11cb0ef41Sopenharmony_citest(function() {
21cb0ef41Sopenharmony_ci  performance.clearMarks();
31cb0ef41Sopenharmony_ci  const detail = { randomInfo: 123 }
41cb0ef41Sopenharmony_ci  const markEntry = new PerformanceMark("A", { detail });
51cb0ef41Sopenharmony_ci  assert_equals(markEntry.detail.randomInfo, detail.randomInfo);
61cb0ef41Sopenharmony_ci  assert_not_equals(markEntry.detail, detail);
71cb0ef41Sopenharmony_ci}, "The detail property in the mark constructor should be structured-clone.");
81cb0ef41Sopenharmony_ci
91cb0ef41Sopenharmony_citest(function() {
101cb0ef41Sopenharmony_ci  performance.clearMarks();
111cb0ef41Sopenharmony_ci  const detail = { randomInfo: 123 }
121cb0ef41Sopenharmony_ci  const markEntry = performance.mark("A", { detail });
131cb0ef41Sopenharmony_ci  assert_equals(markEntry.detail.randomInfo, detail.randomInfo);
141cb0ef41Sopenharmony_ci  assert_not_equals(markEntry.detail, detail);
151cb0ef41Sopenharmony_ci}, "The detail property in the mark method should be structured-clone.");
161cb0ef41Sopenharmony_ci
171cb0ef41Sopenharmony_citest(function() {
181cb0ef41Sopenharmony_ci  performance.clearMarks();
191cb0ef41Sopenharmony_ci  const markEntry = performance.mark("A");
201cb0ef41Sopenharmony_ci  assert_equals(markEntry.detail, null);
211cb0ef41Sopenharmony_ci}, "When accessing detail from a mark entry and the detail is not provided, just return a null value.");
221cb0ef41Sopenharmony_ci
231cb0ef41Sopenharmony_citest(function() {
241cb0ef41Sopenharmony_ci  performance.clearMarks();
251cb0ef41Sopenharmony_ci  const detail = { unserializable: Symbol() };
261cb0ef41Sopenharmony_ci  assert_throws_dom("DataCloneError", ()=>{
271cb0ef41Sopenharmony_ci    new PerformanceMark("A", { detail });
281cb0ef41Sopenharmony_ci  }, "Trying to structured-serialize a Symbol.");
291cb0ef41Sopenharmony_ci}, "Mark: Throw an exception when the detail property cannot be structured-serialized.");
301cb0ef41Sopenharmony_ci
311cb0ef41Sopenharmony_citest(function() {
321cb0ef41Sopenharmony_ci  performance.clearMeasures();
331cb0ef41Sopenharmony_ci  const detail = { randomInfo: 123 }
341cb0ef41Sopenharmony_ci  const measureEntry = performance.measure("A", { start: 0, detail });
351cb0ef41Sopenharmony_ci  assert_equals(measureEntry.detail.randomInfo, detail.randomInfo);
361cb0ef41Sopenharmony_ci  assert_not_equals(measureEntry.detail, detail);
371cb0ef41Sopenharmony_ci}, "The detail property in the measure method should be structured-clone.");
381cb0ef41Sopenharmony_ci
391cb0ef41Sopenharmony_citest(function() {
401cb0ef41Sopenharmony_ci  performance.clearMeasures();
411cb0ef41Sopenharmony_ci  const detail = { randomInfo: 123 }
421cb0ef41Sopenharmony_ci  const measureEntry = performance.measure("A", { start: 0, detail });
431cb0ef41Sopenharmony_ci  assert_equals(measureEntry.detail, measureEntry.detail);
441cb0ef41Sopenharmony_ci}, "The detail property in the measure method should be the same reference.");
451cb0ef41Sopenharmony_ci
461cb0ef41Sopenharmony_citest(function() {
471cb0ef41Sopenharmony_ci  performance.clearMeasures();
481cb0ef41Sopenharmony_ci  const measureEntry = performance.measure("A");
491cb0ef41Sopenharmony_ci  assert_equals(measureEntry.detail, null);
501cb0ef41Sopenharmony_ci}, "When accessing detail from a measure entry and the detail is not provided, just return a null value.");
511cb0ef41Sopenharmony_ci
521cb0ef41Sopenharmony_citest(function() {
531cb0ef41Sopenharmony_ci  performance.clearMeasures();
541cb0ef41Sopenharmony_ci  const detail = { unserializable: Symbol() };
551cb0ef41Sopenharmony_ci  assert_throws_dom("DataCloneError", ()=>{
561cb0ef41Sopenharmony_ci    performance.measure("A", { start: 0, detail });
571cb0ef41Sopenharmony_ci  }, "Trying to structured-serialize a Symbol.");
581cb0ef41Sopenharmony_ci}, "Measure: Throw an exception when the detail property cannot be structured-serialized.");
591cb0ef41Sopenharmony_ci
601cb0ef41Sopenharmony_citest(function() {
611cb0ef41Sopenharmony_ci  const bar = { 1: 2 };
621cb0ef41Sopenharmony_ci  const detail = { foo: 1, bar };
631cb0ef41Sopenharmony_ci  const mark = performance.mark("m", { detail });
641cb0ef41Sopenharmony_ci  detail.foo = 2;
651cb0ef41Sopenharmony_ci  assert_equals(mark.detail.foo, 1);
661cb0ef41Sopenharmony_ci}, "The detail object is cloned when passed to mark API.");
67