#!/usr/bin/ruby
# Test for infix methods
var a = 42
a `add!` 5
assert_eq(a, 47)
var b = (a `mul` 2)
assert_eq(b, 94)
assert_eq(a, 47)
a `mul!` 2 `add!` 3
assert_eq(a, 97)
var c = (a `mul!` 2 `add` 3)
assert_eq(a, 194)
assert_eq(c, 197)
var d = (a `add!` 5 `mul!` 2 `sub` 1)
assert_eq(a, 398)
assert_eq(d, 397)
say "** Test passed!"