* Added some real tests.

tests/Makefile.am

@@ -1,10 +1,13 @@
-check_PROGRAMS = main
+check_PROGRAMS = main simple
 
-TESTS = plain-run.sh $(XFAIL_TESTS)
+TESTS = plain-run.sh shrink.sh set-interpreter.sh $(XFAIL_TESTS)
 
 XFAIL_TESTS = plain-fail.sh
 
 
+simple_SOURCES = simple.c
+
+
 main: main.o libfoo.so
 	LD_LIBRARY_PATH=. $(CC) -o main main.o -L . -lfoo
 
@@ -12,7 +15,7 @@ main.o: main.c
 	$(CC) -fpic -o main.o -c main.c
 
 libfoo.so: foo.o libbar.so
-	$(CC) -shared -o libfoo.so foo.o -L . -lbar
+	$(CC) -shared -o libfoo.so foo.o -L . -lbar -Wl,-rpath,/no-such-path
 
 foo.o: foo.c
 	$(CC) -fpic -o foo.o -c foo.c

tests/set-interpreter.sh

@@ -0,0 +1,22 @@
+#! /bin/sh -e
+
+./simple
+
+oldInterpreter=$(../src/patchelf --print-interpreter ./simple)
+echo "current interpreter is $oldInterpreter"
+
+rm -rf scratch
+mkdir -p scratch
+
+cp simple scratch/
+../src/patchelf --interpreter $(pwd)/scratch/interpreter scratch/simple
+
+echo "running with missing interpreter..."
+if scratch/simple; then
+    echo "simple works, but it shouldn't"
+    exit 1
+fi
+
+echo "running with new interpreter..."
+ln -s "$oldInterpreter" scratch/interpreter
+scratch/simple

tests/shrink.sh

@@ -0,0 +1,21 @@
+#! /bin/sh -e
+
+echo -n "RPATH before: "
+readelf -a ./libfoo.so | grep RPATH
+if ! readelf -a ./libfoo.so | grep RPATH | grep -q /no-such-path; then
+    echo "incomplete RPATH"
+    exit 1
+fi
+
+rm -rf scratch
+mkdir -p scratch
+cp libfoo.so scratch/
+../src/patchelf --shrink-rpath scratch/libfoo.so
+
+echo -n "RPATH after: "
+readelf -a scratch/libfoo.so | grep RPATH
+if readelf -a scratch/libfoo.so | grep RPATH | grep -q /no-such-path; then
+    echo "incomplete RPATH"
+    exit 1
+fi
+

tests/simple.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+char buf[16 * 1024 * 1024];
+
+int main(int argc, char * * argv)
+{
+    printf("Hello World\n");
+    return 0;
+}