0.8.16.26:

[sbcl.git] / tests / foreign.test.sh

diff --git a/tests/foreign.test.sh b/tests/foreign.test.sh
index 69702f6..593412a 100644 (file)
--- a/tests/foreign.test.sh
+++ b/tests/foreign.test.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 
-# tests related to foreign function interface and LOAD-FOREIGN
+# tests related to foreign function interface and loading of shared
+# libraries
 
 # This software is part of the SBCL system. See the README file for
 # more information.
@@ -13,28 +14,83 @@
 # absolutely no warranty. See the COPYING and CREDITS files for
 # more information.
 
-testfilestem=$TMPDIR/sbcl-foreign-test-$$
+echo //entering foreign.test.sh
 
+# simple way to make sure we're not punting by accident:
+# setting PUNT to anything other than 104 will make non-dlopen
+# and non-linkage-table platforms fail this
+PUNT=104
+
+testfilestem=${TMPDIR:-/tmp}/sbcl-foreign-test-$$
+
+# Make a little shared object file to test with.
 echo 'int summish(int x, int y) { return 1 + x + y; }' > $testfilestem.c
-make $testfilestem.o
+echo 'int numberish = 42;' >> $testfilestem.c
+echo 'int nummish(int x) { return numberish + x; }' >> $testfilestem.c
+cc -c $testfilestem.c -o $testfilestem.o
 ld -shared -o $testfilestem.so $testfilestem.o
 
-sbcl --noinform --noprint --sysinit /dev/null --userinit /dev/null <<EOF
-  (load-foreign '("$testfilestem.so"))
-  (def-alien-routine summish int (x int) (y int))
+# Foreign definitions & load
+cat > $testfilestem.deflisp <<EOF
+  (define-alien-variable environ (* c-string))
+  (defvar *environ* environ)
+  (handler-case 
+      (load-shared-object "$testfilestem.so")
+    (sb-int:unsupported-operator ()
+     ;; At least as of sbcl-0.7.0.5, LOAD-SHARED-OBJECT isn't
+     ;; supported on every OS. In that case, there's nothing to test,
+     ;; and we can just fall through to success.
+     (sb-ext:quit :unix-status 22))) ; catch that
+  (define-alien-routine summish int (x int) (y int))
+  (define-alien-variable numberish int)
+  (define-alien-routine nummish int (x int))
+
+  ;; Test that loading an object file didn't screw up our records
+  ;; of variables visible in runtime. (This was a bug until 
+  ;; Nikodemus Siivola's patch in sbcl-0.8.5.50.)
+  ;;
+  ;; This cannot be tested in a saved core, as there is no guarantee
+  ;; that the location will be the same.
+  (assert (= (sb-sys:sap-int (alien-sap *environ*))
+             (sb-sys:sap-int (alien-sap environ))))
+EOF
+
+# Test code
+cat > $testfilestem.testlisp <<EOF
   (assert (= (summish 10 20) 31))
+  (assert (= 42 numberish))
+  (setf numberish 13)
+  (assert (= 13 numberish))
+  (assert (= 14 (nummish 1)))
   (sb-ext:quit :unix-status 52) ; success convention for Lisp program
 EOF
+
+${SBCL:-sbcl} --load $testfilestem.deflisp --load $testfilestem.testlisp
+if [ $? = 22 ]; then
+    rm $testfilestem.*
+    exit $PUNT # success -- load-shared-object not supported
+elif [ $? != 52]; then
+    rm $testfilestem.*
+    echo test failed: $?
+    exit 1 
+fi
+
+${SBCL:-sbcl} --load $testfilestem.deflisp --eval "(when (member :linkage-table *features*) (save-lisp-and-die \"$testfilestem.core\"))" <<EOF
+  (sb-ext:quit :unix-status 22) ; catch this
+EOF
+if [ $? = 22 ]; then
+    rm $testfilestem.*
+    exit $PUNT # success -- linkage-table not available
+fi
+
+$SBCL_ALLOWING_CORE --core $testfilestem.core --sysinit /dev/null --userinit /dev/null --load $testfilestem.testlisp
 if [ $? != 52 ]; then
+    rm $testfilestem.*
     echo test failed: $?
-    exit 1
+    exit 1 # Failure
 fi
 
-# FIXME: I rewrote the handling of ENV/ENVIRONMENT arguments for
-# LOAD-FOREIGN, but I can't think of a nice way to test it. (Kent Beck
-# would cry. If he didn't keel over on the spot and then commence
-# rolling over in his grave.:-) It would be good to make a test case
-# for it..
+rm $testfilestem.*
 
 # success convention for script
-exit 104
+exit 104