build/test/pch.py
Rene Rivera 85e5a2caa8 Port b2 tests to dual py2 and py3.
Now that the tests work in py2 or p3 we don't set py version in AP. This
allows for dealing with the AP images that don't have a way to set the
py version.
2019-03-31 15:37:03 -05:00

59 lines
1.3 KiB
Python

#!/usr/bin/python
# Copyright 2006 Vladimir Prus.
# Distributed under the Boost Software License, Version 1.0. (See
# accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
import BoostBuild
from time import sleep
t = BoostBuild.Tester()
t.write("jamroot.jam", """
import pch ;
cpp-pch pch : pch.hpp : <toolset>msvc:<source>pch.cpp <include>. ;
exe hello : hello.cpp pch : <include>. ;
""")
t.write("pch.hpp.bad", """
THIS WILL NOT COMPILE
""")
# Note that pch.hpp is written after pch.hpp.bad, so its timestamp will not be
# less than timestamp of pch.hpp.bad.
sleep(1)
t.write("pch.hpp", """
class TestClass
{
public:
TestClass( int, int ) {}
};
""")
t.write("pch.cpp", """#include <pch.hpp>
""")
t.write("hello.cpp", """#include <pch.hpp>
int main() { TestClass c(1, 2); }
""")
t.run_build_system()
t.expect_addition("bin/$toolset/debug*/hello.exe")
# Now make the header unusable, without changing timestamp. If everything is OK,
# Boost.Build will not recreate PCH, and compiler will happily use pre-compiled
# header, not noticing that the real header is bad.
t.copy_preserving_timestamp("pch.hpp.bad", "pch.hpp")
t.rm("bin/$toolset/debug/hello.obj")
t.rm("bin/$toolset/debug/*/hello.obj")
t.run_build_system()
t.expect_addition("bin/$toolset/debug*/hello.obj")
t.cleanup()