diff --git a/addons/xterm-addon-web-links/test/WebLinksAddon.api.ts b/addons/xterm-addon-web-links/test/WebLinksAddon.api.ts
index 9bcda0a5..44d09c95 100644
--- a/addons/xterm-addon-web-links/test/WebLinksAddon.api.ts
+++ b/addons/xterm-addon-web-links/test/WebLinksAddon.api.ts
@@ -36,8 +36,41 @@ describe('WebLinksAddon', () => {
     await testHostName('foo.io');
   });
 
-  it.skip('correct buffer offsets', async () => {
-    // TODO: test strings in test_weblinks.sh automatically
+  describe('correct buffer offsets & uri', () => {
+    it('all half width', async () => {
+      setupCustom();
+      await writeSync(page, 'aaa http://example.com aaa http://example.com aaa');
+      await resetAndHover(5, 1);
+      await evalData('http://example.com', { start: { x: 5, y: 1 }, end: { x: 22, y: 1 } });
+      await resetAndHover(1, 2);
+      await evalData('http://example.com', { start: { x: 28, y: 1 }, end: { x: 5, y: 2 } });
+    });
+    it('url after full width', async () => {
+      setupCustom();
+      await writeSync(page, '￥￥￥ http://example.com ￥￥￥ http://example.com aaa');
+      await resetAndHover(8, 1);
+      await evalData('http://example.com', { start: { x: 8, y: 1 }, end: { x: 25, y: 1 } });
+      await resetAndHover(1, 2);
+      await evalData('http://example.com', { start: { x: 34, y: 1 }, end: { x: 11, y: 2 } });
+    });
+    it('full width within url and before', async () => {
+      setupCustom();
+      await writeSync(page, '￥￥￥ https://ko.wikipedia.org/wiki/위키백과:대문 aaa https://ko.wikipedia.org/wiki/위키백과:대문 ￥￥￥');
+      await resetAndHover(8, 1);
+      await evalData('https://ko.wikipedia.org/wiki/위키백과:대문', { start: { x: 8, y: 1 }, end: { x: 11, y: 2 } });
+      await resetAndHover(1, 2);
+      await evalData('https://ko.wikipedia.org/wiki/위키백과:대문', { start: { x: 8, y: 1 }, end: { x: 11, y: 2 } });
+      await resetAndHover(17, 2);
+      await evalData('https://ko.wikipedia.org/wiki/위키백과:대문', { start: { x: 17, y: 2 }, end: { x: 19, y: 3 } });
+    });
+    it('name + password url after full width and combining', async () => {
+      setupCustom();
+      await writeSync(page, '￥￥￥cafe\u0301 http://test:password@example.com/some_path');
+      await resetAndHover(12, 1);
+      await evalData('http://test:password@example.com/some_path', { start: { x: 12, y: 1 }, end: { x: 13, y: 2 } });
+      await resetAndHover(13, 2);
+      await evalData('http://test:password@example.com/some_path', { start: { x: 12, y: 1 }, end: { x: 13, y: 2 } });
+    });
   });
 });
 
@@ -68,3 +101,23 @@ async function pollForLinkAtCell(col: number, row: number, value: string): Promi
   await pollFor(page, `document.querySelectorAll('${rowSelector} > span[style]').length >= ${value.length}`, true, async () => page.hover(`${rowSelector} > :nth-child(${col})`));
   assert.equal(await page.evaluate(`Array.prototype.reduce.call(document.querySelectorAll('${rowSelector} > span[style]'), (a, b) => a + b.textContent, '');`), value);
 }
+
+async function setupCustom(): Promise<void> {
+  await openTerminal(page, { cols: 40 });
+  await page.evaluate(`window._customLinkData = [];
+window._linkaddon = new window.WebLinksAddon();
+window._linkaddon._options.hover = (event, uri, range) => { window._customLinkData.push([uri, range]); };
+window.term.loadAddon(window._linkaddon);`);
+}
+
+async function resetAndHover(col: number, row: number): Promise<void> {
+  await page.evaluate(`window._customLinkData = [];`);
+  const rowSelector = `.xterm-rows > :nth-child(${row})`;
+  await page.hover(`${rowSelector} > :nth-child(${col})`);
+}
+
+async function evalData(uri: string, range: any): Promise<void> {
+  const data: any[] = await page.evaluate(`window._customLinkData[0]`);
+  assert.equal(data[0], uri);
+  assert.deepEqual(data[1], range);
+}