gravity-lang/test/unittest/string_interpolation_complex.gravity

#unittest {
	name: "Complex string interpolation.";
	error: NONE;
	result: true;
};

func main() {
	var x = 10;
	var y = 20;

	// Basic interpolation
	var s1 = "sum is \(x + y)";
	var r1 = (s1 == "sum is 30");

	// Nested parentheses in interpolation
	var s2 = "val \((x + y) * 2)";
	var r2 = (s2 == "val 60");

	// Multiple interpolations
	var s3 = "\(x) and \(y)";
	var r3 = (s3 == "10 and 20");

	// Interpolation with method call
	var name = "world";
	var s4 = "hello \(name.upper())";
	var r4 = (s4 == "hello WORLD");

	// Empty prefix/suffix around interpolation
	var s5 = "\(42)";
	var r5 = (s5 == "42");

	return r1 and r2 and r3 and r4 and r5;
}