From 4cee3b7079a76b2f28657f5ac2a571add026aa24 Mon Sep 17 00:00:00 2001
From: Wagner Maciel <wagnermaciel@google.com>
Date: Thu, 10 Jun 2021 05:41:07 -0700
Subject: [PATCH] fix(material-experimental/mdc-slider): delete isRequired
 function (#22876)

* fix(material-experimental/mdc-slider): delete isRequired function

* delete the isRequired function from the MatSliderThumbHarness since
  the 'required' attribute is ignored on range inputs

* fixup! fix(material-experimental/mdc-slider): delete isRequired function
---
 .../mdc-slider/testing/slider-harness.spec.ts               | 6 ------
 .../mdc-slider/testing/slider-thumb-harness.ts              | 5 -----
 2 files changed, 11 deletions(-)

diff --git a/src/material-experimental/mdc-slider/testing/slider-harness.spec.ts b/src/material-experimental/mdc-slider/testing/slider-harness.spec.ts
index 0ce5d5e99178..c2219c0e2ca1 100644
--- a/src/material-experimental/mdc-slider/testing/slider-harness.spec.ts
+++ b/src/material-experimental/mdc-slider/testing/slider-harness.spec.ts
@@ -145,11 +145,6 @@ describe('MDC-based MatSliderHarness', () => {
     expect(await (await slider.getStartThumb()).getId()).toBe('price-input');
   });
 
-  it('should get whether a slider thumb is required', async () => {
-    const slider = await loader.getHarness(MatSliderHarness);
-    expect(await (await slider.getStartThumb()).isRequired()).toBe(true);
-  });
-
   it('should be able to focus and blur a slider thumb', async () => {
     const slider = await loader.getHarness(MatSliderHarness);
     const thumb = await slider.getStartThumb();
@@ -169,7 +164,6 @@ describe('MDC-based MatSliderHarness', () => {
       <input
         name="price"
         id="price-input"
-        required
         matSliderThumb
         (input)="inputListener()"
         (change)="changeListener()">
diff --git a/src/material-experimental/mdc-slider/testing/slider-thumb-harness.ts b/src/material-experimental/mdc-slider/testing/slider-thumb-harness.ts
index cc99a58330f5..ca36e6b02ab3 100644
--- a/src/material-experimental/mdc-slider/testing/slider-thumb-harness.ts
+++ b/src/material-experimental/mdc-slider/testing/slider-thumb-harness.ts
@@ -82,11 +82,6 @@ export class MatSliderThumbHarness extends ComponentHarness {
     return (await this.host()).getProperty('disabled');
   }
 
-  /** Whether the thumb is required. */
-  async isRequired(): Promise<boolean> {
-    return (await this.host()).getProperty('required');
-  }
-
   /** Gets the name of the thumb. */
   async getName(): Promise<string> {
     return (await (await this.host()).getProperty('name'));