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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that the dimensions of the preview tooltips are correctly updated to fit their
// content.
// Small 32x32 image.
const BASE_64_URL =
"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr" +
"0AAAAUElEQVRYR+3UsQkAQAhD0TjJ7T+Wk3gbxMIizbcVITwwJWlkZtptpXp+v94TAAEE4gLTvgfOf770RB" +
"EAAQTiAvEiIgACCMQF4kVEAAQQSAt8xsyeAW6R8eIAAAAASUVORK5CYII=";
add_task(async function () {
await addTab(
"data:text/html;charset=utf-8," +
encodeURIComponent(`
<style>
html {
/* Using a long variable name to ensure preview tooltip for variable will be */
/* wider than the preview tooltip for the test 32x32 image. */
--test-var-wider-than-image: red;
}
#target {
color: var(--test-var-wider-than-image);
background: url(${BASE_64_URL});
}
</style>
<div id="target">inspect me</div>
`)
);
const { inspector, view } = await openRuleView();
await selectNode("#target", inspector);
// On linux webrender opt, the inspector might open the ruleview before it has
// been populated with the rules for the div.
info("Wait until the rule view property is rendered");
const colorPropertyElement = await waitFor(() =>
getRuleViewProperty(view, "#target", "color")
);
// Retrieve the element for `--test-var` on which the CSS variable tooltip will appear.
const colorPropertySpan = colorPropertyElement.valueSpan;
const colorVariableElement =
colorPropertySpan.querySelector(".ruleview-variable");
// Retrieve the element for the background url on which the image preview will appear.
const backgroundPropertySpan = getRuleViewProperty(
view,
"#target",
"background"
).valueSpan;
const backgroundUrlElement =
backgroundPropertySpan.querySelector(".theme-link");
info("Show preview tooltip for CSS variable");
let previewTooltip = await assertShowPreviewTooltip(
view,
colorVariableElement
);
// Measure tooltip dimensions.
let tooltipRect = previewTooltip.panel.getBoundingClientRect();
const originalHeight = tooltipRect.height;
const originalWidth = tooltipRect.width;
info(`Original dimensions: ${originalWidth} x ${originalHeight}`);
await assertTooltipHiddenOnMouseOut(previewTooltip, colorVariableElement);
info("Show preview tooltip for background url");
previewTooltip = await assertShowPreviewTooltip(view, backgroundUrlElement);
// Compare new tooltip dimensions to previous measures.
tooltipRect = previewTooltip.panel.getBoundingClientRect();
info(
`Image preview dimensions: ${tooltipRect.width} x ${tooltipRect.height}`
);
Assert.greater(
tooltipRect.height,
originalHeight,
"Tooltip is taller for image preview"
);
Assert.less(
tooltipRect.width,
originalWidth,
"Tooltip is narrower for image preview"
);
await assertTooltipHiddenOnMouseOut(previewTooltip, colorVariableElement);
info("Show preview tooltip for CSS variable again");
previewTooltip = await assertShowPreviewTooltip(view, colorVariableElement);
// Check measures are identical to initial ones.
tooltipRect = previewTooltip.panel.getBoundingClientRect();
info(
`CSS variable tooltip dimensions: ${tooltipRect.width} x ${tooltipRect.height}`
);
is(
tooltipRect.height,
originalHeight,
"Tooltip has the same height as the original"
);
is(
tooltipRect.width,
originalWidth,
"Tooltip has the same width as the original"
);
await assertTooltipHiddenOnMouseOut(previewTooltip, colorVariableElement);
});