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SCons / test / Interactive / added-include.py

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#!/usr/bin/env python
#
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
This verifies the --interactive command line option's ability to
rebuild a target when an implicit dependency (include line) is
added to the source file.
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('foo.h.in', """
#define FOO_STRING "foo.h.in"
""")

test.write('foo.c', """
#include <stdio.h>

int main()
{
    printf("foo.c\\n");
    return 0;
}
""")

test.write('SConstruct', """
env = Environment(CPPPATH=['.'])
env.Command('foo.h', ['foo.h.in'], Copy('$TARGET', '$SOURCE'))
env.Program('foo', ['foo.c'])
Command('1', [], Touch('$TARGET'))
Command('2', [], Touch('$TARGET'))
Command('3', [], Touch('$TARGET'))
""")

foo_exe     = test.workpath('foo' + TestSCons._exe)



# Start scons, to build "foo"
scons = test.start(arguments = '--interactive')

scons.send("build %(foo_exe)s 1\n" % locals())

test.wait_for(test.workpath('1'), popen=scons)

test.run(program = foo_exe, stdout = 'foo.c\n')




# Update foo.c
# We add a new #include line, to make sure that scons notices
# the new implicit dependency and builds foo.h first.
test.write('foo.c', """
#include <foo.h>

#include <stdio.h>

int main()
{
    printf("%s\\n", FOO_STRING);
    return 0;
}
""")

scons.send("build %(foo_exe)s 2\n" % locals())

test.wait_for(test.workpath('2'))

# Run foo, and make sure it prints correctly
test.run(program = foo_exe, stdout = 'foo.h.in\n')



test.write('foo.h.in', """
#define FOO_STRING "foo.h.in 3"
""")



scons.send("build %(foo_exe)s 3\n" % locals())

test.wait_for(test.workpath('3'))

# Run foo, and make sure it prints correctly
test.run(program = foo_exe, stdout = 'foo.h.in 3\n')



test.pass_test()

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