Merge branch '842_resize_buffers_bug' into 335_xterm_to_ts

setOption('scrollback', 0) no longer returns false, it just warns.

src/utils/TestUtils.ts

@@ -0,0 +1,57 @@
+import { ITerminal, IBuffer, IBufferSet, IBrowser, ICharMeasure, ISelectionManager, ITerminalOptions, IListenerType } from '../Interfaces';
+
+export class MockTerminal implements ITerminal {
+  options: ITerminalOptions = {};
+  element: HTMLElement;
+  rowContainer: HTMLElement;
+  selectionContainer: HTMLElement;
+  selectionManager: ISelectionManager;
+  charMeasure: ICharMeasure;
+  textarea: HTMLTextAreaElement;
+  rows: number;
+  cols: number;
+  browser: IBrowser;
+  writeBuffer: string[];
+  children: HTMLElement[];
+  cursorHidden: boolean;
+  cursorState: number;
+  defAttr: number;
+  scrollback: number;
+  buffers: IBufferSet;
+  buffer: IBuffer;
+
+  handler(data: string): void {
+    throw new Error('Method not implemented.');
+  }
+  on(event: string, callback: () => void): void {
+    throw new Error('Method not implemented.');
+  }
+  off(type: string, listener: IListenerType): void {
+    throw new Error('Method not implemented.');
+  }
+  scrollDisp(disp: number, suppressScrollEvent: boolean): void {
+    throw new Error('Method not implemented.');
+  }
+  cancel(ev: Event, force?: boolean): void {
+    throw new Error('Method not implemented.');
+  }
+  log(text: string): void {
+    throw new Error('Method not implemented.');
+  }
+  emit(event: string, data: any): void {
+    throw new Error('Method not implemented.');
+  }
+  reset(): void {
+    throw new Error('Method not implemented.');
+  }
+  showCursor(): void {
+    throw new Error('Method not implemented.');
+  }
+  blankLine(cur?: boolean, isWrapped?: boolean): [number, string, number][] {
+    const line: [number, string, number][] = [];
+    for (let i = 0; i < this.cols; i++) {
+      line.push([0, ' ', 1]);
+    }
+    return line;
+  }
+}