Change doublequotes to single quotes.

Author: ctavan

test/disableErrors.js

@@ -6,16 +6,16 @@ var tests = {};
 
 tests['getenv.disableErrors() should disable any errors'] = function() {
   getenv.disableErrors();
-  assert.strictEqual(getenv.string("url", "http://localhost"), 'http://localhost');
-  assert(getenv.string("url"), undefined);
+  assert.strictEqual(getenv.string('url', 'http://localhost'), 'http://localhost');
+  assert(getenv.string('url'), undefined);
 };
 
 tests['getenv.enableErrors() should enable errors'] = function () {
   getenv.enableErrors();
   assert.throws(function() {
-    getenv.string("url");
+    getenv.string('url');
   });
-  assert.strictEqual(getenv.string("url", "http://localhost"), 'http://localhost');
+  assert.strictEqual(getenv.string('url', 'http://localhost'), 'http://localhost');
 }
 
 Object.keys(tests).forEach(function(key) {

test/fallbacks.js

@@ -8,7 +8,7 @@ var tests = {};
 tests['getenv.disableFallbacks() makes relying on fallbacks an error'] = function() {
   getenv.disableFallbacks();
   assert.throws(function() {
-    getenv.string("url", "http://localhost");
+    getenv.string('url', 'http://localhost');
   });
   getenv.enableFallbacks();
 };

test/getenv.js

@@ -35,9 +35,9 @@ process.env.TEST_GETENV_BOOL_ARRAY_INVALID1 = 'true, 1, true';
 process.env.TEST_GETENV_BOOL_ARRAY_INVALID2 = 'true, 1.2, true';
 process.env.TEST_GETENV_BOOL_ARRAY_INVALID3 = 'true, abc, true';
 
-process.env.TEST_GETENV_URL_1 = "tcp://localhost:80";
-process.env.TEST_GETENV_URL_2 = "tcp://localhost:2993";
-process.env.TEST_GETENV_URL_3 = "http://192.162.22.11:2993";
+process.env.TEST_GETENV_URL_1 = 'tcp://localhost:80';
+process.env.TEST_GETENV_URL_2 = 'tcp://localhost:2993';
+process.env.TEST_GETENV_URL_3 = 'http://192.162.22.11:2993';
 
 var tests = {};
 
@@ -522,12 +522,12 @@ tests['getenv.multi([string/single/throw]) multiple env vars'] = function() {
 tests['getenv.url() valid input'] = function() {
 
   var expected = [
-    {hostname: "localhost", port: "80", protocol: "tcp:"},
-    {hostname: "localhost", port: "2993", protocol: "tcp:"},
-    {hostname: "192.162.22.11", port: "2993", protocol: "http:"},
+    {hostname: 'localhost', port: '80', protocol: 'tcp:'},
+    {hostname: 'localhost', port: '2993', protocol: 'tcp:'},
+    {hostname: '192.162.22.11', port: '2993', protocol: 'http:'},
   ];
 
-  var prefix = "TEST_GETENV_URL_";
+  var prefix = 'TEST_GETENV_URL_';
 
   expected.forEach(function(expectation, i) {
     var parsed = getenv.url(prefix + (i + 1));