core_d12.py

C++的一个好库。。。现在很流行

#!/usr/bin/python

# This tests correct handling of "-d1" and "-d2" options.

import BoostBuild

t = BoostBuild.Tester(pass_toolset=0)

t.write("file.jam", """
actions a {    
}

actions quietly b {
}

ALWAYS all ;

a all ;
b all ;
""")

t.run_build_system("-ffile.jam -d0", stdout="")

t.run_build_system("-ffile.jam -d1", stdout=
"""...found 1 target...
...updating 1 target...
a all
...updated 1 target...
""")

t.run_build_system("-ffile.jam -d2")

t.fail_test(t.stdout().find("a all") == -1)
t.fail_test(t.stdout().find("b all") == -1)

t.cleanup()