// vtest retry: 3
import os

const test = @VEXEROOT + '/vlib/v/tests/testdata/test_array_bound.v'

fn direct(line string) {
    if !line.contains('\tmain__direct(') {
        return
    }
    trimmed := line.trim_space()
    if trimmed.contains('array_get') {
        assert trimmed == 'this should have been a direct access in ${test} line ${line}'
    }
}

fn access(line string) {
    if !line.contains('\tmain__access(') {
        return
    }
    trimmed := line.trim_space()
    if !trimmed.contains('array_get') {
        assert trimmed == 'this should have been an array access in ${test} line ${line}'
    }
}

fn test_array_optimisation() {
    mut args := []string{cap: 4}
    args << '-prod'
    args << test
    args << '-o'
    args << '-'

    mut p := os.new_process(@VEXE)
    p.set_args(args)
    p.set_redirect_stdio()
    p.run()
    stdout := p.stdout_slurp()
    p.wait()
    p.close()

    ending := '// THE END.'
    it_ends_properly := stdout.contains(ending)
    if !it_ends_properly {
        dump(stdout)
    }
    assert it_ends_properly

    for line in stdout.split('\n') {
        direct(line)
        access(line)
    }
    println('ok, could not detect any wrong memory access optimisation')
}