From 0e30ef1ba8a1985184b552edbc285220d7417088 Mon Sep 17 00:00:00 2001
From: Felix Becker <felix.b@outlook.com>
Date: Wed, 25 Jul 2018 12:14:20 -0700
Subject: [PATCH] fix(testscheduler): type arguments to Observable creation
 functions (#3928)

---
 spec/schedulers/TestScheduler-spec.ts |  4 ++--
 src/internal/testing/TestScheduler.ts | 14 ++++++++++++--
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/spec/schedulers/TestScheduler-spec.ts b/spec/schedulers/TestScheduler-spec.ts
index dfb54fa0fc..9d15b7b6e8 100644
--- a/spec/schedulers/TestScheduler-spec.ts
+++ b/spec/schedulers/TestScheduler-spec.ts
@@ -145,7 +145,7 @@ describe('TestScheduler', () => {
     it('should create a cold observable', () => {
       const expected = ['A', 'B'];
       const scheduler = new TestScheduler(null);
-      const source = scheduler.createColdObservable<string>('--a---b--|', { a: 'A', b: 'B' });
+      const source = scheduler.createColdObservable('--a---b--|', { a: 'A', b: 'B' });
       expect(source).to.be.an.instanceOf(Observable);
       source.subscribe(x => {
         expect(x).to.equal(expected.shift());
@@ -159,7 +159,7 @@ describe('TestScheduler', () => {
     it('should create a cold observable', () => {
       const expected = ['A', 'B'];
       const scheduler = new TestScheduler(null);
-      const source = scheduler.createHotObservable<string>('--a---b--|', { a: 'A', b: 'B' });
+      const source = scheduler.createHotObservable('--a---b--|', { a: 'A', b: 'B' });
       expect(source).to.be.an.instanceof(Subject);
       source.subscribe(x => {
         expect(x).to.equal(expected.shift());
diff --git a/src/internal/testing/TestScheduler.ts b/src/internal/testing/TestScheduler.ts
index 1de9d40ba0..4874389511 100644
--- a/src/internal/testing/TestScheduler.ts
+++ b/src/internal/testing/TestScheduler.ts
@@ -45,7 +45,12 @@ export class TestScheduler extends VirtualTimeScheduler {
     return indexOf * TestScheduler.frameTimeFactor;
   }
 
-  createColdObservable<T>(marbles: string, values?: any, error?: any): ColdObservable<T> {
+  /**
+   * @param marbles A diagram in the marble DSL. Letters map to keys in `values` if provided.
+   * @param values Values to use for the letters in `marbles`. If ommitted, the letters themselves are used.
+   * @param error The error to use for the `#` marble (if present).
+   */
+  createColdObservable<T = string>(marbles: string, values?: { [marble: string]: T }, error?: any): ColdObservable<T> {
     if (marbles.indexOf('^') !== -1) {
       throw new Error('cold observable cannot have subscription offset "^"');
     }
@@ -58,7 +63,12 @@ export class TestScheduler extends VirtualTimeScheduler {
     return cold;
   }
 
-  createHotObservable<T>(marbles: string, values?: any, error?: any): HotObservable<T> {
+  /**
+   * @param marbles A diagram in the marble DSL. Letters map to keys in `values` if provided.
+   * @param values Values to use for the letters in `marbles`. If ommitted, the letters themselves are used.
+   * @param error The error to use for the `#` marble (if present).
+   */
+  createHotObservable<T = string>(marbles: string, values?: { [marble: string]: T }, error?: any): HotObservable<T> {
     if (marbles.indexOf('!') !== -1) {
       throw new Error('hot observable cannot have unsubscription marker "!"');
     }