fix tests add old node versions support

mozilla · Jul 1, 2016 · 56e085b · 56e085b
1 parent f6e4692
commit 56e085b
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Showing 2 changed files with 46 additions and 2 deletions.
diff --git a/tests/compiler.js b/tests/compiler.js
@@ -20,6 +20,7 @@
     var render = util.render;
     var equal = util.equal;
     var finish = util.finish;
+    var repeatString = util.repeatString;
 
     describe('compiler', function() {
         it('should compile templates', function(done) {
@@ -938,7 +939,7 @@
 
         it('should include 200 templates without call stack size exceed', function(done) {
             equal('{% include "includeMany.njk" %}',
-                'FooInclude \n'.repeat(200));
+                repeatString('FooInclude \n', 200));
             finish(done);
         });
 

diff --git a/tests/util.js b/tests/util.js
@@ -115,18 +115,61 @@
         }
     }
 
+    function repeatString(string, count) {
+        if (String.prototype.repeat) {
+            return String.prototype.repeat.call(string, count);
+        }
+
+        if (string == null) {
+            throw new TypeError('can\'t convert ' + string + ' to object');
+        }
+        var str = '' + string;
+        count = +count;
+        if (count !== count) {
+            count = 0;
+        }
+        if (count < 0) {
+            throw new RangeError('repeat count must be non-negative');
+        }
+        if (count === Infinity) {
+            throw new RangeError('repeat count must be less than infinity');
+        }
+        count = Math.floor(count);
+        if (str.length === 0 || count === 0) {
+            return '';
+        }
+        if (str.length * count >= 1 << 28) {
+            throw new RangeError('repeat count must not overflow maximum string size');
+        }
+        var rpt = '';
+        for (;;) {
+            if ((count & 1) === 1) {
+                rpt += str;
+            }
+            count >>>= 1;
+            if (count === 0) {
+                break;
+            }
+            str += str;
+        }
+        return rpt;
+    }
+
+
     if(typeof module !== 'undefined') {
         module.exports.render = render;
         module.exports.equal = equal;
         module.exports.finish = finish;
         module.exports.normEOL = normEOL;
+        module.exports.repeatString = repeatString;
     }
     else {
         window.util = {
             render: render,
             equal: equal,
             finish: finish,
-            normEOL: normEOL
+            normEOL: normEOL,
+            repeatString: repeatString
         };
     }
 })();