From 966e206c88a72c36de9561262c2f64053a2c2300 Mon Sep 17 00:00:00 2001
From: Benjamin Gruenbaum <benji@peer5.com>
Date: Thu, 13 Jul 2017 18:31:47 +0300
Subject: [PATCH 1/2] error on incorrect install use

---
 src/lolex-src.js   |  4 ++++
 test/lolex-test.js | 16 ++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/src/lolex-src.js b/src/lolex-src.js
index 5cfb465c..89b1e9e6 100644
--- a/src/lolex-src.js
+++ b/src/lolex-src.js
@@ -637,6 +637,10 @@ exports.createClock = createClock;
  * @param config.loopLimit {number} the maximum number of timers that will be run when calling runAll()
  */
 exports.install = function install(config) {
+    if (typeof config !== "object" && typeof config !== "undefined") {
+        throw new TypeError("lolex.install called with " + String(config) +
+            " lolex 2.0+ requires an object parameter - see https://github.com/sinonjs/lolex");
+    }
     config = typeof config !== "undefined" ? config : {};
 
     var i, l;
diff --git a/test/lolex-test.js b/test/lolex-test.js
index ff2d85df..a7573c4e 100644
--- a/test/lolex-test.js
+++ b/test/lolex-test.js
@@ -1560,6 +1560,20 @@ describe("lolex", function () {
             assert.same(Date.clock, this.clock);
         });
 
+        it("takes an object parameter", function () {
+            this.clock = lolex.install({});
+        });
+
+        it("throws a TypeError on a number parameter", function () {
+            try {
+                this.clock = lolex.install(0);
+            } catch (e) {
+                assert(e instanceof TypeError);
+                return;
+            }
+            throw new Error("Installing with a number parameter doesn't throw");
+        });
+
         it("sets initial timestamp", function () {
             this.clock = lolex.install({ now: 1400 });
 
@@ -1835,6 +1849,7 @@ describe("lolex", function () {
                 }, 2500);
                 clock.tick(5000);
             });
+
         });
     }
     if (hrtimePresent) {
@@ -1876,6 +1891,7 @@ describe("lolex", function () {
                 assert.same(result[0], 0);
                 assert.same(result[1], 0);
             });
+
         });
     }
 });

From 955a44693a4c4e750ea15eace054ca5822b739c5 Mon Sep 17 00:00:00 2001
From: Benjamin Gruenbaum <benji@peer5.com>
Date: Sun, 16 Jul 2017 10:11:37 +0300
Subject: [PATCH 2/2] Alter type check to requested format

---
 src/lolex-src.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lolex-src.js b/src/lolex-src.js
index f0a48819..bc7395b2 100644
--- a/src/lolex-src.js
+++ b/src/lolex-src.js
@@ -647,7 +647,7 @@ exports.createClock = createClock;
  * @param config.advanceTimeDelta {Number} increment mocked time every <<advanceTimeDelta>> ms (default: 20ms)
  */
 exports.install = function install(config) {
-    if (typeof config !== "object" && typeof config !== "undefined") {
+    if ( arguments.length > 1 || config instanceof Date || Array.isArray(config) || typeof config === "number") {
         throw new TypeError("lolex.install called with " + String(config) +
             " lolex 2.0+ requires an object parameter - see https://github.com/sinonjs/lolex");
     }