初始化

client/test/pointercorrect.test.js

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+import {
+  LetterBoxType,
+  PointerCorrector
+} from "../src/pointercorrect.js";
+
+import {DOMRect} from "./domrect.js";
+import {DOMHTMLVideoElement} from "./domvideoelement.js";
+
+describe(`PointerCorrector.map`, () => {
+  test('letterboxType', () => {
+    const rect = new DOMRect(10, 10, 200, 200);
+    const element = new DOMHTMLVideoElement(rect);
+    let corrector = new PointerCorrector(50, 100, element);
+    expect(corrector.letterBoxType).toBe(LetterBoxType.Vertical);
+    corrector.reset(100, 50, element);
+    expect(corrector.letterBoxType).toBe(LetterBoxType.Horizontal);
+  });
+  test('letterboxSize', () => {
+    const rect = new DOMRect(0, 0, 100, 100);
+    const element = new DOMHTMLVideoElement(rect);
+    let corrector = new PointerCorrector(50, 100, element);
+    expect(corrector.letterBoxSize).toBe(25);
+  });
+  test('contentRect', () => {
+    const rect = new DOMRect(0, 0, 100, 100);
+    const element = new DOMHTMLVideoElement(rect);
+    let corrector = new PointerCorrector(50, 100, element);
+    expect(corrector.contentRect.x).toBe(25);
+    expect(corrector.contentRect.y).toBe(0);
+    expect(corrector.contentRect.width).toBe(50);
+    expect(corrector.contentRect.height).toBe(100);
+  });
+  test('mapping', () => {
+    const rect = new DOMRect(10, 10, 200, 200);
+    const element = new DOMHTMLVideoElement(rect);
+    const videoWidth = 100;
+    const videoHeight = 100;
+    let corrector = new PointerCorrector(videoWidth, videoHeight, element);
+    const position = [10, 10];
+    const newPosition = corrector.map(position);
+    expect(newPosition[0]).toBe(0);
+    expect(newPosition[1]).toBe(100);
+  });
+
+});