placeholder-shown-with-textarea-basics.html

<!doctype html>
<script src="../../resources/js-test.js"></script>
<style>
textarea {
    background-color: white;
    color: black;
}
textarea:placeholder-shown {
    background-color: rgb(1, 2, 3);
}
textarea:not(:placeholder-shown) {
    color: rgb(4, 5, 6);
}
</style>
<div style="display:none">
    <!-- Does not match: no placeholder defined. -->
    <textarea id="no-placeholder"></textarea>
    <!-- Does not match: the placeholder is not shown when a value is set -->
    <textarea id="with-value" placeholder="WebKit">FooBar</textarea>
    <!-- Valid cases -->
    <textarea id="valid-placeholder" placeholder="WebKit"></textarea>
    <textarea id="empty-placeholder" placeholder></textarea>
    <textarea id="empty-placeholder2" placeholder=""></textarea>
    <textarea id="placeholder-contains-only-newline"></textarea>
    <textarea id="placeholder-contains-only-carriageReturn"></textarea>
    <!-- Value does not do anything on <textarea>, the content is the innerText -->
    <textarea id="valid-placeholder-with-value-attribute" placeholder="WebKit" value></textarea>
    <textarea id="valid-placeholder-with-value-attribute2" placeholder="WebKit" value=""></textarea>
    <textarea id="valid-placeholder-with-value-attribute3" placeholder="WebKit" value="Rocks!"></textarea>
</div>
<script>
description('Check the basic features of the ":placeholder-shown" pseudo class with the &lt;textarea&gt; element.');
document.getElementById('placeholder-contains-only-newline').setAttribute('placeholder', '\n');
document.getElementById('placeholder-contains-only-carriageReturn').setAttribute('placeholder', '\r');
shouldBe('document.querySelectorAll(":placeholder-shown").length', '8');
shouldBe('document.querySelectorAll(":placeholder-shown")[0]', 'document.getElementById("valid-placeholder")');
shouldBe('document.querySelectorAll(":placeholder-shown")[1]', 'document.getElementById("empty-placeholder")');
shouldBe('document.querySelectorAll(":placeholder-shown")[2]', 'document.getElementById("empty-placeholder2")');
shouldBe('document.querySelectorAll(":placeholder-shown")[3]', 'document.getElementById("placeholder-contains-only-newline")');
shouldBe('document.querySelectorAll(":placeholder-shown")[4]', 'document.getElementById("placeholder-contains-only-carriageReturn")');
shouldBe('document.querySelectorAll(":placeholder-shown")[5]', 'document.getElementById("valid-placeholder-with-value-attribute")');
shouldBe('document.querySelectorAll(":placeholder-shown")[6]', 'document.getElementById("valid-placeholder-with-value-attribute2")');
shouldBe('document.querySelectorAll(":placeholder-shown")[7]', 'document.getElementById("valid-placeholder-with-value-attribute3")');
shouldBeEqualToString('getComputedStyle(document.getElementById("no-placeholder")).backgroundColor', 'rgb(255, 255, 255)');
shouldBeEqualToString('getComputedStyle(document.getElementById("empty-placeholder")).backgroundColor', 'rgb(1, 2, 3)');
shouldBeEqualToString('getComputedStyle(document.getElementById("empty-placeholder2")).backgroundColor', 'rgb(1, 2, 3)');
shouldBeEqualToString('getComputedStyle(document.getElementById("placeholder-contains-only-newline")).backgroundColor', 'rgb(1, 2, 3)');
shouldBeEqualToString('getComputedStyle(document.getElementById("placeholder-contains-only-carriageReturn")).backgroundColor', 'rgb(1, 2, 3)');
shouldBeEqualToString('getComputedStyle(document.getElementById("with-value")).backgroundColor', 'rgb(255, 255, 255)');
shouldBeEqualToString('getComputedStyle(document.getElementById("valid-placeholder")).backgroundColor', 'rgb(1, 2, 3)');
shouldBeEqualToString('getComputedStyle(document.getElementById("valid-placeholder-with-value-attribute")).backgroundColor', 'rgb(1, 2, 3)');
shouldBeEqualToString('getComputedStyle(document.getElementById("valid-placeholder-with-value-attribute2")).backgroundColor', 'rgb(1, 2, 3)');
shouldBeEqualToString('getComputedStyle(document.getElementById("valid-placeholder-with-value-attribute3")).backgroundColor', 'rgb(1, 2, 3)');
debug("");
shouldBe('document.querySelectorAll("textarea:not(:placeholder-shown)").length', '2');
shouldBe('document.querySelectorAll("textarea:not(:placeholder-shown)")[0]', 'document.getElementById("no-placeholder")');
shouldBe('document.querySelectorAll("textarea:not(:placeholder-shown)")[1]', 'document.getElementById("with-value")');
shouldBeEqualToString('getComputedStyle(document.getElementById("no-placeholder")).color', 'rgb(4, 5, 6)');
shouldBeEqualToString('getComputedStyle(document.getElementById("empty-placeholder")).color', 'rgb(0, 0, 0)');
shouldBeEqualToString('getComputedStyle(document.getElementById("empty-placeholder2")).color', 'rgb(0, 0, 0)');
shouldBeEqualToString('getComputedStyle(document.getElementById("placeholder-contains-only-newline")).color', 'rgb(0, 0, 0)');
shouldBeEqualToString('getComputedStyle(document.getElementById("placeholder-contains-only-carriageReturn")).color', 'rgb(0, 0, 0)');
shouldBeEqualToString('getComputedStyle(document.getElementById("with-value")).color', 'rgb(4, 5, 6)');
shouldBeEqualToString('getComputedStyle(document.getElementById("valid-placeholder")).color', 'rgb(0, 0, 0)');
shouldBeEqualToString('getComputedStyle(document.getElementById("valid-placeholder-with-value-attribute")).color', 'rgb(0, 0, 0)');
shouldBeEqualToString('getComputedStyle(document.getElementById("valid-placeholder-with-value-attribute2")).color', 'rgb(0, 0, 0)');
shouldBeEqualToString('getComputedStyle(document.getElementById("valid-placeholder-with-value-attribute3")).color', 'rgb(0, 0, 0)');
</script>
chromium/third_party/blink/web_tests/fast/selectors/placeholder-shown-with-textarea-basics.html
