createTaskWithTimeout: Don't log expiration if task threw (#1412)

FREEBIE

js/libtextsecure.js

@@ -40272,7 +40272,13 @@ libsignal.ProvisioningCipher = function() {
                     return reject(error);
                 };
 
-                var promise = task();
+                var promise;
+                try {
+                    promise = task();
+                } catch(error) {
+                    clearTimer();
+                    throw error;
+                }
                 if (!promise || !promise.then) {
                     clearTimer();
                     complete = true;

libtextsecure/task_with_timeout.js

@@ -51,7 +51,13 @@
                     return reject(error);
                 };
 
-                var promise = task();
+                var promise;
+                try {
+                    promise = task();
+                } catch(error) {
+                    clearTimer();
+                    throw error;
+                }
                 if (!promise || !promise.then) {
                     clearTimer();
                     complete = true;

libtextsecure/test/task_with_timeout_test.js

@@ -22,13 +22,13 @@ describe('createTaskWithTimeout', function() {
             assert.strictEqual(error, flowedError);
         });
     });
-    it('rejects if promise takes too long', function() {
+    it('rejects if promise takes too long (this one logs error to console)', function() {
         var error = new Error('original');
         var complete = false;
         var task = function() {
             return new Promise(function(resolve) {
                 setTimeout(function() {
-                    completed = true;
+                    complete = true;
                     resolve();
                 }, 3000);
             });
@@ -57,4 +57,18 @@ describe('createTaskWithTimeout', function() {
             assert.strictEqual(result, 'hi!')
         });
     });
+    it('rejects if task throws (and does not log about taking too long)', function() {
+        var error = new Error('Task is throwing!');
+        var task = function() {
+            throw error;
+        };
+        var taskWithTimeout = textsecure.createTaskWithTimeout(task, this.name, {
+            timeout: 10
+        });
+        return taskWithTimeout().then(function(result) {
+            throw new Error('Overall task should reject!')
+        }, function(flowedError) {
+            assert.strictEqual(flowedError, error);
+        });
+    });
 });