1 files changed, 33 insertions, 2 deletions
diff --git a/src/engine/SCons/Platform/PlatformTests.py b/src/engine/SCons/Platform/PlatformTests.py
index 69128b2..da7adac 100644
--- a/src/engine/SCons/Platform/PlatformTests.py
+++ b/src/engine/SCons/Platform/PlatformTests.py
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2001 - 2014 The SCons Foundation
+# Copyright (c) 2001 - 2015 The SCons Foundation
 #
 # Permission is hereby granted, free of charge, to any person obtaining
 # a copy of this software and associated documentation files (the
@@ -21,7 +21,7 @@
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 
-__revision__ = "src/engine/SCons/Platform/PlatformTests.py  2014/09/27 12:51:43 garyo"
+__revision__ = "src/engine/SCons/Platform/PlatformTests.py pchdll:3325:cd517fae59a4 2015/06/18 06:53:27 bdbaddog"
 
 import SCons.compat
 
@@ -156,6 +156,37 @@ class TempFileMungeTestCase(unittest.TestCase):
         SCons.Action.print_actions = old_actions
         assert cmd != defined_cmd, cmd
 
+    def test_tempfilecreation_once(self):
+        # Init class with cmd, such that the fully expanded
+        # string reads "a test command line".
+        # Note, how we're using a command string here that is
+        # actually longer than the substituted one. This is to ensure
+        # that the TempFileMunge class internally really takes the
+        # length of the expanded string into account.
+        defined_cmd = "a $VERY $OVERSIMPLIFIED line"
+        t = SCons.Platform.TempFileMunge(defined_cmd)
+        env = SCons.Environment.SubstitutionEnvironment(tools=[])
+        # Setting the line length high enough...
+        env['VERY'] = 'test'
+        env['OVERSIMPLIFIED'] = 'command'
+        expanded_cmd = env.subst(defined_cmd)
+        env['MAXLINELENGTH'] = len(expanded_cmd)-1
+        # Disable printing of actions...
+        old_actions = SCons.Action.print_actions
+        SCons.Action.print_actions = 0
+        # Create an instance of object derived class to allow setattrb
+        class Node(object) :
+            class Attrs(object): 
+                pass
+            def __init__(self): 
+                self.attributes = self.Attrs()
+        target = [Node()]
+        cmd = t(target, None, env, 0)
+        # ...and restoring its setting.
+        SCons.Action.print_actions = old_actions
+        assert cmd != defined_cmd, cmd
+        assert cmd == getattr(target[0].attributes, 'tempfile_cmdlist', None)
+
 if __name__ == "__main__":
     suite = unittest.TestSuite()