Add testcase that cleanup error throw from javascript properly. (#4581)

JerryScript-DCO-1.0-Signed-off-by: Yonggang Luo luoyonggang@gmail.com

tests/unit-ext/module/jerry-module-test.c

@@ -21,7 +21,7 @@
 #include "test-common.h"
 
 /* Load a module. */
-const char eval_string1[] = "require ('my_custom_module');";
+const char eval_string1[] = "require ('my_custom_module').number_value;";
 
 /* Load a module using a different resolver. */
 const char eval_string2[] = "require ('differently-handled-module');";
@@ -74,6 +74,15 @@ const char eval_string7[] = "(function() {"
                             "  return x !== y ? 1 : 0;"
                             "}) ();";
 
+/* Make sure the entire cache is cleared. */
+const char eval_string8[] =
+  "(function() {"
+  "  var custom_module = require ('my_custom_module');"
+  "  custom_module.call_function_with_callback(function(){"
+  "    throw '12312391238219423914832091480921834028130948213904812093849023814902183490218394082190348'"
+  "  });"
+  "}) ();";
+
 /*
  * Define a resolver for a module named "differently-handled-module" to check that custom resolvers work.
  */
@@ -155,6 +164,12 @@ assert_number (jerry_value_t js_value, double expected_result)
   TEST_ASSERT (jerry_value_as_number (js_value) == expected_result);
 } /* assert_number */
 
+static jerry_value_t
+eval_string (const char *the_string)
+{
+  return jerry_eval ((const jerry_char_t *) the_string, strlen (the_string), JERRY_PARSE_STRICT_MODE);
+} /* eval_string */
+
 static void
 eval_one (const char *the_string, double expected_result)
 {
@@ -214,5 +229,9 @@ main (int argc, char **argv)
   eval_one (eval_string6, 1);
   eval_one (eval_string7, 1);
 
+  jerry_value_t val_err = eval_string (eval_string8);
+  TEST_ASSERT (jerry_value_is_exception (val_err));
+  jerry_value_free (val_err);
+
   jerry_cleanup ();
 } /* main */