test(L-I): Stack

Author: kennarddh

L-I/0003 Stack ( L-I )/Test.js

@@ -0,0 +1,32 @@
+const { strict: assert } = require('assert')
+
+const Stack = require('./Stack.js')
+
+const stack = new Stack()
+
+stack.push('foo')
+
+assert.equal(stack.size, 1)
+
+stack.push('bar')
+
+assert.equal(stack.size, 2)
+
+assert.equal(stack.peek(), 'bar')
+assert.equal(stack.size, 2)
+assert.equal(stack.pop(), 'bar')
+assert.equal(stack.size, 1)
+assert.equal(stack.peek(), 'foo')
+assert.equal(stack.size, 1)
+
+stack.push('foobar')
+
+assert.equal(stack.size, 2)
+assert.equal(stack.peek(), 'foobar')
+assert.equal(stack.size, 2)
+assert.equal(stack.pop(), 'foobar')
+assert.equal(stack.size, 1)
+assert.equal(stack.pop(), 'foo')
+assert.equal(stack.size, 0)
+
+console.log('All tests success')