1 files changed, 50 insertions, 0 deletions
diff --git a/tests/runner.py b/tests/runner.py
index b2b1ff43..87eab8c6 100755
--- a/tests/runner.py
+++ b/tests/runner.py
@@ -3404,6 +3404,35 @@ Exiting setjmp function, level: 0, prev_jmp: -1
       '''
       self.do_run(src, 'z:1*', force_c=True)
 
+    def test_rename(self):
+      src = '''
+        #include <stdio.h>
+        #include <sys/stat.h>
+        #include <sys/types.h>
+        #include <assert.h>
+
+        int main() {
+          int err;
+          FILE* fid;
+
+          err = mkdir("/foo", 0777);
+          err = mkdir("/bar", 0777);
+          fid = fopen("/foo/bar", "w+");
+          fclose(fid);
+
+          err = rename("/foo/bar", "/foo/bar2");
+          printf("%d\\n", err);
+
+          err = rename("/foo", "/foo/foo");
+          printf("%d\\n", err);
+
+          err = rename("/foo", "/bar/foo");
+          printf("%d\\n", err);
+          return 0;
+        }
+      '''
+      self.do_run(src, '0\n-1\n0\n', force_c=True)
+
     def test_alloca_stack(self):
       if self.emcc_args is None: return # too slow in other modes
 
@@ -7727,6 +7756,23 @@ void*:16
 
       self.do_run(path_from_root('tests', 'cubescript'), '*\nTemp is 33\n9\n5\nhello, everyone\n*', main_file='command.cpp')
 
+      assert 'asm2g' in test_modes
+      if self.run_name == 'asm2g':
+        results = {}
+        original = open('src.cpp.o.js').read()
+        results[Settings.ALIASING_FUNCTION_POINTERS] = len(original)
+        Settings.ALIASING_FUNCTION_POINTERS = 1 - Settings.ALIASING_FUNCTION_POINTERS
+        self.do_run(path_from_root('tests', 'cubescript'), '*\nTemp is 33\n9\n5\nhello, everyone\n*', main_file='command.cpp')
+        final = open('src.cpp.o.js').read()
+        results[Settings.ALIASING_FUNCTION_POINTERS] = len(final)
+        open('original.js', 'w').write(original)
+        print results
+        assert results[1] < 0.99*results[0]
+        assert ' & 3]()' in original, 'small function table exists'
+        assert ' & 3]()' not in final, 'small function table does not exist'
+        assert ' & 255]()' not in original, 'big function table does not exist'
+        assert ' & 255]()' in final, 'big function table exists'
+
     def test_gcc_unmangler(self):
       Settings.NAMED_GLOBALS = 1 # test coverage for this
 
@@ -8513,6 +8559,10 @@ def process(filename):
         self.do_run(src, '''Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS.''')
         generated = open('src.cpp.o.js').read()
         assert 'jsCall' not in generated
+        Settings.RESERVED_FUNCTION_POINTERS = 1
+
+        Settings.ALIASING_FUNCTION_POINTERS = 1 - Settings.ALIASING_FUNCTION_POINTERS # flip the test
+        self.do_run(src, '''Hello 7 from JS!''')
 
     def test_scriptaclass(self):
         if self.emcc_args is None: return self.skip('requires emcc')