Content - d4f178be51c394ba98225f359eb02cd78f45259e - 7c8d1af/intersection-observer/observer-exceptions.html

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Tip revision: ebd1dd81d65363cfc850d6a8712e58bdaf872de8 authored by jkereliuk on 04 December 2017, 17:25:36 UTC
debugging

Tip revision: ebd1dd8

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 witth { 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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