<!DOCTYPE html>
<html>
  <head>
    <title>CSS Selectors Invalidation: attribute</title>
    <link rel="help" href="https://drafts.csswg.org/selectors-4/#attribute-selectors">
    <meta name="assert" content="This tests that the attribute selectors are effective">
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <style>
      div {
        color: gray;
      }

      #a1[style] {
        color: blue;
      }
      #a1[style] > #b1 {
        color: green;
      }
      #a1[style] #c1 {
        color: red;
      }
      #a1[style] + #d1 {
        color: yellow;
      }

      [id=a2] {
        color: blue;
      }
      [id=a2] > #b2 {
        color: green;
      }
      [id=a2] #c2 {
        color: red;
      }
      [id=a2] + #d2 {
        color: yellow;
      }

      #a3[class~=q] {
        color: blue;
      }
      #a3[class~=q] > #b3 {
        color: green;
      }
      #a3[class~=q] #c3 {
        color: red;
      }
      #a3[class~=q] + #d3 {
        color: yellow;
      }

      #a4[run|=one] {
        color: blue;
      }
      #a4[run|=one] > #b4 {
        color: green;
      }
      #a4[run|=one] #c4 {
        color: red;
      }
      #a4[run|=one] + #d4 {
        color: yellow;
      }

      #a5 {
        color: blue;
      }
      #a5 > #b5 {
        color: green;
      }
      #a5 #c5 {
        color: red;
      }
      #a5 + #d5 {
        color: yellow;
      }

      #a6.q {
        color: blue;
      }
      #a6.q > #b6 {
        color: green;
      }
      #a6.q #c6 {
        color: red;
      }
      #a6.q + #d6 {
        color: yellow;
      }

  </style>
  </head>
  <body>

    <div id="a1">
      <div id="b1">
        <div id="c1">
        </div>
      </div>
    </div>
    <div id="d1">
    </div>

    <div>
      <div id="b2">
        <div id="c2">
        </div>
      </div>
    </div>
    <div id="d2">
    </div>

    <div id="a3">
      <div id="b3">
        <div id="c3">
        </div>
      </div>
    </div>
    <div id="d3">
    </div>

    <div id="a4">
      <div id="b4">
        <div id="c4">
        </div>
      </div>
    </div>
    <div id="d4">
    </div>

    <div>
      <div id="b5">
        <div id="c5">
        </div>
      </div>
    </div>
    <div id="d5">
    </div>

    <div id="a6">
      <div id="b6">
        <div id="c6">
        </div>
      </div>
    </div>
    <div id="d6">
    </div>

    <script>
      const gray = "rgb(128, 128, 128)";
      const blue = "rgb(0, 0, 255)";
      const green = "rgb(0, 128, 0)";
      const red = "rgb(255, 0, 0)";
      const yellow = "rgb(255, 255, 0)";

      function assertGray(a, b, c, d) {
        assert_equals(getComputedStyle(a).color, gray);
        assert_equals(getComputedStyle(b).color, gray);
        assert_equals(getComputedStyle(c).color, gray);
        assert_equals(getComputedStyle(d).color, gray);
      }

      function assertColorful(a, b, c, d) {
        assert_equals(getComputedStyle(a).color, blue);
        assert_equals(getComputedStyle(b).color, green);
        assert_equals(getComputedStyle(c).color, red);
        assert_equals(getComputedStyle(d).color, yellow);
      }

      test(() => {
        assertGray(a1, b1, c1, d1);
        a1.style.visibility = "visible";
        assertColorful(a1, b1, c1, d1);
        a1.removeAttribute('style');
        assertGray(a1, b1, c1, d1);
      }, "[att] selector is effective");

      test(() => {
        const a2 = b2.parentElement;
        assertGray(a2, b2, c2, d2);
        a2.id = 'x-a2';
        assertGray(a2, b2, c2, d2);
        a2.id = 'a2';
        assertColorful(a2, b2, c2, d2);
        a2.id = 'a2-y';
        assertGray(a2, b2, c2, d2);
      }, "[att=val] selector is effective");

      test(() => {
        assertGray(a3, b3, c3, d3);
        a3.setAttribute('class', 'p q r');
        assertColorful(a3, b3, c3, d3);
        a3.setAttribute('class', 'q-r');
        assertGray(a3, b3, c3, d3);
      }, "[att~=val] selector is effective");

      test(() => {
        assertGray(a4, b4, c4, d4);
        a4.setAttribute('run', 'one');
        assertColorful(a4, b4, c4, d4);
        a4.setAttribute('run', 'one two three');
        assertGray(a4, b4, c4, d4);
        a4.setAttribute('run', 'one-two-three');
        assertColorful(a4, b4, c4, d4);
        a4.setAttribute('run', 'zero-one');
        assertGray(a4, b4, c4, d4);
      }, "[att|=val] selector is effective");

      test(() => {
        const a5 = b5.parentElement;
        assertGray(a5, b5, c5, d5);
        a5.setAttribute('id', 'x-a5');
        assertGray(a5, b5, c5, d5);
        a5.setAttribute('id', 'a5');
        assertColorful(a5, b5, c5, d5);
        a5.setAttribute('id', 'a5-y');
        assertGray(a5, b5, c5, d5);
      }, "#id selector is effective");

      test(() => {
        assertGray(a6, b6, c6, d6);
        a6.classList.add('p');
        a6.classList.add('q');
        a6.classList.add('r');
        assertColorful(a6, b6, c6, d6);
        a6.classList.remove('q');
        a6.classList.add('q-r');
        assertGray(a6, b6, c6, d6);
      }, ".class selector is effective");

    </script>
  </body>
</html>
