String: "\xF0\x80\x80\xC0"])

	    options: OF_STRING_SEARCH_BACKWARDS].location == 0 &&
	    [C(@"𝄞öö") rangeOfString: @"x"
	    options: OF_STRING_SEARCH_BACKWARDS].location == OF_NOT_FOUND)

	EXPECT_EXCEPTION(
	    @"Detect out of range in -[rangeOfString:options:range:]",
	    OFOutOfRangeException,
	    [C(@"𝄞öö") rangeOfString: @"ö"
			     options: 0
			       range: of_range(3, 1)])

	cs = [OFCharacterSet characterSetWithCharactersInString: @"cđ"];
	TEST(@"-[indexOfCharacterFromSet:]",
	     [C(@"abcđabcđe") indexOfCharacterFromSet: cs] == 2 &&
	     [C(@"abcđabcđë")
	     indexOfCharacterFromSet: cs
			     options: OF_STRING_SEARCH_BACKWARDS] == 7 &&

	TEST(@"-[stringByURLDecoding]",
	    [C(@"foo%20bar%22+%24%F0%9F%8D%8C").stringByURLDecoding
	    isEqual: @"foo bar\"+$🍌"])

	TEST(@"-[insertString:atIndex:]",
	    (s[0] = [mutableStringClass stringWithString: @"𝄞öööbä€"]) &&
	    R([s[0] insertString: @"äöü"
			 atIndex: 3]) &&
	    [s[0] isEqual: @"𝄞ööäöüöbä€"])

	EXPECT_EXCEPTION(@"Detect invalid format in -[stringByURLDecoding] "
	    @"#1", OFInvalidFormatException,
	    [C(@"foo%xbar") stringByURLDecoding])
	EXPECT_EXCEPTION(@"Detect invalid encoding in -[stringByURLDecoding] "
	    @"#2", OFInvalidEncodingException,
	    [C(@"foo%FFbar") stringByURLDecoding])

	TEST(@"-[setCharacter:atIndex:]",
	    (s[0] = [mutableStringClass stringWithString: @"abäde"]) &&
	    R([s[0] setCharacter: 0xF6
			 atIndex: 2]) &&
	    [s[0] isEqual: @"aböde"] &&
	    R([s[0] setCharacter: 'c'
			 atIndex: 2]) &&
	    [s[0] isEqual: @"abcde"] &&
	    R([s[0] setCharacter: 0x20AC
			 atIndex: 3]) &&
	    [s[0] isEqual: @"abc€e"] &&
	    R([s[0] setCharacter: 'x'
			 atIndex: 1]) &&
	    [s[0] isEqual: @"axc€e"])

	TEST(@"-[deleteCharactersInRange:]",
	    (s[0] = [mutableStringClass stringWithString: @"𝄞öööbä€"]) &&
	    R([s[0] deleteCharactersInRange: of_range(1, 3)]) &&
	    [s[0] isEqual: @"𝄞bä€"] &&
	    R([s[0] deleteCharactersInRange: of_range(0, 4)]) &&
	    [s[0] isEqual: @""])

	EXPECT_EXCEPTION(@"Detect OoR in -[deleteCharactersInRange:] #2",
	    OFOutOfRangeException,
	    [s[0] deleteCharactersInRange: of_range(4, 0)])

	EXPECT_EXCEPTION(@"Detect OoR in "
	    @"-[replaceCharactersInRange:withString:] #1",
	    OFOutOfRangeException,
	    [s[0] replaceCharactersInRange: of_range(2, 2)
				withString: @""])

	EXPECT_EXCEPTION(@"Detect OoR in "
	    @"-[replaceCharactersInRange:withString:] #2",
	    OFOutOfRangeException,
	    [s[0] replaceCharactersInRange: of_range(4, 0)
				withString: @""])

	TEST(@"-[replaceOccurrencesOfString:withString:]",
	    (s[0] = [mutableStringClass stringWithString:
	    @"asd fo asd fofo asd"]) &&
	    R([s[0] replaceOccurrencesOfString: @"fo"
				    withString: @"foo"]) &&
	    [s[0] isEqual: @"asd foo asd foofoo asd"] &&
	    (s[0] = [mutableStringClass stringWithString: @"XX"]) &&
	    R([s[0] replaceOccurrencesOfString: @"X"
				    withString: @"XX"]) &&
	    [s[0] isEqual: @"XXXX"])

	TEST(@"-[replaceOccurrencesOfString:withString:options:range:]",
	    (s[0] = [mutableStringClass stringWithString:
	    @"foofoobarfoobarfoo"]) &&
	    R([s[0] replaceOccurrencesOfString: @"oo"
				    withString: @"óò"