1 files changed, 157 insertions, 0 deletions
diff --git a/tools/build/v2/test/core_dependencies.py b/tools/build/v2/test/core_dependencies.py
new file mode 100644
index 0000000000..2b2ef368d6
--- /dev/null
+++ b/tools/build/v2/test/core_dependencies.py
@@ -0,0 +1,157 @@
+#!/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) 
+
+# This tests correct handling of dependencies, specifically, on generated
+# sources, and from generated sources.
+
+import BoostBuild
+
+import string
+
+t = BoostBuild.Tester(pass_toolset=0)
+
+t.write("core-dependency-helpers", """
+rule hdrrule
+{
+   INCLUDES $(1) : $(2) ;
+}
+actions copy
+{
+   cp $(>) $(<)
+}
+""")
+
+code = """include core-dependency-helpers ;
+DEPENDS all : a ;
+DEPENDS a : b ;
+
+actions create-b
+{
+   echo '#include <foo.h>' > $(<) 
+}
+copy a : b ;
+create-b b ;
+HDRRULE on b foo.h bar.h = hdrrule ;
+HDRSCAN on b foo.h bar.h = \"#include <(.*)>\" ;
+"""
+
+# This creates 'a' which depends on 'b', which is generated. The generated 'b'
+# contains '#include <foo.h>' and no rules for foo.h are given. The system
+# should error out on the first invocation.
+t.run_build_system("-f-", stdin=code)
+t.fail_test(string.find(t.stdout(), "...skipped a for lack of foo.h...") == -1)
+
+t.rm('b')
+
+# Now test that if target 'c' also depends on 'b', then it will not be built, as
+# well.
+t.run_build_system("-f-", stdin=code + " copy c : b ; DEPENDS c : b ; DEPENDS all : c ; ")
+t.fail_test(string.find(t.stdout(), "...skipped c for lack of foo.h...") == -1)
+
+t.rm('b')
+
+# Now add a rule for creating foo.h.
+code += """
+actions create-foo
+{
+    echo // > $(<)
+}
+create-foo foo.h ;
+"""
+t.run_build_system("-f-", stdin=code)
+
+# Run two times, adding explicit dependency from all to foo.h at the beginning
+# and at the end, to make sure that foo.h is generated before 'a' in all cases.
+
+def mk_correct_order_func(s1, s2):
+    def correct_order(s):
+        n1 = string.find(s, s1)
+        n2 = string.find(s, s2)
+        return ( n1 != -1 ) and ( n2 != -1 ) and ( n1 < n2 )
+    return correct_order
+
+correct_order = mk_correct_order_func("create-foo", "copy a")
+
+t.rm(["a", "b", "foo.h"])
+t.run_build_system("-d+2 -f-", stdin=code + " DEPENDS all : foo.h ;")
+t.fail_test(not correct_order(t.stdout()))
+
+t.rm(["a", "b", "foo.h"])
+t.run_build_system("-d+2 -f-", stdin=" DEPENDS all : foo.h ; " + code)
+t.fail_test(not correct_order(t.stdout()))
+
+# Now foo.h exists. Test include from b -> foo.h -> bar.h -> biz.h. b and foo.h
+# already have updating actions. 
+t.rm(["a", "b"])
+t.write("foo.h", "#include <bar.h>")
+t.write("bar.h", "#include <biz.h>")
+t.run_build_system("-d+2 -f-", stdin=code)
+t.fail_test(string.find(t.stdout(), "...skipped a for lack of biz.h...") == -1)
+
+# Add an action for biz.h.
+code += """
+actions create-biz
+{
+   echo // > $(<)
+}
+create-biz biz.h ;
+"""
+
+t.rm(["b"])
+correct_order = mk_correct_order_func("create-biz", "copy a")
+t.run_build_system("-d+2 -f-", stdin=code + " DEPENDS all : biz.h ;")
+t.fail_test(not correct_order(t.stdout()))
+
+t.rm(["a", "biz.h"])
+t.run_build_system("-d+2 -f-", stdin=" DEPENDS all : biz.h ; " + code)
+t.fail_test(not correct_order(t.stdout()))           
+
+t.write("a", "")
+
+code="""
+DEPENDS all : main d ;
+
+actions copy 
+{
+    cp $(>) $(<) ;
+}
+
+DEPENDS main : a ;
+copy main : a ;
+
+INCLUDES a : <1>c ;
+
+NOCARE <1>c ;
+SEARCH on <1>c = . ;
+
+actions create-c 
+{
+    echo d > $(<)    
+}
+
+actions create-d
+{
+    echo // > $(<)
+}
+
+create-c <2>c ;
+LOCATE on <2>c = . ;
+create-d d ;
+
+HDRSCAN on <1>c = (.*) ;
+HDRRULE on <1>c = hdrrule ;
+
+rule hdrrule 
+{
+    INCLUDES $(1) : d ;
+}
+"""
+
+correct_order = mk_correct_order_func("create-d", "copy main")
+t.run_build_system("-d2 -f-", stdin=code)
+t.fail_test(not correct_order(t.stdout()))
+
+t.cleanup()