ObjFW  Check-in [0ccbebce04]

	OFString *str;
	OFString **objs = [array cArray];
	size_t i, count = [array count];
	IMP append;

	if (count == 0)
		return @"";
	if (count == 1)
		return [objs[0] retain];

	str = [OFMutableString string];
	append = [str methodForSelector: @selector(appendString:)];

	for (i = 0; i < count - 1; i++) {
		append(str, @selector(appendString:), objs[i]);
		append(str, @selector(appendString:), separator);

	EXPECT_EXCEPTION(@"Detect out of range in -[objectAtIndex:]",
	    OFOutOfRangeException, [a[0] objectAtIndex: [a[0] count]])

	EXPECT_EXCEPTION(@"Detect out of range in -[removeNItems:]",
	    OFOutOfRangeException, [m[0] removeNObjects: [m[0] count] + 1])

	TEST(@"-[componentsJoinedByString:]",
	a[1] = [OFArray arrayWithObjects: @"foo", @"bar", @"baz", nil];
	TEST(@"-[componentsJoinedByString:]",
	    [[a[1] componentsJoinedByString: @" "] isEqual: @"foo bar baz"])
	    (a[1] = [OFArray arrayWithObjects: @"foo", @"bar", @"baz", nil]) &&
	    [[a[1] componentsJoinedByString: @" "] isEqual: @"foo bar baz"] &&
	    (a[1] = [OFArray arrayWithObject: @"foo"]) &&
	    [[a[1] componentsJoinedByString: @" "] isEqual: @"foo"])

	m[0] = [[a[0] mutableCopy] autorelease];
	ok = YES;
	i = 0;

	TEST(@"-[enumerator]", (enumerator = [m[0] enumerator]))