package test

import "testing"

func TestNop(t *testing.T) {
	state := assembleAndExecute(t, `
functions:
- - [nop]
`)

	expectGlobalMemory(t, state, 0, 0)
}

func TestCal(t *testing.T) {
	state := assembleAndExecute(t, `
functions:
- - [cal, +1]
  - [add, g0, 1]

- - [mov, g0, 5]
`)

	expectGlobalMemory(t, state, 0, 6)
}

func TestRet(t *testing.T) {
	state := assembleAndExecute(t, `
functions:
- - [cal, +1]
  - [add, g0, 1]
  - [ret]

- - [mov, g0, 5]
  - [ret]
  - [add, g0, 2]
`)

	expectGlobalMemory(t, state, 0, 6)
}

func TestMov(t *testing.T) {
	state := assembleAndExecute(t, `
functions:
- - [mov, g0, 1]
  - [mov, g1, g0]
  - [mov, f0, 5]
  - [mov, g2, f0]
`)

	expectGlobalMemory(t, state, 0, 1)
	expectGlobalMemory(t, state, 1, 1)
	expectGlobalMemory(t, state, 2, 5)
}

func TestAdd(t *testing.T) {
	state := assembleAndExecute(t, `
functions:
- - [add, g0, 5]
  - [add, g0, 2]
  - [add, g0, g0]
  - [add, f0, 3]
  - [add, f0, -2]
  - [add, g0, f0]
`)

	expectGlobalMemory(t, state, 0, 15)
}