Content - 5d29234bbf32505a98ad132571c6d5467ce44d51 - e2de41d/intersection-observer/observer-exceptions.html

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Tip revision: 8d877aacda3215c8ef53f1bb787c7c1d1b5d2fe5 authored by Fredrik Söderquist on 07 November 2018, 09:00:38 UTC
Recognize 'optimizespeed' and 'optimizequality' for 'image-rendering'

Tip revision: 8d877aa

observer-exceptions.html

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<script>
test(function () {
  assert_throws(RangeError(), function() {
    new IntersectionObserver(e => {}, {threshold: [1.1]})
  })
}, "IntersectionObserver constructor with { threshold: [1.1] }");

test(function () {
  assert_throws(TypeError(), function() {
    new IntersectionObserver(e => {}, {threshold: ["foo"]})
  })
}, 'IntersectionObserver constructor with { threshold: ["foo"] }');

test(function () {
  assert_throws("SYNTAX_ERR", function() {
    new IntersectionObserver(e => {}, {rootMargin: "1"})
  })
}, 'IntersectionObserver constructor with { rootMargin: "1" }');

test(function () {
  assert_throws("SYNTAX_ERR", function() {
    new IntersectionObserver(e => {}, {rootMargin: "2em"})
  })
}, 'IntersectionObserver constructor with { rootMargin: "2em" }');

test(function () {
  assert_throws("SYNTAX_ERR", function() {
    new IntersectionObserver(e => {}, {rootMargin: "auto"})
  })
}, 'IntersectionObserver constructor with { rootMargin: "auto" }');

test(function () {
  assert_throws("SYNTAX_ERR", function() {
    new IntersectionObserver(e => {}, {rootMargin: "calc(1px + 2px)"})
  })
}, 'IntersectionObserver constructor with { rootMargin: "calc(1px + 2px)" }');

test(function () {
  assert_throws("SYNTAX_ERR", function() {
    new IntersectionObserver(e => {}, {rootMargin: "1px !important"})
  })
}, 'IntersectionObserver constructor with { rootMargin: "1px !important" }');

test(function () {
  assert_throws("SYNTAX_ERR", function() {
    new IntersectionObserver(e => {}, {rootMargin: "1px 1px 1px 1px 1px"})
  })
}, 'IntersectionObserver constructor with { rootMargin: "1px 1px 1px 1px 1px" }');

test(function () {
  assert_throws(TypeError(), function() {
    let observer = new IntersectionObserver(c => {}, {});
    observer.observe("foo");
  })
}, 'IntersectionObserver.observe("foo")');
</script>

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