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

"""
Verify that use of the Scanner that evaluates CPP lines works as expected.
"""

import TestSCons

test = TestSCons.TestSCons()

m = 'Scanner evaluation of CPP lines not yet supported; skipping test.\n'
test.skip_test(m)

f1_exe = 'f1' + TestSCons._exe
f2_exe = 'f2' + TestSCons._exe
f3_exe = 'f3' + TestSCons._exe
f4_exe = 'f4' + TestSCons._exe

test.write('SConstruct', """\
env = Environment(CPPPATH = ['.'])

f1 = env.Object('f1', 'fff.c', CPPDEFINES = ['F1'])
f2 = env.Object('f2', 'fff.c', CPPDEFINES = [('F2', 1)])
f3 = env.Object('f3', 'fff.c', CPPDEFINES = {'F3':None})
f4 = env.Object('f4', 'fff.c', CPPDEFINES = {'F4':1})

env.Program('f1', ['prog.c', f1])
env.Program('f2', ['prog.c', f2])
env.Program('f3', ['prog.c', f3])
env.Program('f4', ['prog.c', f4])
""")

test.write('f1.h', """
#define STRING  "F1"
""")

test.write('f2.h', """
#define STRING  "F2"
""")

test.write('f3.h', """
#define STRING  "F3"
""")

test.write('f4.h', """
#define STRING  "F4"
""")

test.write('fff.c', """
#ifdef  F1
#include <f1.h>
#endif
#if     F2
#include <f2.h>
#endif
#ifdef  F3
#include <f3.h>
#endif
#ifdef  F4
#include <f4.h>
#endif

char *
foo(void)
{
    return (STRING);
}
""")


test.write('prog.c', r"""
#include <stdio.h>
#include <stdlib.h>

extern char *foo(void);

int
main(int argc, char *argv[])
{
        argv[argc++] = "--";
        printf("prog.c:  %s\n", foo());
        exit (0);
}
""")



test.run(arguments = '.')

test.run(program = test.workpath('f1'), stdout = "prog.c:  F1\n")
test.run(program = test.workpath('f2'), stdout = "prog.c:  F2\n")
test.run(program = test.workpath('f3'), stdout = "prog.c:  F3\n")
test.run(program = test.workpath('f4'), stdout = "prog.c:  F4\n")



test.write('f1.h', """
#define STRING  "F1 again"
""")

test.up_to_date(arguments = '%(f2_exe)s %(f3_exe)s %(f4_exe)s' % locals())

test.not_up_to_date(arguments = '.')

test.run(program = test.workpath('f1'), stdout = "prog.c:  F1 again\n")
test.run(program = test.workpath('f2'), stdout = "prog.c:  F2\n")
test.run(program = test.workpath('f3'), stdout = "prog.c:  F3\n")
test.run(program = test.workpath('f4'), stdout = "prog.c:  F4\n")



test.write('f2.h', """
#define STRING  "F2 again"
""")

test.up_to_date(arguments = '%(f1_exe)s %(f3_exe)s %(f4_exe)s' % locals())

test.not_up_to_date(arguments = '.')

test.run(program = test.workpath('f1'), stdout = "prog.c:  F1 again\n")
test.run(program = test.workpath('f2'), stdout = "prog.c:  F2 again\n")
test.run(program = test.workpath('f3'), stdout = "prog.c:  F3\n")
test.run(program = test.workpath('f4'), stdout = "prog.c:  F4\n")



test.write('f3.h', """
#define STRING  "F3 again"
""")

test.up_to_date(arguments = '%(f1_exe)s %(f2_exe)s %(f4_exe)s' % locals())

test.not_up_to_date(arguments = '.')

test.run(program = test.workpath('f1'), stdout = "prog.c:  F1 again\n")
test.run(program = test.workpath('f2'), stdout = "prog.c:  F2 again\n")
test.run(program = test.workpath('f3'), stdout = "prog.c:  F3 again\n")
test.run(program = test.workpath('f4'), stdout = "prog.c:  F4\n")



test.write('f4.h', """
#define STRING  "F4 again"
""")

test.up_to_date(arguments = '%(f1_exe)s %(f2_exe)s %(f3_exe)s' % locals())

test.not_up_to_date(arguments = '.')

test.run(program = test.workpath('f1'), stdout = "prog.c:  F1 again\n")
test.run(program = test.workpath('f2'), stdout = "prog.c:  F2 again\n")
test.run(program = test.workpath('f3'), stdout = "prog.c:  F3 again\n")
test.run(program = test.workpath('f4'), stdout = "prog.c:  F4 again\n")



test.pass_test()

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