#!/usr/bin/env python
#
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# a copy of this software and associated documentation files (the
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Verify that we don't perform Configure context actions when the
-H, -h or --help options have been specified.
"""

import string

import TestSCons

test = TestSCons.TestSCons(match = TestSCons.match_re_dotall)

test.write('SConstruct', """\
env = Environment()
import os
env.AppendENVPath('PATH', os.environ['PATH'])
conf = Configure(env)
r1 = conf.CheckCHeader( 'math.h' )
r2 = conf.CheckCHeader( 'no_std_c_header.h' ) # leads to compile error
env = conf.Finish()
Export( 'env' )
SConscript( 'SConscript' )
""")

test.write('SConscript', """\
Import( 'env' )
env.Program( 'TestProgram', 'TestProgram.c' )
""")

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

int main() {
  printf( "Hello\\n" );
}
""")

lines = [
    "Checking for C header file math.h... ",
    "Checking for C header file no_std_c_header.h... "
]

unexpected = []

test.run(arguments = '-H')

for line in lines:
    if string.find(test.stdout(), line) != -1:
        unexpected.append(line)

if unexpected:
    print "Unexpected lines in standard output:"
    print string.join(unexpected, '\n')
    print "STDOUT ============================================================"
    print test.stdout()
    test.fail_test()

test.run(arguments = '-h')

for line in lines:
    if string.find(test.stdout(), line) != -1:
        unexpected.append(line)

if unexpected:
    print "Unexpected lines in standard output:"
    print string.join(unexpected, '\n')
    print "STDOUT ============================================================"
    print test.stdout()
    test.fail_test()

test.run(arguments = '--help')

for line in lines:
    if string.find(test.stdout(), line) != -1:
        unexpected.append(line)

if unexpected:
    print "Unexpected lines in standard output:"
    print string.join(unexpected, '\n')
    print "STDOUT ============================================================"
    print test.stdout()
    test.fail_test()

test.pass_test()