rand_int_range

Get a reproducible random integer number out of a specified range, see rand_int for details on test case random numbers.

Example: Reproducible random constricted integers:

public static int main (string[] args) {
	Test.init (ref args);

	Test.add_func ("/valadoc/driver-0.14.x", () => {
		// --seed R02S855b50e66c1a59011b2cd8f4c28c9996 forces our number generator
		//   to generate the same sequence of numbers for each test/run:
		int32 rand = Test.rand_int_range (int32.MIN, int32.MAX);
		Test.message ("my int: %d", rand);
		assert (rand == -959024836);

		rand = Test.rand_int_range (int32.MIN, int32.MAX);
		Test.message ("my int: %d", rand);
		assert (rand == -48191030);

		rand = Test.rand_int_range (int32.MIN, int32.MAX);
		Test.message ("my int: %d", rand);
		assert (rand == 735395174);
	});

	Test.add_func ("/valadoc/driver-0.16.x", () => {
		assert (Test.rand_int_range (int32.MIN, int32.MAX) == -959024836);
		assert (Test.rand_int_range (int32.MIN, int32.MAX) == -48191030);
		assert (Test.rand_int_range (int32.MIN, int32.MAX) == 735395174);
	});

	Test.run ();
	return 0;
}

valac --pkg glib-2.0 GLib.Test.rand_int_range.vala

./GLib.Test.rand_int_range --verbose --seed R02S855b50e66c1a59011b2cd8f4c28c9996

Parameters:

begin	the minimum value returned by this function
end	the smallest value not to be returned by this function

Returns:

a number with begin <= number < end.