---
source: kcl-lib/src/simulation_tests.rs
description: Result of unparsing computed_var.kcl
---
// This tests computed properties.


arr = [0, 0, 0, 10]
i = 3
ten = arr[i]

assert(ten, isEqualTo = 10, error = "oops")

obj = { foo = 1, bar = 0 }
one = obj.foo

assert(one, isEqualTo = 1, error = "oops")

assert(
  PI,
  isEqualTo = 3,
  tolerance = 0.2,
  error = "oops pi",
)

x = cos((2 * PI): number(rad))
assert(
  x,
  isEqualTo = 1,
  tolerance = 0.000001,
  error = "oops cos",
)