1 files changed, 106 insertions, 0 deletions
diff --git a/test/LEX/live.py b/test/LEX/live.py
new file mode 100644
index 0000000..f50b06f
--- /dev/null
+++ b/test/LEX/live.py
@@ -0,0 +1,106 @@
+#!/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 LEX and LEXFLAGS with a live lex.
+"""
+
+import TestSCons
+
+_exe = TestSCons._exe
+_python_ = TestSCons._python_
+
+test = TestSCons.TestSCons()
+
+lex = test.where_is('lex') or test.where_is('flex')
+
+if not lex:
+    test.skip_test('No lex or flex found; skipping test.\n')
+
+
+
+test.write("wrapper.py", """import os
+import sys
+open('%s', 'wb').write("wrapper.py\\n")
+os.system(" ".join(sys.argv[1:]))
+""" % test.workpath('wrapper.out').replace('\\', '\\\\'))
+
+test.write('SConstruct', """
+foo = Environment()
+lex = foo.Dictionary('LEX')
+bar = Environment(LEX = r'%(_python_)s wrapper.py ' + lex,
+                  LEXFLAGS = '-b')
+foo.Program(target = 'foo', source = 'foo.l')
+bar.Program(target = 'bar', source = 'bar.l')
+""" % locals())
+
+lex = r"""
+%%%%
+a       printf("A%sA");
+b       printf("B%sB");
+%%%%
+int
+yywrap()
+{
+    return 1;
+}
+
+main()
+{
+    yylex();
+}
+"""
+
+test.write('foo.l', lex % ('foo.l', 'foo.l'))
+
+test.write('bar.l', lex % ('bar.l', 'bar.l'))
+
+test.run(arguments = 'foo' + _exe, stderr = None)
+
+test.must_not_exist(test.workpath('wrapper.out'))
+test.must_not_exist(test.workpath('lex.backup'))
+
+test.run(program = test.workpath('foo'), stdin = "a\n", stdout = "Afoo.lA\n")
+
+
+
+
+test.run(arguments = 'bar' + _exe)
+
+test.must_match(test.workpath('wrapper.out'), "wrapper.py\n")
+test.must_exist(test.workpath('lex.backup'))
+
+test.run(program = test.workpath('bar'), stdin = "b\n", stdout = "Bbar.lB\n")
+
+
+
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: