add topsort tests

Author: bobzhang

jscomp/stubs/ext_basic_hash_stubs.c

@@ -55,7 +55,13 @@ CAMLprim value caml_bs_hash_small_int(value d){
   FINAL_MIX(h);
   return Val_int(h & 0x3FFFFFFFU);
 }
+
+
 /*
+ * http://stackoverflow.com/questions/664014/what-integer-hash-function-are-good-that-accepts-an-integer-hash-key
+ * https://en.wikipedia.org/wiki/MurmurHash
+ * http://zimbry.blogspot.it/2011/09/better-bit-mixing-improving-on.html
+ * http://eternallyconfuzzled.com/tuts/algorithms/jsw_tut_hashing.aspx
  * We gave up the idea to  hash Ident.t (take only one argument)
  * customized hash function for Ident.t, first 
  * argument is stamp, second argument is string 

jscomp/test/.depend

@@ -470,6 +470,7 @@ tfloat_record_test.cmj : mt_global.cmj mt.cmj ../stdlib/format.cmj \
 ticker.cmj : ../stdlib/string.cmj ../stdlib/printf.cmj \
     ../stdlib/pervasives.cmj ../stdlib/map.cmj ../stdlib/list.cmj
 to_string_test.cmj : mt.cmj
+topsort_test.cmj : ../stdlib/string.cmj ../stdlib/set.cmj ../stdlib/list.cmj
 tscanf_test.cmj : testing.cmj ../stdlib/string.cmj ../stdlib/scanf.cmj \
     ../stdlib/printf.cmj ../stdlib/nativeint.cmj mt_global.cmj mt.cmj \
     ../stdlib/list.cmj ../stdlib/int64.cmj ../stdlib/int32.cmj \

jscomp/test/Makefile

@@ -72,7 +72,8 @@ OTHERS := literals a test_ari test_export2 test_internalOO test_obj_simple_ffi t
 	gpr_904_test gpr_858_unit2_test inner_unused \
 	set_gen bal_tree string_set string_set_test \
 	math_test bal_set_mini gpr_974_test test_cpp\
-	global_module_alias_test class_fib_open_recursion_test
+	global_module_alias_test class_fib_open_recursion_test\
+	topsort_test