1 files changed, 91 insertions, 0 deletions
diff --git a/test/HeaderGen.py b/test/HeaderGen.py
new file mode 100644
index 000000000..5a7fdbe09
--- /dev/null
+++ b/test/HeaderGen.py
@@ -0,0 +1,91 @@
+#!/usr/bin/env python
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+"""
+Test that dependencies in generated header files get re-scanned correctly
+and that generated header files don't cause circular dependencies.
+"""
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.write('SConstruct', """\
+def writeFile(target, contents):
+    file = open(str(target[0]), 'wb')
+    file.write(contents)
+    file.close()
+    return 0
+
+env = Environment()
+libgen = env.StaticLibrary('gen', 'gen.cpp')
+Default(libgen)
+env.Command('gen2.h', [],
+            lambda env,target,source: writeFile(target, 'int foo = 3;\\n'))
+env.Command('gen.h', [],
+            lambda env,target,source: writeFile(target, '#include "gen2.h"\\n'))
+env.Command('gen.cpp', [],
+            lambda env,target,source: writeFile(target, '#include "gen.h"\\n'))
+""")
+
+test.run(stderr=TestSCons.noisy_ar,
+         match=TestSCons.match_re_dotall)
+
+test.up_to_date(arguments = '.')
+
+test.write('SConstruct', """\
+env = Environment()
+
+def gen_a_h(target, source, env):
+    t = open(str(target[0]), 'wb')
+    s = open(str(source[0]), 'rb')
+    s.readline()
+    t.write(s.readline()[:-1] + ';\\n')
+
+MakeHeader = Builder(action = gen_a_h)
+env_no_scan = env.Clone(SCANNERS=[], BUILDERS={'MakeHeader' : MakeHeader})
+env_no_scan.MakeHeader('a.h', 'a.c')
+
+env.StaticObject('a.c')
+""")
+
+test.write('a.c', """\
+#include "a.h"
+void a(void)
+{
+        ;
+}
+""")
+
+test.run()
+
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: