#!/usr/bin/env python
#
# MIT License
#
# Copyright The SCons Foundation
#
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# permit persons to whom the Software is furnished to do so, subject to
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# The above copyright notice and this permission notice shall be included
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"""
Verify that expansion of construction variables whose values are
lists works as expected within a $CPPPATH list definition.

Previously, the stringification of the expansion of the individual
variables would turn a list like ['sub1', 'sub2'] below into "-Isub1 sub2"
on the command line.

Test case courtesy Daniel Svensson.
"""

import TestSCons

test = TestSCons.TestSCons()

test.subdir('sub1', 'sub2', 'sub3', 'sub4')

test.write('SConstruct', """\
DefaultEnvironment(tools=[])
class _inc_test:
    def __init__(self, name):
        self.name = name

    def __call__(self, target, source, env, for_signature):
        return env.something[self.name]

env = Environment()

env.something = {}
env.something['test'] = ['sub1', 'sub2']

env['INC_PATHS1'] = _inc_test

env['INC_PATHS2'] = ['sub3', 'sub4']

env.Append(CPPPATH = ['${INC_PATHS1("test")}', '$INC_PATHS2'])
env.Program('test', 'test.c')
""")

test.write('test.c', """\
#include <stdio.h>
#include <stdlib.h>
#include "string1.h"
#include "string2.h"
#include "string3.h"
#include "string4.h"

int
main(int argc, char *argv[])
{
        argv[argc++] = "--";
        printf("test.c\\n");
        printf("%s\\n", STRING1);
        printf("%s\\n", STRING2);
        printf("%s\\n", STRING3);
        printf("%s\\n", STRING4);
        exit (0);
}
""")

test.write(['sub1', 'string1.h'], """\
#define STRING1 "sub1/string1.h"
""")

test.write(['sub2', 'string2.h'], """\
#define STRING2 "sub2/string2.h"
""")

test.write(['sub3', 'string3.h'], """\
#define STRING3 "sub3/string3.h"
""")

test.write(['sub4', 'string4.h'], """\
#define STRING4 "sub4/string4.h"
""")

test.run()

test.up_to_date(arguments = '.')

expect = """\
test.c
sub1/string1.h
sub2/string2.h
sub3/string3.h
sub4/string4.h
"""

test.run(program = test.workpath('test' + TestSCons._exe), stdout=expect)

test.write(['sub2', 'string2.h'], """\
#define STRING2 "sub2/string2.h 2"
""")

test.not_up_to_date(arguments = '.')

expect = """\
test.c
sub1/string1.h
sub2/string2.h 2
sub3/string3.h
sub4/string4.h
"""

test.run(program = test.workpath('test' + TestSCons._exe), stdout=expect)

test.pass_test()

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