chore: addl class tests

Author: lukeed

Diff for: test/index.js

@@ -106,6 +106,63 @@ Classes('constructor properties', () => {
 	assert.equal(output.val, 42);
 });
 
+Classes('constructor properties :: class', () => {
+	class Test {
+		constructor(num) {
+			this.value = num;
+		}
+	}
+
+	Test.prototype.val = 42;
+
+	const input = new Test(123);
+	const output = klona(input);
+
+	assert.deepEqual(input, output);
+	assert.deepEqual(output.constructor, Test);
+	assert.deepEqual(output.__proto__, { val: 42 });
+
+	assert.equal(output.value, 123);
+	assert.equal(output.val, 42);
+});
+
+Classes('constructor properties :: defaults', () => {
+	class Test {
+		constructor(num = 123) {
+			this.value = num;
+		}
+	}
+
+	const input = new Test(456);
+	const output = klona(input);
+
+	assert.deepEqual(input, output);
+	assert.equal(output.value, 456);
+});
+
+Classes('accessors', () => {
+	class Test {
+		get val() {
+			return 42;
+		}
+	}
+
+	const input = new Test();
+	const output = klona(input);
+
+	assert.deepEqual(input, output);
+	assert.deepEqual(output.constructor, Test);
+	assert.deepEqual(output.__proto__, {});
+
+	assert.deepEqual(
+		// @ts-ignore
+		Object.getOwnPropertyDescriptor(input.__proto__, 'val'),
+		Object.getOwnPropertyDescriptor(output.__proto__, 'val'),
+	);
+
+	assert.equal(output.val, 42);
+})
+
 Classes.run();
 
 // ---