structured-serialize-detail.any.js

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This WPT test may be referenced by the following Test IDs:
- /user-timing/structured-serialize-detail.any.html - WPT Dashboard Interop Dashboard
- /user-timing/structured-serialize-detail.any.worker.html - WPT Dashboard Interop Dashboard

test(function() {

  performance.clearMarks();

  const detail = { randomInfo: 123 }

  const markEntry = new PerformanceMark("A", { detail });

  assert_equals(markEntry.detail.randomInfo, detail.randomInfo);

  assert_not_equals(markEntry.detail, detail);

}, "The detail property in the mark constructor should be structured-clone.");

test(function() {

  performance.clearMarks();

  const detail = { randomInfo: 123 }

  const markEntry = performance.mark("A", { detail });

  assert_equals(markEntry.detail.randomInfo, detail.randomInfo);

  assert_not_equals(markEntry.detail, detail);

}, "The detail property in the mark method should be structured-clone.");

test(function() {

  performance.clearMarks();

  const markEntry = performance.mark("A");

  assert_equals(markEntry.detail, null);

}, "When accessing detail from a mark entry and the detail is not provided, just return a null value.");

test(function() {

  performance.clearMarks();

  const detail = { unserializable: Symbol() };

  assert_throws_dom("DataCloneError", ()=>{

    new PerformanceMark("A", { detail });

  }, "Trying to structured-serialize a Symbol.");

}, "Mark: Throw an exception when the detail property cannot be structured-serialized.");

test(function() {

  performance.clearMeasures();

  const detail = { randomInfo: 123 }

  const measureEntry = performance.measure("A", { start: 0, detail });

  assert_equals(measureEntry.detail.randomInfo, detail.randomInfo);

  assert_not_equals(measureEntry.detail, detail);

}, "The detail property in the measure method should be structured-clone.");

test(function() {

  performance.clearMeasures();

  const detail = { randomInfo: 123 }

  const measureEntry = performance.measure("A", { start: 0, detail });

  assert_equals(measureEntry.detail, measureEntry.detail);

}, "The detail property in the measure method should be the same reference.");

test(function() {

  performance.clearMeasures();

  const measureEntry = performance.measure("A");

  assert_equals(measureEntry.detail, null);

}, "When accessing detail from a measure entry and the detail is not provided, just return a null value.");

test(function() {

  performance.clearMeasures();

  const detail = { unserializable: Symbol() };

  assert_throws_dom("DataCloneError", ()=>{

    performance.measure("A", { start: 0, detail });

  }, "Trying to structured-serialize a Symbol.");

}, "Measure: Throw an exception when the detail property cannot be structured-serialized.");

test(function() {

  const bar = { 1: 2 };

  const detail = { foo: 1, bar };

  const mark = performance.mark("m", { detail });

  detail.foo = 2;

  assert_equals(mark.detail.foo, 1);

}, "The detail object is cloned when passed to mark API.");