diff --git a/group02/727171008/src/com/github/HarryHook/coding2017/stack/QuickMinStackTest.java b/group02/727171008/src/com/github/HarryHook/coding2017/stack/QuickMinStackTest.java
new file mode 100644
index 0000000000..1c2f88e96f
--- /dev/null
+++ b/group02/727171008/src/com/github/HarryHook/coding2017/stack/QuickMinStackTest.java
@@ -0,0 +1,53 @@
+package com.github.HarryHook.coding2017.stack;
+
+import static org.junit.Assert.*;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+public class QuickMinStackTest {
+    QuickMinStack stack;
+
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    @After
+    public void tearDown() throws Exception {
+    }
+
+    @Rule
+    public ExpectedException expectedEx = ExpectedException.none();
+
+    @Test
+    public void test() {
+	stack = new QuickMinStack();
+	// 栈为空，抛出异常
+	expectedEx.expect(Exception.class);
+	stack.pop();
+
+	stack.push(5);
+	stack.push(3);
+	stack.push(2);
+	stack.push(4);
+	stack.push(1);
+	assertEquals(1, stack.findMin());
+	assertEquals(1, stack.pop());
+	assertEquals(2, stack.findMin());
+	assertEquals(4, stack.pop());
+	assertEquals(2, stack.findMin());
+	assertEquals(2, stack.pop());
+	assertEquals(3, stack.findMin());
+	assertEquals(3, stack.pop());
+	assertEquals(5, stack.findMin());
+	assertEquals(5, stack.pop());
+
+	expectedEx.expect(Exception.class);
+	stack.pop();
+
+    }
+
+}
diff --git a/group02/727171008/src/com/github/HarryHook/coding2017/stack/StackWithTwoQueuesTest.java b/group02/727171008/src/com/github/HarryHook/coding2017/stack/StackWithTwoQueuesTest.java
new file mode 100644
index 0000000000..87038ab3df
--- /dev/null
+++ b/group02/727171008/src/com/github/HarryHook/coding2017/stack/StackWithTwoQueuesTest.java
@@ -0,0 +1,47 @@
+package com.github.HarryHook.coding2017.stack;
+
+import static org.junit.Assert.*;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import sun.java2d.StateTrackable;
+
+public class StackWithTwoQueuesTest {
+    StackWithTwoQueues stack;
+
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    @After
+    public void tearDown() throws Exception {
+    }
+
+    @Rule
+    public ExpectedException expectedEx = ExpectedException.none();
+
+    @Test
+    public void test() {
+	stack = new StackWithTwoQueues();
+	// 栈为空，抛出异常
+	expectedEx.expect(Exception.class);
+	stack.pop();
+
+	stack.push(1);
+	stack.push(2);
+	stack.push(3);
+	assertEquals(3, stack.pop());
+	stack.push(43);
+	assertEquals(43, stack.pop());
+	assertEquals(2, stack.pop());
+	assertEquals(1, stack.pop());
+
+	expectedEx.expect(Exception.class);
+	stack.pop();
+    }
+
+}
diff --git a/group02/727171008/src/com/github/HarryHook/coding2017/stack/TwoStackInOneArrayTest.java b/group02/727171008/src/com/github/HarryHook/coding2017/stack/TwoStackInOneArrayTest.java
new file mode 100644
index 0000000000..d37c39d156
--- /dev/null
+++ b/group02/727171008/src/com/github/HarryHook/coding2017/stack/TwoStackInOneArrayTest.java
@@ -0,0 +1,79 @@
+package com.github.HarryHook.coding2017.stack;
+
+import static org.junit.Assert.*;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+public class TwoStackInOneArrayTest {
+    TwoStackInOneArray stack;
+
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    @After
+    public void tearDown() throws Exception {
+    }
+
+    @Rule
+    public ExpectedException expectedEx = ExpectedException.none();
+
+    @Test
+    public void test() {
+	stack = new TwoStackInOneArray();
+	stack.push1(3);
+	stack.push1(5);
+	stack.push1(6);
+	stack.push1(11);
+	assertEquals(11, stack.peek1());
+	assertEquals(11, stack.pop1());
+	assertEquals(6, stack.pop1());
+	stack.push1(61);
+	assertEquals(61, stack.pop1());
+	assertEquals(5, stack.pop1());
+	assertEquals(3, stack.peek1());
+	assertEquals(3, stack.pop1());
+	// 栈1为空，抛出异常
+	expectedEx.expect(Exception.class);
+	stack.pop1();
+
+	stack.push2(123);
+	stack.push2(1);
+	stack.push2(4);
+
+	stack.push1(3);
+	stack.push1(5);
+	stack.push1(6);
+
+	stack.push2(123);
+	stack.push2(1);
+	stack.push2(4);
+	stack.push2(12);
+	stack.push2(2);
+	stack.push2(8);
+
+	assertEquals(6, stack.pop1());
+	assertEquals(5, stack.peek1());
+	assertEquals(5, stack.pop1());
+	assertEquals(3, stack.pop1());
+
+	assertEquals(8, stack.pop2());
+	assertEquals(2, stack.pop2());
+	assertEquals(12, stack.pop2());
+	assertEquals(4, stack.pop2());
+	assertEquals(1, stack.pop2());
+	assertEquals(123, stack.pop2());
+	assertEquals(4, stack.pop2());
+	assertEquals(1, stack.pop2());
+	assertEquals(123, stack.pop2());
+	// 栈2为空，抛出异常
+	expectedEx.expect(Exception.class);
+	stack.pop2();
+
+    }
+
+}