diff --git a/packages/angular-material/src/library/layouts/array-layout.renderer.ts b/packages/angular-material/src/library/layouts/array-layout.renderer.ts
index 569b92075b..846af7277d 100644
--- a/packages/angular-material/src/library/layouts/array-layout.renderer.ts
+++ b/packages/angular-material/src/library/layouts/array-layout.renderer.ts
@@ -60,7 +60,7 @@ import {
         <mat-icon
           *ngIf="this.error?.length"
           color="warn"
-          matBadge="{{ this.error.split('').length }}"
+          matBadge="{{ this.error.split('\\n').length }}"
           matBadgeColor="warn"
           matTooltip="{{ this.error }}"
           matTooltipClass="error-message-tooltip"
diff --git a/packages/angular-material/test/array-layout.spec.ts b/packages/angular-material/test/array-layout.spec.ts
new file mode 100644
index 0000000000..47a94dd516
--- /dev/null
+++ b/packages/angular-material/test/array-layout.spec.ts
@@ -0,0 +1,178 @@
+/*
+  The MIT License
+
+  Copyright (c) 2017-2019 EclipseSource Munich
+  https://github.com/eclipsesource/jsonforms
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+*/
+import { ComponentFixture, waitForAsync } from '@angular/core/testing';
+import { MatIcon } from '@angular/material/icon';
+import { MatBadge } from '@angular/material/badge';
+import { MatTooltip } from '@angular/material/tooltip';
+import {
+  MatCard,
+  MatCardContent,
+  MatCardActions,
+} from '@angular/material/card';
+import { beforeEachLayoutTest, setupMockStore } from './common';
+import {
+  ArrayLayoutRenderer,
+  ArrayLayoutRendererTester,
+} from '../src/library/layouts/array-layout.renderer';
+import { LayoutChildrenRenderPropsPipe } from '../src/library/layouts/layout.renderer';
+
+const TEST_SCHEMA = {
+  type: 'object',
+  properties: {
+    test: {
+      type: 'array',
+      minItems: 1,
+      items: {
+        type: 'object',
+        properties: {
+          test1: {
+            type: 'string',
+            title: 'Test 1',
+          },
+          test2: {
+            type: 'string',
+            title: 'Test 2',
+          },
+        },
+        required: ['test1', 'test2'],
+      },
+    },
+  },
+  required: ['test'],
+};
+
+const TEST_UISCHEMA = {
+  type: 'Control',
+  scope: '#/properties/test',
+  options: {
+    detail: {
+      type: 'HorizontalLayout',
+      elements: [
+        {
+          type: 'Control',
+          scope: '#/properties/test1',
+        },
+        {
+          type: 'Control',
+          scope: '#/properties/test2',
+        },
+      ],
+    },
+  },
+};
+
+describe('Array layout tester', () => {
+  it('should succeed', () => {
+    expect(
+      ArrayLayoutRendererTester(TEST_UISCHEMA, TEST_SCHEMA, {
+        config: {},
+        rootSchema: {},
+      })
+    ).toBe(4);
+  });
+});
+describe('Array layout', () => {
+  let fixture: ComponentFixture<any>;
+
+  beforeEach(waitForAsync(() => {
+    fixture = beforeEachLayoutTest(ArrayLayoutRenderer, {
+      declarations: [LayoutChildrenRenderPropsPipe],
+      imports: [
+        MatIcon,
+        MatBadge,
+        MatTooltip,
+        MatCard,
+        MatCardContent,
+        MatCardActions,
+      ],
+    });
+  }));
+
+  it('render with no data the error count should be 1', () => {
+    setupMockStore(fixture, {
+      data: {},
+      schema: TEST_SCHEMA,
+      uischema: TEST_UISCHEMA,
+    });
+    fixture.componentInstance.ngOnInit();
+    fixture.detectChanges();
+    expect(fixture.nativeElement.children[0].children.length).toBe(2);
+
+    fixture.whenRenderingDone().then(() => {
+      fixture.detectChanges();
+
+      const arrayLayoutElement: HTMLElement = fixture.nativeElement;
+      const matBadgeElement =
+        arrayLayoutElement.querySelector('.mat-badge-content')!;
+
+      const noDataElement = arrayLayoutElement.children[0].children[1];
+
+      expect(matBadgeElement.textContent).toBe('1');
+      expect(noDataElement.textContent).toBe('No data');
+    });
+  });
+
+  it('render with data that contains empty required fields should show proper error count', () => {
+    setupMockStore(fixture, {
+      data: { test: [{}] },
+      schema: TEST_SCHEMA,
+      uischema: TEST_UISCHEMA,
+    });
+    fixture.componentInstance.ngOnInit();
+    fixture.detectChanges();
+    expect(fixture.nativeElement.children[0].children.length).toBe(2);
+
+    fixture.whenRenderingDone().then(() => {
+      fixture.detectChanges();
+
+      const arrayLayoutElement: HTMLElement = fixture.nativeElement;
+      const matBadgeElement =
+        arrayLayoutElement.querySelector('.mat-badge-content')!;
+
+      expect(matBadgeElement.textContent).toBe('2');
+    });
+  });
+
+  it('render with more data that contains empty required fields should show proper error count', () => {
+    setupMockStore(fixture, {
+      data: { test: [{}, {}] },
+      schema: TEST_SCHEMA,
+      uischema: TEST_UISCHEMA,
+    });
+    fixture.componentInstance.ngOnInit();
+    fixture.detectChanges();
+    expect(fixture.nativeElement.children[0].children.length).toBe(3);
+
+    fixture.whenRenderingDone().then(() => {
+      fixture.detectChanges();
+
+      const arrayLayoutElement: HTMLElement = fixture.nativeElement;
+      const matBadgeElement =
+        arrayLayoutElement.querySelector('.mat-badge-content')!;
+
+      expect(matBadgeElement.textContent).toBe('4');
+    });
+  });
+});