Fix runtime error Date object (#4914)

This patch fixes #4704

JerryScript-DCO-1.0-Signed-off-by: Daniel Batiz daniel.batiz@h-lab.eu

jerry-core/ecma/builtin-objects/ecma-builtin-helpers-date.c

@@ -74,6 +74,9 @@ ecma_date_day_from_time (ecma_number_t time) /**< time value */
 static int32_t
 ecma_date_day_from_year (int32_t year) /**< year value */
 {
+  JERRY_ASSERT (fabs (365.0 * (year - 1970) + ((year - 1969) / 4.0) - ((year - 1901) / 100.0) + ((year - 1601) / 400.0))
+                < INT32_MAX);
+
   if (JERRY_LIKELY (year >= 1970))
   {
     return (int32_t) (365 * (year - 1970) + ((year - 1969) / 4) - ((year - 1901) / 100) + ((year - 1601) / 400));
@@ -420,19 +423,23 @@ ecma_date_make_day (ecma_number_t year, /**< year value */
                     ecma_number_t date) /**< date value */
 {
   /* 1. */
-  if (!ecma_number_is_finite (year) || !ecma_number_is_finite (month) || !ecma_number_is_finite (date)
-      || fabs (year) > INT32_MAX)
+  if (!ecma_number_is_finite (year) || !ecma_number_is_finite (month) || !ecma_number_is_finite (date))
   {
     return ecma_number_make_nan ();
   }
 
   /* 2., 3., 4. */
-  int32_t y = (int32_t) (year);
   ecma_number_t m = ecma_number_trunc (month);
   ecma_number_t dt = ecma_number_trunc (date);
 
   /* 5. */
-  int32_t ym = y + (int32_t) (floor (m / 12));
+  year += (floor (m / 12));
+  if (fabs (year) > ECMA_DATE_YEAR_LIMIT)
+  {
+    return ecma_number_make_nan ();
+  }
+
+  int32_t int_year = (int32_t) year;
 
   /* 6. */
   int32_t mn = (int32_t) fmod (m, 12);
@@ -443,7 +450,8 @@ ecma_date_make_day (ecma_number_t year, /**< year value */
   }
 
   /* 7. */
-  ecma_number_t days = (ecma_date_day_from_year (ym) + first_day_in_month[ecma_date_in_leap_year (ym)][mn] + (dt - 1));
+  ecma_number_t days =
+    (ecma_date_day_from_year (int_year) + first_day_in_month[ecma_date_in_leap_year (int_year)][mn] + (dt - 1));
   return days * ECMA_DATE_MS_PER_DAY;
 } /* ecma_date_make_day */
 

jerry-core/ecma/builtin-objects/ecma-builtin-helpers.h

@@ -157,6 +157,8 @@ bool ecma_builtin_is_regexp_exec (ecma_extended_object_t *obj_p);
 
 #define ECMA_DATE_DAYS_IN_LEAP_YEAR (366)
 
+#define ECMA_DATE_YEAR_LIMIT (275800)
+
 /**
  * This gives a range of 8,640,000,000,000,000 milliseconds
  * to either side of 01 January, 1970 UTC.

tests/jerry/date-getters.js

@@ -104,3 +104,17 @@ assert (new Date(-1, -1, -1, -1, -1).getHours() === 22);
 assert (new Date(-1, -1, -1, -1, -1, -1).getMinutes() === 58);
 assert (new Date(-1, -1, -1, -1, -1, -1, -1).getSeconds() === 58);
 assert (new Date(-1, -1, -1, -1, -1, -1, -1, -1).getMilliseconds() === 999);
+
+/* 6. test case */
+assert (isNaN(new Date(20000000, 0).getFullYear()));
+assert (new Date(0, 0).getFullYear() === 1900);
+assert (new Date(1.2, 0).getFullYear() === 1901);
+assert((new Date(8640000000000000).getFullYear()) == 275760);
+assert(isNaN(new Date(8640000000000001).getFullYear()));
+assert((new Date(-271821, 3, 21).getFullYear()) == -271821);
+assert(isNaN(new Date(1970, 0, -100000000).getFullYear())); 
+assert(new Date(1970, 0, -100000000 + 1).getFullYear() == -271821);
+assert(isNaN(new Date(1970, 0, 100000000 + 2).getFullYear())); 
+assert(new Date(1970, 0, 100000000).getFullYear() == 275760);
+assert(isNaN(new Date(4294967295, -51536298411).getFullYear()));
+assert((new Date(4294967295, -51536300000).getFullYear()) == 275628);

tests/jerry/date-parse.js

@@ -181,3 +181,12 @@ assert (isNaN(Date.parse("Sat, 13 Sep 275760 00:00:01 GMT"))) // 864000000000100
 // Non standard date formats
 assert (Date.parse("2000/01/01 12:12Z") == 946728720000)
 assert (Date.parse("1991-07-13 16:04Z") == 679421040000)
+
+assert(Date.parse('Tue, 13 Sep 275760 00:00:00 GMT') == 8640000000000000);
+assert(isNaN(Date.parse('Tue, 14 Sep 275760 00:00:00 GMT')));
+assert(Date.parse("Tue, 20 Apr -271821 00:00:00 GMT") == -8640000000000000);
+assert(isNaN(Date.parse("Tue, 19 Apr -271821 00:00:00 GMT")));
+assert(Date.parse('9999') == 253370764800000);
+assert(isNaN(Date.parse('10000')));
+assert(Date.parse('-100000') == -3217862419200000);
+assert(isNaN(Date.parse('-99999')));

tests/jerry/date-setters.js

@@ -241,3 +241,22 @@ assert (isNaN (d.setMonth()));
 assert (isNaN (d.setUTCMonth()));
 assert (isNaN (d.setFullYear()));
 assert (isNaN (d.setUTCFullYear()));
+
+var date = new Date('1975-08-19');
+var date2 = new Date('1975-08-19');
+var date3 = new Date('1975-08-19');
+var date4 = new Date('1975-08-19');
+var date5 = new Date('1975-08-19');
+var date6 = new Date('1975-08-19');
+date.setFullYear(275760, 8, 13);
+date2.setFullYear(275760, 8, 14);
+date3.setFullYear(-271820, 6570968, 13);
+date4.setFullYear(-271820, 6570968, 14);
+date5.setFullYear(-271821);
+date6.setFullYear(-271822);
+assert(date.getFullYear() == 275760);
+assert(isNaN(date2.getFullYear()));
+assert(date3.getFullYear() == 275760);
+assert(isNaN(date4.getFullYear()));
+assert(date5.getFullYear() == -271821);
+assert(isNaN(date6.getFullYear()));