1 files changed, 71 insertions, 0 deletions
diff --git a/tools/build/test/load_order.py b/tools/build/test/load_order.py
new file mode 100644
index 000000000..c35ca8da3
--- /dev/null
+++ b/tools/build/test/load_order.py
@@ -0,0 +1,71 @@
+#!/usr/bin/python
+
+# Copyright 2004 Vladimir Prus.
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# Test that we load parent projects before loading children.
+
+import BoostBuild
+
+t = BoostBuild.Tester(use_test_config=False)
+
+t.write("jamroot.jam", """\
+use-project /child : child ;
+ECHO "Setting parent requirements" ;
+project : requirements <define>PASS_THE_TEST ;
+alias x : child//main ;
+""")
+
+t.write("child/jamfile.jam", """\
+ECHO "Setting child requirements" ;
+project /child ;
+exe main : main.cpp ;
+""")
+
+t.write("child/main.cpp", """\
+#if defined(PASS_THE_TEST)
+int main() {}
+#endif
+""")
+
+t.run_build_system()
+
+t.expect_addition("child/bin/$toolset/debug/main.exe")
+t.fail_test(t.stdout().find("Setting child requirements") < t.stdout().find(
+    "Setting parent requirements"))
+
+
+# Regression test: parent requirements were ignored in some cases.
+t.rm(".")
+t.write("jamroot.jam", "build-project src ;")
+t.write("src/jamfile.jam", "project : requirements <define>EVERYTHING_OK ;")
+t.write("src/app/jamfile.jam", "exe test : test.cpp ;")
+t.write("src/app/test.cpp", """\
+#ifdef EVERYTHING_OK
+int main() {}
+#endif
+""")
+
+t.run_build_system(subdir="src/app")
+t.expect_addition("src/app/bin/$toolset/debug/test.exe")
+
+
+# child/child2 used to be loaded before child
+t.rm(".")
+t.write("jamroot.jam", """\
+use-project /child/child2 : child/child2 ;
+rule parent-rule ( )
+{
+  ECHO "Running parent-rule" ;
+}
+""")
+t.write("child/jamfile.jam", "")
+t.write("child/child1/jamfile.jam", "")
+t.write("child/child2/jamfile.jam", "parent-rule ;")
+
+t.run_build_system(subdir="child/child1")
+t.expect_output_lines("Running parent-rule")
+
+t.cleanup()