diff --git a/test/suite/extension.test.js b/test/suite/extension.test.js
index 34249bb..1ca3c26 100755
--- a/test/suite/extension.test.js
+++ b/test/suite/extension.test.js
@@ -4,15 +4,21 @@ const { before } = require('mocha');
 // You can import and use all API from the 'vscode' module
 // as well as import your extension to test it
 const vscode = require('vscode');
-// const myExtension = require('../extension');
+// const 补全实现 = require('../../补全实现') // TODO: 应直接引用模块
+// 拷贝自"补全实现"
+const 标识符模式 = /(-?\d*\.\d\w*)|([^\`\~\!\@\^\&\*\(\)\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\s？。，、；：？…—·ˉˇ¨“”～〃｜《》〔〕（），]+)/g;
 
 suite('Extension Test Suite', () => {
 	before(() => {
 		vscode.window.showInformationMessage('Start all tests.');
 	});
 
-	test('Sample test', () => {
-		assert.equal(-1, [1, 2, 3].indexOf(5));
-		assert.equal(-1, [1, 2, 3].indexOf(0));
+	test('标识符识别', () => {
+		assert.deepEqual("量 - 1".match(标识符模式), ["量", "-", "1"]);
+
+		// 复现 https://github.com/program-in-chinese/vscode_Chinese_Input_Assistant/issues/8
+		assert.deepEqual("量-1".match(标识符模式), ["量-1"], "现状有误");
+		// TODO: 下面应通过
+		assert.deepEqual("量-1".match(标识符模式), ["量", "-", "1"], "与-相连");
 	});
 });