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

"""
Verify that the cache mechanism works when checks are not ok.
"""

import TestSCons

_exe = TestSCons._exe
_obj = TestSCons._obj

test = TestSCons.TestSCons()

lib = test.Configure_lib

NCR = test.NCR  # non-cached rebuild
CR  = test.CR   # cached rebuild (up to date)
NCF = test.NCF  # non-cached build failure
CF  = test.CF   # cached build failure

test.write('SConstruct', """\
if not int(ARGUMENTS.get('target_signatures_content', 0)):
    Decider('timestamp-newer')
env = Environment()
import os
env.AppendENVPath('PATH', os.environ['PATH'])
conf = env.Configure()
r1 = conf.CheckCHeader( 'no_std_c_header.h' ) # leads to compile error
r2 = conf.CheckLib( 'no_c_library_SAFFDG' )   # leads to link error
env = conf.Finish()
if not (not r1 and not r2):
     print "FAIL: ", r1, r2
     Exit(1)
""")

# Verify correct behavior when we call Decider('timestamp-newer').

test.run()
test.checkLogAndStdout(["Checking for C header file no_std_c_header.h... ",
                       "Checking for C library no_c_library_SAFFDG... "],
                      ["no"]*2,
                      [[((".c", NCR), (_obj, NCF))],
                       [((".c", NCR), (_obj, NCR), (_exe, NCF))]],
                      "config.log", ".sconf_temp", "SConstruct")

test.run()
test.checkLogAndStdout(["Checking for C header file no_std_c_header.h... ",
                       "Checking for C library no_c_library_SAFFDG... "],
                      ["no"]*2,
                      [[((".c", CR), (_obj, NCF))],
                       [((".c", CR), (_obj, CR), (_exe, NCF))]],
                      "config.log", ".sconf_temp", "SConstruct")

# Same should be true for the default behavior of Decider('content').

test.run(arguments='target_signatures_content=1 --config=force')
test.checkLogAndStdout(["Checking for C header file no_std_c_header.h... ",
                       "Checking for C library no_c_library_SAFFDG... "],
                      ["no"]*2,
                      [[((".c", NCR), (_obj, NCF))],
                       [((".c", NCR), (_obj, NCR), (_exe, NCF))]],
                      "config.log", ".sconf_temp", "SConstruct")

test.run(arguments='target_signatures_content=1')
test.checkLogAndStdout(["Checking for C header file no_std_c_header.h... ",
                       "Checking for C library no_c_library_SAFFDG... "],
                      ["no"]*2,
                      [[((".c", CR), (_obj, CF))],
                       [((".c", CR), (_obj, CR), (_exe, CF))]],
                      "config.log", ".sconf_temp", "SConstruct")

test.pass_test()

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