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gap> START_TEST("format.tst");
# Some variables we will use for testing printing
gap> r1 := SymmetricGroup([3..5]);;
gap> r2 := AlternatingGroup([1,3,5]);;
gap> r3 := AlternatingGroup([11,12,13]);;
# Start with simple examples
gap> StringFormatted("a{}b{}c{}d", 1,(),"xyz");
"a1b()cxyzd"
gap> StringFormatted("{}{}{}", 1,(),"xyz");
"1()xyz"
# Check id types
gap> StringFormatted("{3}{2}{2}{3}{1}", 1,2,3,4);
"32231"
gap> StringFormatted("{a}{b}{a}", rec(a := (1,2), b := "ch"));
"(1,2)ch(1,2)"
gap> StringFormatted("{}", rec());
"rec( )"
gap> StringFormatted("{1}", rec());
"rec( )"
# Check double bracket matching
gap> StringFormatted("{{}}{}}}{{", 0);
"{}0}{"
# Error cases
gap> StringFormatted("{", 1);
Error, Invalid format string, no matching '}' at position 1
gap> StringFormatted("{abc", 1);
Error, Invalid format string, no matching '}' at position 1
gap> StringFormatted("}", 1);
Error, Mismatched '}' at position 1
gap> StringFormatted("{}{1}", 1,2,3,4);
Error, replacement field must either all have an id, or all have no id
gap> StringFormatted("{1}{}", 1,2,3,4);
Error, replacement field must either all have an id, or all have no id
gap> StringFormatted("{}{a}", rec(a := 1) );
Error, replacement field must either all have an id, or all have no id
gap> StringFormatted("{a}{}", rec(a := 1) );
Error, replacement field must either all have an id, or all have no id
gap> StringFormatted("{a}{b}{a}", 1,2);
Error, first data argument must be a record when using {a}
gap> StringFormatted("{a!x}", rec(a := r1));
Error, Invalid format: 'x'
gap> StringFormatted("{!x}", r1);
Error, Invalid format: 'x'
gap> StringFormatted([1,2]);
Error, Usage: StringFormatted(<string>, <data>...)
# Check format options
gap> StringFormatted("{1!s} {1!v} {1!d}", r1);
"SymmetricGroup( [ 3 .. 5 ] ) Sym( [ 3 .. 5 ] ) <object>\n"
gap> StringFormatted("{!s} {!v} {!d}", r1, r2, r3);
"SymmetricGroup( [ 3 .. 5 ] ) Alt( [ 1, 3 .. 5 ] ) <object>\n"
gap> StringFormatted("{a!s} {b!v} {c!d}", rec(a := r1, b := r2, c := r3));
"SymmetricGroup( [ 3 .. 5 ] ) Alt( [ 1, 3 .. 5 ] ) <object>\n"
gap> StringFormatted("{a!}", rec(a := r1));
"SymmetricGroup( [ 3 .. 5 ] )"
gap> StringFormatted("abc{}def",[1,2]) = "abc[ 1, 2 ]def";
true
# Test long output
gap> ListWithIdenticalEntries(1000, 'a') =
> StringFormatted("{}", ListWithIdenticalEntries(1000, 'a'));
true
gap> ListWithIdenticalEntries(1000, 'a') =
> StringFormatted("{}{}", ListWithIdenticalEntries(500, 'a'), ListWithIdenticalEntries(500, 'a'));
true
# Test line breaks
gap> StringFormatted("{}", "\>1\<") = "\>1\<";
true
gap> StringFormatted("\>1\<") = "\>1\<";
true
# Test alternative functions
gap> PrintFormatted();
Error, Usage: PrintFormatted(<string>, <data>...)
gap> PrintFormatted(fail);
Error, Usage: PrintFormatted(<string>, <data>...)
gap> PrintFormatted("abc\n\n");
Error, Usage: PrintFormatted(<string>, <data>...)
gap> PrintFormatted("abc{}\n", 2);
abc2
gap> str := "";
""
gap> PrintToFormatted(OutputTextString(str, false), "abc{}\n", [1,2]);
gap> Print(str);
abc[ 1, 2 ]
gap> PrintFormatted([1,2]);
Error, Usage: PrintFormatted(<string>, <data>...)
gap> PrintToFormatted([1,2]);
Error, Function: number of arguments must be at least 2 (not 1)
gap> PrintToFormatted([1,2], "abc");
Error, Usage: PrintToFormatted(<stream>, <string>, <data>...)
gap> PrintToFormatted("*stdout*", [1,2]);
Error, Usage: PrintToFormatted(<stream>, <string>, <data>...)
gap> PrintFormatted("abc{}{}{}\n", 2, 3);
Error, out of bounds -- used
3 replacement fields without id when there are only 2 arguments
gap> PrintFormatted("abc{3}\n", 2);
Error, out of bounds -- asked for {3} when there are only 1 arguments
gap> PrintFormatted("abc{x}\n", rec(y := 2));
Error, no record member 'x'
gap> STOP_TEST("format.tst");
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