1 files changed, 137 insertions, 0 deletions
diff --git a/test/implicit-cache/DualTargets.py b/test/implicit-cache/DualTargets.py
new file mode 100644
index 0000000..cf41640
--- /dev/null
+++ b/test/implicit-cache/DualTargets.py
@@ -0,0 +1,137 @@
+#!/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 --implicit-cache works correctly in conjonction with a
+builder that produces multiple targets.
+"""
+
+import string
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.write('SConstruct', """\
+import os.path
+
+def emitter(target, source, env):
+    tgt0 = target[0].abspath
+    base,ext = os.path.splitext(tgt0)
+    target.append(base + '.b')
+    return(target, source)
+
+
+def source_scan(node, env, path):
+    path = node.abspath
+    base,ext = os.path.splitext(path)
+    return [base + '.lib']
+
+
+env = Environment()
+env['BUILDERS']['DualTarget'] = Builder(
+    action = Action(
+        [ 
+            Copy( '$TARGET', '$SOURCE' ), 
+            Copy( '${TARGET.base}.b', '$SOURCE' ), 
+            ],
+        ),
+    suffix = '.a',
+    src_suffix = '.cpp',
+    single_source = True,
+    emitter=emitter,
+    source_scanner=Scanner(source_scan),
+    )
+
+env.Command( 'x.cpp', '', Touch('$TARGET') )
+env.Command( 'x.lib', '', Touch('$TARGET') )
+
+env.DualTarget('x.cpp')
+""" % locals())
+
+test.must_not_exist('x.cpp')
+test.must_not_exist('x.lib')
+test.must_not_exist('x.a')
+test.must_not_exist('x.b')
+
+# Build everything first.
+test.run(arguments = '.')
+test.must_exist('x.cpp')
+test.must_exist('x.lib')
+test.must_exist('x.a')
+test.must_exist('x.b')
+
+test.fail_test(string.find(test.stdout(), 'Copy') == -1)
+
+# Double check that targets are not rebuilt.
+test.run(arguments = '.')
+test.must_exist('x.cpp')
+test.must_exist('x.lib')
+test.must_exist('x.a')
+test.must_exist('x.b')
+
+test.fail_test(string.find(test.stdout(), 'Copy') != -1)
+
+# Double check that targets are not rebuilt even with --implicit-cache
+test.run(arguments = '--implicit-cache x.a')
+test.must_exist('x.cpp')
+test.must_exist('x.lib')
+test.must_exist('x.a')
+test.must_exist('x.b')
+
+test.fail_test(string.find(test.stdout(), 'Copy') != -1)
+
+# Double check that targets are not rebuilt even with --implicit-cache
+# a second time.
+test.run(arguments = '--implicit-cache x.a')
+test.must_exist('x.cpp')
+test.must_exist('x.lib')
+test.must_exist('x.a')
+test.must_exist('x.b')
+
+test.fail_test(string.find(test.stdout(), 'Copy') != -1)
+
+# Double check that targets are not rebuilt if we reran without
+# --implicit-cache
+test.run(arguments = '.')
+test.must_exist('x.cpp')
+test.must_exist('x.lib')
+test.must_exist('x.a')
+test.must_exist('x.b')
+
+test.fail_test(string.find(test.stdout(), 'Copy') != -1)
+
+# Double check again
+test.run(arguments = '.')
+test.must_exist('x.cpp')
+test.must_exist('x.lib')
+test.must_exist('x.a')
+test.must_exist('x.b')
+
+test.fail_test(string.find(test.stdout(), 'Copy') != -1)
+
+# Then only of the targets using --implicit-cache
+test.pass_test()