Tests that evaluating V8-embedder callbacks allows side-effect-free methods. Should not crash.
Expression `document.querySelector('div').x = "foo"`
has side effect: true, expected: true
Expression `$('div')`
has side effect: false, expected: false
Expression `$$('div')`
has side effect: false, expected: false
Expression `$x('//div')`
has side effect: false, expected: false
Expression `getEventListeners(document)`
has side effect: false, expected: false
Expression `$.toString()`
has side effect: false, expected: false
Expression `$$.toString()`
has side effect: false, expected: false
Expression `$x.toString()`
has side effect: false, expected: false
Expression `getEventListeners.toString()`
has side effect: false, expected: false
Expression `monitorEvents()`
has side effect: true, expected: true
Expression `unmonitorEvents()`
has side effect: true, expected: true
Expression `document.getElementsByTagName('div')`
has side effect: false, expected: false
Expression `document.getElementsByTagNameNS(namespace, 'div')`
has side effect: false, expected: false
Expression `document.getElementsByClassName('foo')`
has side effect: false, expected: false
Expression `document.getElementsByName('div-name')`
has side effect: false, expected: false
Expression `document.hasFocus()`
has side effect: false, expected: false
Expression `document.getSelection()`
has side effect: false, expected: false
Expression `domTokenList.contains('foo')`
has side effect: false, expected: false
Expression `domTokenList.contains({})`
has side effect: false, expected: false
Expression `domTokenList.contains()`
has side effect: false, expected: false
Expression `div.getAttributeNames()`
has side effect: false, expected: false
Expression `divNoAttrs.getAttributeNames()`
has side effect: false, expected: false
Expression `div.getAttribute()`
has side effect: false, expected: false
Expression `div.getAttribute('attr1')`
has side effect: false, expected: false
Expression `div.getAttribute({})`
has side effect: false, expected: false
Expression `divNoAttrs.getAttribute('attr1')`
has side effect: false, expected: false
Expression `div.hasAttribute()`
has side effect: false, expected: false
Expression `div.hasAttribute('attr1')`
has side effect: false, expected: false
Expression `div.hasAttribute({})`
has side effect: false, expected: false
Expression `divNoAttrs.hasAttribute('attr1')`
has side effect: false, expected: false
Expression `div.getAttributeNS(namespace, 'attr1')`
has side effect: false, expected: false
Expression `div.getAttributeNS(namespace)`
has side effect: false, expected: false
Expression `div.getAttributeNS()`
has side effect: false, expected: false
Expression `divNoAttrs.getAttributeNS(namespace, 'attr1')`
has side effect: false, expected: false
Expression `div.hasAttributeNS(namespace, 'attr1')`
has side effect: false, expected: false
Expression `div.hasAttributeNS(namespace)`
has side effect: false, expected: false
Expression `div.hasAttributeNS()`
has side effect: false, expected: false
Expression `divNoAttrs.hasAttributeNS(namespace, 'attr1')`
has side effect: false, expected: false
Expression `divNoAttrs.hasAttributeNS(namespace)`
has side effect: false, expected: false
Expression `div.hasAttributes()`
has side effect: false, expected: false
Expression `div.contains(textNode)`
has side effect: false, expected: false
Expression `div.contains()`
has side effect: false, expected: false
Expression `div.contains({})`
has side effect: false, expected: false
Expression `div.querySelector('div')`
has side effect: false, expected: false
Expression `div.querySelectorAll('div')`
has side effect: false, expected: false
Expression `div.hasChildNodes()`
has side effect: false, expected: false
Expression `document.contains(textNode)`
has side effect: false, expected: false
Expression `document.contains()`
has side effect: false, expected: false
Expression `document.contains({})`
has side effect: false, expected: false
Expression `document.querySelector('div')`
has side effect: false, expected: false
Expression `document.querySelectorAll('div')`
has side effect: false, expected: false
Expression `document.hasChildNodes()`
has side effect: false, expected: false
Expression `textNode.contains(textNode)`
has side effect: false, expected: false
Expression `textNode.contains()`
has side effect: false, expected: false
Expression `textNode.contains({})`
has side effect: false, expected: false
Expression `textNode.querySelector('div')`
has side effect: false, expected: false
Expression `textNode.querySelectorAll('div')`
has side effect: false, expected: false
Expression `textNode.hasChildNodes()`
has side effect: false, expected: false
Expression `performance.now()`
has side effect: false, expected: false
Expression `global_getSelection()`
has side effect: false, expected: false
Expression `htmlCollection[0]`
has side effect: false, expected: false
Expression `htmlCollection.item(0)`
has side effect: false, expected: false
Expression `htmlCollection.length`
has side effect: false, expected: false
Expression `nodeList[0]`
has side effect: false, expected: false
Expression `nodeList.item(0)`
has side effect: false, expected: false
Expression `nodeList.length`
has side effect: false, expected: false
Expression `$$result[0]`
has side effect: false, expected: false
Expression `$$result.item(0)`
has side effect: false, expected: false
Expression `$$result.length`
has side effect: false, expected: false
Expression `domTokenList[0]`
has side effect: false, expected: false
Expression `domTokenList.item(0)`
has side effect: false, expected: false
Expression `domTokenList.length`
has side effect: false, expected: false
Expression `bodyStyle[0]`
has side effect: false, expected: false
Expression `bodyStyle.item(0)`
has side effect: false, expected: false
Expression `bodyStyle.length`
has side effect: false, expected: false
Expression `namedNodeMap[0]`
has side effect: false, expected: false
Expression `namedNodeMap.item(0)`
has side effect: false, expected: false
Expression `namedNodeMap.length`
has side effect: false, expected: false
Expression `namedNodeMap.attr1`
has side effect: false, expected: false
Expression `div.getBoundingClientRect()`
has side effect: false, expected: false
Expression `global_getComputedStyle(div)`
has side effect: false, expected: false