Fix a test and add some more

test/commands/zadd.spec.js

@@ -0,0 +1,44 @@
+'use strict';
+
+var config = require("../lib/config");
+var helper = require("../helper");
+var assert = require('assert');
+var redis = config.redis;
+
+describe("The 'zadd' method", function () {
+
+    helper.allTests(function(parser, ip, args) {
+
+        describe.only("using " + parser + " and " + ip, function () {
+            var client;
+
+            beforeEach(function (done) {
+                client = redis.createClient.apply(redis.createClient, args);
+                client.once("connect", function () {
+                    client.flushdb(done);
+                });
+            });
+
+            it('reports an error', function (done) {
+                client.zadd('infinity', [+'5t', "should not be possible"], helper.isError(done));
+            });
+
+            it('return inf / -inf', function (done) {
+                client.zadd('infinity', [+Infinity, "should be inf"], helper.isNumber(1));
+                client.zadd('infinity', [-Infinity, "should be negative inf"], helper.isNumber(1));
+                client.zadd('infinity', [99999999999999999999999, "should not be inf"], helper.isNumber(1));
+                client.zrange('infinity', 0, -1, 'WITHSCORES', function (err, res) {
+                    assert.equal(res[5], 'inf');
+                    assert.equal(res[1], '-inf');
+                    assert.equal(res[3], '9.9999999999999992e+22');
+                    done();
+                });
+            });
+
+            afterEach(function () {
+                client.end();
+            });
+        });
+    });
+
+});