diff --git a/tests/unit-tests/product-simple.php b/tests/unit-tests/product-simple.php
index 94d9659bdf56..c44b9745b77a 100644
--- a/tests/unit-tests/product-simple.php
+++ b/tests/unit-tests/product-simple.php
@@ -41,6 +41,8 @@ private function _delete_product() {
 	public function tearDown() {
 
 		remove_all_filters( 'woocommerce_product_add_to_cart_text' );
+		remove_all_filters( 'woocommerce_product_single_add_to_cart_text' );
+		remove_all_filters( 'woocommerce_product_needs_shipping' );
 	}
 
 	/**
@@ -59,6 +61,19 @@ public function test_add_to_cart_text() {
 		$this->_delete_product();
 	}
 
+	/**
+	 * Test single_add_to_cart_text()
+	 *
+	 * @since 2.3
+	 */
+	public function test_single_add_to_cart_text() {
+		$this->_get_product();
+
+		$this->assertEquals( __( 'Add to cart', 'woocommerce' ), $this->_product->single_add_to_cart_text() );
+
+		$this->_delete_product();
+	}
+
 	/**
 	 * Test get_title()
 	 *
@@ -69,4 +84,242 @@ public function test_get_title() {
 
 		$this->assertEquals( 'Dummy Product', $this->_product->get_title() );
 	}
+
+	/**
+	 * Test get_permalink()
+	 *
+	 * @since 2.3
+	 */
+	public function test_get_permalink() {
+		$this->_get_product();
+
+		$this->assertEquals( get_permalink( $this->_product->id ), $this->_product->get_permalink() );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test get_sku()
+	 *
+	 * @since 2.3
+	 */
+	public function test_get_sku() {
+		$this->_get_product();
+
+		$this->assertEquals( $this->_product->sku, $this->_product->get_sku() );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test get_stock_quantity()
+	 *
+	 * @since 2.3
+	 */
+	public function test_get_stock_quantity() {
+		$this->_get_product();
+
+		$this->assertEmpty( $this->_product->get_stock_quantity() );
+
+		$this->_product->manage_stock = 'yes';
+
+		$this->assertEquals( 0, $this->_product->get_stock_quantity() );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test get_total_stock()
+	 *
+	 * @since 2.3
+	 */
+	public function test_get_total_stock() {
+		$this->_get_product();
+
+		$this->assertEmpty( $this->_product->get_total_stock() );
+
+		$this->_product->manage_stock = 'yes';
+		$this->assertEquals( 0, $this->_product->get_total_stock() );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test set_stock()
+	 *
+	 * @since 2.3
+	 */
+	public function test_set_stock() {
+		$this->_get_product();
+
+		$this->_product->manage_stock = 'yes';
+		$this->assertEquals( 5, $this->_product->set_stock( 5 ) );
+		$this->assertEquals( 2, $this->_product->set_stock( 3, 'subtract' ) );
+		$this->assertEquals( 5, $this->_product->set_stock( 3, 'add' ) );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test reduce_stock()
+	 *
+	 * @since 2.3
+	 */
+	public function test_reduce_stock() {
+		$this->_get_product();
+
+		$this->_product->manage_stock = 'yes';
+		$this->_product->set_stock( 5 );
+		$this->assertEquals( 2, $this->_product->reduce_stock( 3 ) );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test increase_stock()
+	 *
+	 * @since 2.3
+	 */
+	public function test_increase_stock() {
+		$this->_get_product();
+
+		$this->_product->manage_stock = 'yes';
+		$this->_product->set_stock( 5 );
+		$this->assertEquals( 8, $this->_product->increase_stock( 3 ) );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test is_type()
+	 *
+	 * @since 2.3
+	 */
+	public function test_is_type() {
+		$this->_get_product();
+
+		$this->assertTrue( $this->_product->is_type( 'simple' ) );
+		$this->assertFalse( $this->_product->is_type( 'grouped' ) );
+		$this->assertFalse( $this->_product->is_type( 'variable' ) );
+		$this->assertFalse( $this->_product->is_type( 'external' ) );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test is_downloadable()
+	 *
+	 * @since 2.3
+	 */
+	public function test_is_downloadable() {
+		$this->_get_product();
+
+		$this->assertEmpty( $this->_product->is_downloadable() );
+
+		$this->_product->downloadable = 'yes';
+		$this->assertTrue( $this->_product->is_downloadable() );
+
+		$this->_product->downloadable = 'no';
+		$this->assertFalse( $this->_product->is_downloadable() );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test is_virtual()
+	 *
+	 * @since 2.3
+	 */
+	public function test_is_virtual() {
+		$this->_get_product();
+
+		$this->assertEmpty( $this->_product->is_virtual() );
+
+		$this->_product->virtual = 'yes';
+		$this->assertTrue( $this->_product->is_virtual() );
+
+		$this->_product->virtual = 'no';
+		$this->assertFalse( $this->_product->is_virtual() );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test needs_shipping()
+	 *
+	 * @since 2.3
+	 */
+	public function test_needs_shipping() {
+		$this->_get_product();
+
+		$this->_product->virtual = 'yes';
+		$this->assertFalse( $this->_product->needs_shipping() );
+
+		$this->_product->virtual = 'no';
+		$this->assertTrue( $this->_product->needs_shipping() );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test is_sold_individually()
+	 *
+	 * @since 2.3
+	 */
+	public function test_is_sold_individually() {
+		$this->_get_product();
+
+		$this->_product->sold_individually = 'yes';
+		$this->assertTrue( $this->_product->is_sold_individually() );
+
+		$this->_product->sold_individually = 'no';
+		$this->assertFalse( $this->_product->is_sold_individually() );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test backorders_allowed()
+	 *
+	 * @since 2.3
+	 */
+	public function test_backorders_allowed() {
+		$this->_get_product();
+
+		$this->_product->backorders = 'yes';
+		$this->assertTrue( $this->_product->backorders_allowed() );
+
+		$this->_product->backorders = 'notify';
+		$this->assertTrue( $this->_product->backorders_allowed() );
+
+		$this->_product->backorders = 'no';
+		$this->assertFalse( $this->_product->backorders_allowed() );
+
+		$this->_delete_product();
+	}
+
+	/**
+	 * Test backorders_require_notification()
+	 *
+	 * @since 2.3
+	 */
+	public function test_backorders_require_notification() {
+		$this->_get_product();
+
+		$this->_product->backorders = 'notify';
+		$this->_product->manage_stock = 'yes';
+		$this->assertTrue( $this->_product->backorders_require_notification() );
+
+		$this->_product->backorders = 'yes';
+		$this->assertFalse( $this->_product->backorders_require_notification() );
+
+		$this->_product->backorders = 'no';
+		$this->assertFalse( $this->_product->backorders_require_notification() );
+
+		$this->_product->backorders = 'yes';
+		$this->_product->manage_stock = 'no';
+		$this->assertFalse( $this->_product->backorders_require_notification() );
+
+		$this->_delete_product();
+	}
 }