var a := { { 1, 2 }, { 0, 1, 2 } };
a[1][4] := 2;
print( "sort with null entry" );
print( a.sort( 3 ) );
// print(a); // disabled due to non deterministic (ptr compare)
a := { { 1, 2 }, { 0, 1, 2 } };

print( "sort with index too large" );
print( a.sort( 4 ) );
// print(a); // see above

print( "sort strings" );
a[1][4] := "bb";
a[2][4] := "aa";
print( a.sort( 4 ) );
print( a );

print( "sort mixed" );
a[1][5] := 5.6;
a[2][5] := 5;
print( a.sort( 5 ) );
print( a );

print( "sort mixed" );
a[1][6] := 5;
a[2][6] := "5a";
print( a.sort( 6 ) );
print( a );

print( "sort invalid" );
a.append( 5 );
print( a.sort( 6 ) );
print( a );

print( "sort invalid" );
print( a.sort( 0 ) );
print( a );

print( "sort invalid" );
a[3] := {};
print( a.sort( 6 ) );
print( a );

print( "sort invalid" );
a[3] := { 1 };
a[5] := { 1 };
print( a.sort( 1 ) );
print( a );