#!/usr/bin/env python3

# Copyright 2013 Steven Watanabe
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE.txt or https://www.bfgroup.xyz/b2/LICENSE.txt)

# Tests that action sources are not reordered

import BoostBuild

t = BoostBuild.Tester()

t.write("check-order.jam", """\
import type ;
import generators ;

type.register ORDER_TEST : order-test ;

SPACE = " " ;
nl = "\n" ;
actions check-order
{
    echo$(SPACE)$(>[1])>$(<[1])
    echo$(SPACE)$(>[2-])>>$(<[1])$(nl)
}

generators.register-composing check-order.check-order : C : ORDER_TEST ;
""")

t.write(
    'check-order.py',
"""
import bjam

from b2.build import type as type_, generators
from b2.tools import common
from b2.manager import get_manager

MANAGER = get_manager()
ENGINE = MANAGER.engine()

type_.register('ORDER_TEST', ['order-test'])

generators.register_composing('check-order.check-order', ['C'], ['ORDER_TEST'])

def check_order(targets, sources, properties):
    ENGINE.set_target_variable(targets, 'SPACE', ' ')
    ENGINE.set_target_variable(targets, 'nl', '\\n')

ENGINE.register_action(
    'check-order.check-order',
    function=check_order,
    command='''
    echo$(SPACE)$(>[1])>$(<[1])
    echo$(SPACE)$(>[2-])>>$(<[1])$(nl)
    '''
)
"""
)

# The aliases are necessary for this test, since
# the targets were sorted by virtual target
# id, not by file name.
t.write("jamroot.jam", """\
import check-order ;
alias file1 : file1.c ;
alias file2 : file2.c ;
alias file3 : file3.c ;
order-test check : file2 file1 file3 ;
""")

t.write("file1.c", "")
t.write("file2.c", "")
t.write("file3.c", "")

t.run_build_system()
t.expect_addition("bin/check.order-test")
t.expect_content("bin/check.order-test", """\
file2.c
file1.c
file3.c
""", True)

t.cleanup()
