[fix] Mersenne Twister seed_array #712

tanbui · Oct 10, 2018 · c852cdf · c852cdf
1 parent be8cd96
commit c852cdf
Show file tree

Hide file tree

Showing 2 changed files with 16 additions and 3 deletions.
diff --git a/test/random.unit.js b/test/random.unit.js
@@ -78,11 +78,24 @@ describe("random.js", function () {
       assert.equal(opts.max, max);
     });
 
-    it('should return deterministic results when seeded', function() {
+    it('should return deterministic results when seeded with integer', function() {
       faker.seed(100);
       var name = faker.name.findName();
       assert.equal(name, 'Eva Jenkins');
     })
+
+    it('should return deterministic results when seeded with array - one element', function() {
+      faker.seed([10]);
+      var name = faker.name.findName();
+      assert.equal(name, 'Duane Kub');
+    })
+
+    it('should return deterministic results when seeded with array - multiple elements', function() {
+      faker.seed([10, 100, 1000]);
+      var name = faker.name.findName();
+      assert.equal(name, 'Alma Shanahan');
+    })
+
   });
 
   describe("float", function() {

diff --git a/vendor/mersenne.js b/vendor/mersenne.js
@@ -282,5 +282,5 @@ exports.seed_array = function(A) {
         {
         throw new Error("seed_array(A) must take array of numbers; is " + typeof(A));
         }
-    gen.init_by_array(A);
-}
+    gen.init_by_array(A, A.length);
+}