test

Assertion functions for test scripts. A failed assertion is a runtime error that says what failed, with both values and the place of the call.

Summary

Function	Signature	Description
`assert`	`(Bool) -> ()`	Assert a condition is true
`assert_eq`	`(a, a) -> () where a: Equal + Display`	Assert two values are equal
`assert_ne`	`(a, a) -> () where a: Equal + Display`	Assert two values are not equal

test.assert(condition: Bool) -> ()

Panics if condition is false.

import test

fn main() {
  test.assert(1 + 1 == 2)
}

test.assert_eq(left: a, right: a) -> () where a: Equal + Display

Panics if left != right, displaying both values.

import list
import test

fn main() {
  test.assert_eq(list.length([1, 2, 3]), 3)
  test.assert_eq(1 + 1, 2)
}

test.assert_ne(left: a, right: a) -> () where a: Equal + Display

Panics if left == right, displaying both values.

import test

fn main() {
  test.assert_ne("hello", "world")
}