#textdomain wesnoth-test
#define RETURN X
    [if]
        [variable]
            name=ended
            boolean_not_equals=yes
        [/variable]
        [then]
            [if]
                {X}
                [then]
                    {VARIABLE ended yes}
                    [endlevel]
                        test_result=pass
                        linger_mode = yes
                    [/endlevel]
                [/then]
                [else]
                    [test_condition]
                        result=no
                        {X}
                    [/test_condition]
                    {VARIABLE ended yes}
                    [endlevel]
                        test_result=fail
                        linger_mode = yes
                    [/endlevel]
                [/else]
            [/if]
        [/then]
    [/if]
#enddef

#define ASSERT X
    [if]
        [variable]
            name=ended
            boolean_not_equals=yes
        [/variable]
        [then]
            [if]
                {X}
                [else]
                    [test_condition]
                        result=no
                        {X}
                    [/test_condition]
                    {VARIABLE ended yes}
                    [endlevel]
                        test_result=fail
                        linger_mode = yes
                    [/endlevel]
                [/else]
            [/if]
        [/then]
    [/if]
#enddef

#define FAIL
    {RETURN ([false][/false])}
#enddef

#define SUCCEED
    {RETURN ([true][/true])}
#enddef

#define FAIL_IF_NOT FLAG NOT_EQUALS
    [if]
        [variable]
            name={FLAG}
            not_equals={NOT_EQUALS}
        [/variable]
        [then]
            {FAIL}
        [/then]
    [/if]
#enddef

# Have one adjacent unit attack another adjacent unit.
# Each unit is given 1000 hp and their attack is made to 100×1, with a 100% chance of hitting.
#
# By default "alice" attacks "bob", these can be overridden with the ID1 and ID2 optional arguments.
# DAMAGE1 is expected hp loss for ID1 (alice).
# DAMAGE2 is expected hp loss for ID2 (bob), it defaults to the same as DAMAGE1.
#define ATTACK_AND_VALIDATE DAMAGE1

#arg ID1
alice#endarg

#arg ID2
bob#endarg

#arg DAMAGE2
{DAMAGE1}#endarg

    [modify_unit]
        [filter]
            id={ID1},{ID2}
        [/filter]
        [effect]
            apply_to=attack
            [set_specials]
                mode=append
                [attacks]
                    value=1
                [/attacks]
                [damage]
                    value=100
                [/damage]
                [chance_to_hit]
                    value=100
                [/chance_to_hit]
            [/set_specials]
        [/effect]
        hitpoints = 1000
        max_hitpoints = 1000
    [/modify_unit]

    [test_do_attack_by_id]
        attacker={ID1}
        defender={ID2}
    [/test_do_attack_by_id]

    [store_unit]
        [filter]
            id={ID1}
        [/filter]
        variable={ID1}
    [/store_unit]
    [store_unit]
        [filter]
            id={ID2}
        [/filter]
        variable={ID2}
    [/store_unit]

    {ASSERT {VARIABLE_CONDITIONAL {ID1}.hitpoints numerical_equals "$(${ID1}.max_hitpoints-{DAMAGE1})"}}
    {ASSERT {VARIABLE_CONDITIONAL {ID2}.hitpoints numerical_equals "$(${ID2}.max_hitpoints-{DAMAGE2})"}}

    {CLEAR_VARIABLE {ID1}}
    {CLEAR_VARIABLE {ID2}}
#enddef

# Takes a unit id, and checks that its hitpoints and experience are the expected values.
# Clobbers the variable "temp".
#define ASSERT_UNIT_HP_XP ID EXPECTED_HP EXPECTED_XP
    [store_unit]
        [filter]
            id={ID}
        [/filter]
        variable=temp
    [/store_unit]

    {ASSERT ({VARIABLE_CONDITIONAL temp.length numerical_equals 1})}
    {ASSERT ({VARIABLE_CONDITIONAL temp.hitpoints numerical_equals {EXPECTED_HP}})}
    {ASSERT ({VARIABLE_CONDITIONAL temp.experience numerical_equals {EXPECTED_XP}})}

    {CLEAR_VARIABLE temp}
#enddef

# checks the number of strikes of all weapons a unit has
# they are expected to have the same number of strikes on all weapons
#define CHECK_STRIKES WEAPONS STRIKES RESULT

#arg ID1
alice#endarg

#arg ID2
bob#endarg

#arg COMPARE
numerical_equals#endarg

    [event]
        name = start

        [modify_unit]
            [filter]
                id={ID1},{ID2}
            [/filter]
            [effect]
                apply_to=attack
                [set_specials]
                    mode=append
                    [damage]
                        value=1
                    [/damage]
                    [chance_to_hit]
                        value=100
                    [/chance_to_hit]
                [/set_specials]
            [/effect]
        [/modify_unit]

        {VARIABLE {ID1}_{ID2}_count 0}

        [for]
            variable=i
            start=0
            step=1
            end="$({WEAPONS}-1)"
            [do]
                [test_do_attack_by_id]
                    attacker={ID1}
                    defender={ID2}
                    weapon=$i
                    resupply_attacks_left=5
                [/test_do_attack_by_id]
            [/do]
        [/for]
    [/event]

    [event]
        name=pre attack
        first_time_only=no

        [filter]
            id={ID1}
        [/filter]

        {VARIABLE {ID1}_{ID2}_strikes 0}
    [/event]

    [event]
        name=attacker hits, attacker misses
        first_time_only=no

        [filter]
            id={ID1}
        [/filter]

        {VARIABLE_OP {ID1}_{ID2}_strikes add 1}
    [/event]

    [event]
        name=attack end
        first_time_only=no

        [filter]
            id={ID1}
        [/filter]

        {ASSERT {VARIABLE_CONDITIONAL {ID1}_{ID2}_strikes {COMPARE} {STRIKES}}}
        {VARIABLE_OP {ID1}_{ID2}_count add 1}
        [if]
            {VARIABLE_CONDITIONAL {ID1}_{ID2}_count numerical_equals {WEAPONS}}
            [then]
                {RESULT}
            [/then]
        [/if]
    [/event]
#enddef