1 files changed, 140 insertions, 0 deletions
diff --git a/src/boost/tools/build/test/expansion.py b/src/boost/tools/build/test/expansion.py
new file mode 100644
index 000000000..9042407f7
--- /dev/null
+++ b/src/boost/tools/build/test/expansion.py
@@ -0,0 +1,140 @@
+#!/usr/bin/python
+
+# Copyright 2003 Vladimir Prus
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
+
+
+import BoostBuild
+
+t = BoostBuild.Tester(arguments=["--config="], pass_toolset=0)
+
+t.write("source.input", "")
+
+t.write("test-properties.jam", """
+import feature : feature ;
+import generators ;
+import toolset ;
+import type ;
+
+# We're not using the toolset at all, and we want to
+# suppress toolset initialization to avoid surprises.
+feature.extend toolset : null ;
+
+type.register CHECK : check ;
+type.register INPUT : input ;
+feature expected-define : : free ;
+feature unexpected-define : : free ;
+toolset.flags test-properties DEFINES : <define> ;
+toolset.flags test-properties EXPECTED : <expected-define> ;
+toolset.flags test-properties UNEXPECTED : <unexpected-define> ;
+generators.register-standard test-properties.check : INPUT : CHECK ;
+rule check ( target : source : properties * )
+{
+    local defines = [ on $(target) return $(DEFINES) ] ;
+    for local macro in [ on $(target) return $(EXPECTED) ]
+    {
+        if ! ( $(macro) in $(defines) )
+        {
+            EXIT expected $(macro) for $(target) in $(properties) : 1 ;
+        }
+    }
+    for local macro in [ on $(target) return $(UNEXPECTED) ]
+    {
+        if $(macro) in $(defines)
+        {
+            EXIT unexpected $(macro) for $(target) in $(properties) : 1 ;
+        }
+    }
+}
+actions check
+{
+    echo okay > $(<)
+}
+""")
+
+t.write("jamfile.jam", """
+import test-properties ;
+# See if default value of composite feature 'cf' will be expanded to
+# <define>CF_IS_OFF.
+check a : source.input : <expected-define>CF_IS_OFF ;
+
+# See if subfeature in requirements in expanded.
+check b : source.input : <cf>on-1
+    <expected-define>CF_1 <unexpected-define>CF_IS_OFF ;
+
+# See if conditional requirements are recursively expanded.
+check c : source.input : <toolset>null:<variant>release
+    <variant>release:<define>FOO <expected-define>FOO
+    ;
+
+# Composites specified in the default build should not
+# be expanded if they are overridden in the the requirements.
+check d : source.input : <cf>on <unexpected-define>CF_IS_OFF : <cf>off ;
+
+# Overriding a feature should clear subfeatures and
+# apply default values of subfeatures.
+check e : source.input : <cf>always
+    <unexpected-define>CF_IS_OFF <expected-define>CF_2 <unexpected-define>CF_1
+  : <cf>on-1  ;
+
+# Subfeatures should not be changed if the parent feature doesn't change
+check f : source.input : <cf>on <expected-define>CF_1 : <cf>on-1 ;
+
+# If a subfeature is not specific to the value of the parent feature,
+# then changing the parent value should not clear the subfeature.
+check g : source.input : <fopt>off <expected-define>FOPT_2 : <fopt>on-2 ;
+
+# If the default value of a composite feature adds an optional
+# feature which has a subfeature with a default, then that
+# default should be added.
+check h : source.input : <expected-define>CX_2 ;
+
+# If the default value of a feature is used, then the
+# default value of its subfeatures should also be used.
+check i : source.input : <expected-define>SF_1 ;
+
+# Subfeatures should be expanded when listed in a
+# target reference.
+check j-impl : source.input : <expected-define>CF_1 ;
+explicit j-impl ;
+alias j : j-impl/<cf>on-1 ;
+""")
+
+t.write("jamroot.jam", """
+import feature ;
+feature.feature cf : off on always : composite incidental ;
+feature.compose <cf>off : <define>CF_IS_OFF ;
+feature.subfeature cf on : version : 1 2 : composite optional incidental ;
+feature.compose <cf-on:version>1 : <define>CF_1 ;
+feature.subfeature cf always : version : 1 2 : composite incidental ;
+feature.compose <cf-always:version>1 : <define>CF_2 ;
+feature.feature fopt : on off : optional incidental ;
+feature.subfeature fopt : version : 1 2 : composite incidental ;
+feature.compose <fopt-version>2 : <define>FOPT_2 ;
+
+feature.feature cx1 : on : composite incidental ;
+feature.feature cx2 : on : optional incidental ;
+feature.subfeature cx2 on : sub : 1 : composite incidental ;
+feature.compose <cx1>on : <cx2>on ;
+feature.compose <cx2-on:sub>1 : <define>CX_2 ;
+
+feature.feature sf : a : incidental ;
+feature.subfeature sf a : sub : 1 : composite incidental ;
+feature.compose <sf-a:sub>1 : <define>SF_1 ;
+""")
+
+t.expand_toolset("jamfile.jam")
+
+t.run_build_system()
+t.expect_addition(["bin/debug/a.check",
+                   "bin/debug/b.check",
+                   "bin/null/release/c.check",
+                   "bin/debug/d.check",
+                   "bin/debug/e.check",
+                   "bin/debug/f.check",
+                   "bin/debug/g.check",
+                   "bin/debug/h.check",
+                   "bin/debug/i.check"])
+
+t.cleanup()