Add vera rules to check consecutive and trailing empty lines (#3540)

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu

tests/unit-core/test-api-binary-operations-arithmetics.c

@@ -40,7 +40,6 @@ typedef struct
   jerry_value_t expected;
 } test_entry_t;
 
-
 typedef struct
 {
   jerry_binary_operation_t op;
@@ -191,7 +190,6 @@ main (void)
     T (JERRY_BIN_OP_SUB, jerry_create_boolean (false), jerry_create_boolean (false), jerry_create_number (0.0)),
     T (JERRY_BIN_OP_SUB, jerry_create_null (), jerry_create_null (), jerry_create_number (-0.0)),
 
-
     /* Testing multiplication (*) */
     T (JERRY_BIN_OP_MUL, jerry_create_number (5.0), jerry_create_number (5.0), jerry_create_number (25.0)),
     T (JERRY_BIN_OP_MUL, jerry_create_number (3.1), jerry_create_number (10), jerry_create_number (31)),

tests/unit-core/test-api.c

@@ -119,7 +119,6 @@ handler_construct_2_freecb (void *native_p)
   test_api_is_free_callback_was_called = true;
 } /* handler_construct_2_freecb */
 
-
 /**
  * The name of the jerry_object_native_info_t struct.
  */
@@ -271,8 +270,6 @@ foreach (const jerry_value_t name, /**< field name */
 
   TEST_ASSERT (false);
   return false;
-
-
 } /* foreach */
 
 static bool

tests/unit-core/test-context-data.c

@@ -113,7 +113,6 @@ test_context_data4_new (void *user_data_p)
   TEST_ASSERT (user_data_p == NULL);
 } /* test_context_data4_new */
 
-
 static void
 test_context_data4_free (void *user_data_p)
 {
@@ -138,7 +137,6 @@ static const jerry_context_data_manager_t manager4 =
   .bytes_needed = 0
 };
 
-
 int
 main (void)
 {

tests/unit-core/test-mem-stats.c

@@ -16,7 +16,6 @@
 #include "jerryscript.h"
 #include "test-common.h"
 
-
 int main (void)
 {
   if (!jerry_is_feature_enabled (JERRY_FEATURE_MEM_STATS))

tests/unit-core/test-native-callback-nested.c

@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 
-
 #include "jerryscript.h"
 #include "jerryscript-port.h"
 #include "jerryscript-port-default.h"

tests/unit-core/test-promise.c

@@ -18,7 +18,6 @@
 #include "jerryscript-port-default.h"
 #include "test-common.h"
 
-
 static const jerry_char_t test_source[] = TEST_STRING_LITERAL (
   "var p1 = create_promise1();"
   "var p2 = create_promise2();"

tests/unit-core/test-resource-name.c

@@ -100,7 +100,6 @@ main (void)
                           "f2(); \n");
   const char *resource_2 = "demo2.js";
 
-
   program = jerry_parse ((const jerry_char_t *) resource_2,
                          strlen (resource_2),
                          (const jerry_char_t *) source_2,

tests/unit-core/test-stringbuilder.c

@@ -155,7 +155,6 @@ main (void)
     }
     ecma_string_t *result_p = ecma_stringbuilder_finalize (&builder);
 
-
     ecma_string_t *expected_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
     for (size_t i = 0; i < count; i++)
     {

tests/unit-core/test-to-integer.c

@@ -130,5 +130,3 @@ main (void)
 
   return 0;
 } /* main */
-
-

tests/unit-ext/test-ext-arg.c

@@ -401,7 +401,6 @@ test_validator_prop2_handler (const jerry_value_t func_obj_val, /**< function ob
 
   jerry_value_t is_ok = jerryx_arg_transform_args (args_p, args_cnt, mapping, ARRAY_SIZE (mapping));
 
-
   TEST_ASSERT (!jerry_value_is_error (is_ok));
 
   if (validator_prop_count == 1)
@@ -622,7 +621,6 @@ test_validator_array1_handler (const jerry_value_t func_obj_val, /**< function o
 
   jerry_value_t is_ok = jerryx_arg_transform_args (args_p, args_cnt, mapping, ARRAY_SIZE (mapping));
 
-
   TEST_ASSERT (!jerry_value_is_error (is_ok));
 
   if (validator_array_count == 0)

tests/unit-ext/test-ext-method-register.c

@@ -185,7 +185,6 @@ test_error_setvalue (void)
   jerry_cleanup ();
 } /* test_error_setvalue */
 
-
 /**
  * Test registration error with jerryx_set_properties.
  *