*** Settings ***
Library     Process

*** Keywords ***
Run Calculator
    [Arguments]  ${expr}
    ${result} =  Run Process  ${CURDIR}/../calc1  ${expr}
    [Return]  ${result}

Calculate
    [Arguments]  ${expr}
    ${rc} =  Run Calculator  ${expr}
    Should Be Equal As Integers     ${rc.rc}    0
    ${result} =  Get Variable Value  ${rc.stdout}
    [Return]  ${result}

The result of ${calculation} should be ${expected}
    ${result} =  Calculate  ${calculation}
    Should Be Equal As Integers  ${expected}  ${result}

*** Test Cases ***
Simple calculations
    [Template]  The result of ${calculations} should be ${expected}
    1-1  0
    100-3  97
    50${SPACE*5}- 5  45

    1+1  2
    100+3  103
    34 +${SPACE*4}6  40

    10/2  5
    3*4  12

Multiple Runs Of Plus And Minus
    [Template]  The result of ${calculations} should be ${expected}
    1+1+1  3
    1-1-1  -1
    5+1-2  4