[LAB1] 512558012

lab1/main_test.js

@@ -2,22 +2,70 @@ const test = require('node:test');
 const assert = require('assert');
 const { MyClass, Student } = require('./main');
 
-test("Test MyClass's addStudent", () => {
-    // TODO
-    throw new Error("Test not implemented");
+// 测试 MyClass 的 addStudent 方法
+test("Test MyClass's addStudent", async () => {
+    const myClass = new MyClass();
+    const student = new Student();
+    student.setName('John Doe');
+    const index = myClass.addStudent(student);
+    assert.strictEqual(index, 0); // 第一个学生的索引应该是 0
 });
 
-test("Test MyClass's getStudentById", () => {
-    // TODO
-    throw new Error("Test not implemented");
+// 测试 MyClass 的 getStudentById 方法
+test("Test MyClass's getStudentById", async () => {
+    const myClass = new MyClass();
+    const student = new Student();
+    student.setName('John Doe');
+    const index = myClass.addStudent(student);
+
+    // 有效的 ID
+    const retrievedStudent = myClass.getStudentById(index);
+    assert.strictEqual(retrievedStudent, student);
+
+    // 无效的 ID
+    const invalidRetrieval = myClass.getStudentById(-1);
+    assert.strictEqual(invalidRetrieval, null);
+});
+
+// 测试 Student 的 setName 方法
+test("Test Student's setName", async () => {
+    const student = new Student();
+
+    // 有效的名称
+    student.setName('Jane Doe');
+    assert.strictEqual(student.getName(), 'Jane Doe');
+
+    // 无效的名称（非字符串）
+    student.setName(123);
+    assert.notStrictEqual(student.getName(), 123); // 名称不应该设置为一个数字
 });
 
-test("Test Student's setName", () => {
-    // TODO
-    throw new Error("Test not implemented");
+// 测试 Student 的 getName 方法
+test("Test Student's getName", async () => {
+    const student = new Student();
+
+    // 名称未设置
+    assert.strictEqual(student.getName(), ''); // 应该返回一个空字符串
+
+    // 名称已设置
+    student.setName('Jane Doe');
+    assert.strictEqual(student.getName(), 'Jane Doe');
+});
+
+// 测试 MyClass 的 removeStudent 方法
+test("Test MyClass's removeStudent", async () => {
+    const myClass = new MyClass();
+    const student = new Student();
+    student.setName('John Doe');
+    const index = myClass.addStudent(student);
+
+    // 移除学生
+    const removedStudent = myClass.removeStudent(index);
+    assert.strictEqual(removedStudent, student);
+
+    // 尝试移除不存在的学生
+    const result = myClass.removeStudent(999);
+    assert.strictEqual(result, null);
 });
 
-test("Test Student's getName", () => {
-    // TODO
-    throw new Error("Test not implemented");
-});
+// 添加更多测试用例以覆盖你预期的所有场景和边界情况

lab3/main_test.js

@@ -1,5 +1,51 @@
-const { describe, it } = require('node:test');
-const assert = require('assert');
 const { Calculator } = require('./main');
+const Jasmine = require('jasmine');
+const jasmine = new Jasmine();
+
+describe('Calculator', () => {
+    let calculator;
+
+    beforeEach(() => {
+        calculator = new Calculator();
+    });
+
+    describe('exp function', () => {
+        it('should correctly calculate the exponential of valid numbers', () => {
+            expect(calculator.exp(1)).toBeCloseTo(Math.exp(1));
+            expect(calculator.exp(0)).toBeCloseTo(1);
+            expect(calculator.exp(-1)).toBeCloseTo(Math.exp(-1));
+        });
+
+        it('should throw an error for non-finite inputs', () => {
+            expect(() => calculator.exp(Infinity)).toThrowError('unsupported operand type');
+            expect(() => calculator.exp(-Infinity)).toThrowError('unsupported operand type');
+            expect(() => calculator.exp(NaN)).toThrowError('unsupported operand type');
+        });
+
+        it('should throw an overflow error for large inputs', () => {
+            expect(() => calculator.exp(1000)).toThrowError('overflow');
+        });
+    });
+
+    describe('log function', () => {
+        it('should correctly calculate the logarithm of valid numbers', () => {
+            expect(calculator.log(1)).toBeCloseTo(Math.log(1));
+            expect(calculator.log(Math.E)).toBeCloseTo(1);
+            expect(calculator.log(10)).toBeCloseTo(Math.log(10));
+        });
+
+        it('should throw an error for non-finite inputs', () => {
+            expect(() => calculator.log(Infinity)).toThrowError('unsupported operand type');
+            expect(() => calculator.log(-Infinity)).toThrowError('unsupported operand type');
+            expect(() => calculator.log(NaN)).toThrowError('unsupported operand type');
+        });
+
+        it('should throw a math domain error for invalid domain inputs', () => {
+            expect(() => calculator.log(-1)).toThrowError('math domain error (2)');
+            expect(() => calculator.log(0)).toThrowError('math domain error (1)');
+        });
+    });
+});
+
+jasmine.execute();
 
-// TODO: write your tests here