# MIT License
#
# Copyright The SCons Foundation
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"""
Test the $MSVC_USE_SETTINGS construction variable.
"""

import TestSCons

_python_ = TestSCons._python_

test = TestSCons.TestSCons()

test.skip_if_not_msvc()

test.write('SConstruct', """
e1 = Environment()
cl1 = e1.WhereIs('cl.exe')

e2 = Environment(tools=[])

d = {key: e1['ENV'][key] for key in e1['ENV'].keys() if key not in e2['ENV'] or e1['ENV'][key] != e2['ENV'][key]}
e3 = Environment(MSVC_USE_SETTINGS=d)
cl3 = e3.WhereIs('cl.exe')

if cl1 == cl3:
    print("CL.EXE PATHS MATCH")
""" % locals())

test.run(arguments = ".", status=0, stderr=None)

test.must_contain_all(test.stdout(), "CL.EXE PATHS MATCH")

test.write('SConstruct', """
env = Environment(MSVC_USE_SETTINGS={})
""" % locals())

test.run(arguments = "--warn=visual-c-missing .", status=0, stderr=None)

test.must_contain_all(test.stderr(), "Could not find MSVC compiler 'cl'")

test.write('SConstruct', """
env = Environment(MSVC_USE_SETTINGS='dict or None')
""" % locals())
  
test.run(arguments = ".", status=2, stderr=None)
  
test.must_contain_all(test.stderr(), "MSVCUseSettingsError: MSVC_USE_SETTINGS type error")
  
test.pass_test()

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