test: port flaky wpt/html/webappapis/timers tests to test/sequential

test/fixtures/wpt/README.md

@@ -21,7 +21,6 @@ Last update:
 - html/webappapis/atob: https://github.com/web-platform-tests/wpt/tree/f267e1dca6/html/webappapis/atob
 - html/webappapis/microtask-queuing: https://github.com/web-platform-tests/wpt/tree/2c5c3c4c27/html/webappapis/microtask-queuing
 - html/webappapis/structured-clone: https://github.com/web-platform-tests/wpt/tree/47d3fb280c/html/webappapis/structured-clone
-- html/webappapis/timers: https://github.com/web-platform-tests/wpt/tree/5873f2d8f1/html/webappapis/timers
 - interfaces: https://github.com/web-platform-tests/wpt/tree/df731dab88/interfaces
 - performance-timeline: https://github.com/web-platform-tests/wpt/tree/17ebc3aea0/performance-timeline
 - resource-timing: https://github.com/web-platform-tests/wpt/tree/22d38586d0/resource-timing

test/fixtures/wpt/versions.json

@@ -43,10 +43,6 @@
     "commit": "47d3fb280c9c632e684dee3b78ae1f4c5d5ba640",
     "path": "html/webappapis/structured-clone"
   },
-  "html/webappapis/timers": {
-    "commit": "5873f2d8f1f7bbb9c64689e52d04498614632906",
-    "path": "html/webappapis/timers"
-  },
   "interfaces": {
     "commit": "df731dab88a1a25c04eb7e6238c11dc28fda0801",
     "path": "interfaces"

test/sequential/test-timers-clearinterval-from-callback.js

@@ -0,0 +1,19 @@
+'use strict';
+
+const common = require('../common');
+
+// This is a port of https://github.com/web-platform-tests/wpt/blob/22ecfc9/html/webappapis/timers/clearinterval-from-callback.any.js
+
+let wasPreviouslyCalled = false;
+
+const handle = setInterval(() => {
+  if (!wasPreviouslyCalled) {
+    wasPreviouslyCalled = true;
+
+    clearInterval(handle);
+
+    setInterval(process.exit, 750);
+  } else {
+    common.mustNotCall()();
+  }
+}, 500);

test/sequential/test-timers-cleartimeout-clearinterval.js

@@ -0,0 +1,17 @@
+'use strict';
+
+const common = require('../common');
+
+// This is a port of https://github.com/web-platform-tests/wpt/blob/22ecfc9/html/webappapis/timers/cleartimeout-cleartinterval.any.js
+
+{
+  const handle = setTimeout(common.mustNotCall(), 0);
+  clearInterval(handle);
+}
+
+{
+  const handle = setInterval(common.mustNotCall(), 0);
+  clearTimeout(handle);
+}
+
+setTimeout(process.exit, 100);

test/sequential/test-timers-missing-timeout-setinterval.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const common = require('../common');
+
+// This is a port of https://github.com/web-platform-tests/wpt/blob/22ecfc9/html/webappapis/timers/missing-timeout-setinterval.any.js
+
+// Calling setInterval with no interval should be the same as if called with 0 interval
+{
+  let ctr = 0;
+  let doneHandle;
+  // eslint-disable-next-line no-restricted-syntax
+  const handle = setInterval(() => {
+    if (++ctr === 2) {
+      clearInterval(handle);
+      clearTimeout(doneHandle);
+    }
+  }/* no interval */);
+
+  doneHandle = setTimeout(common.mustNotCall(), 100);
+}
+
+// Calling setInterval with undefined interval should be the same as if called with 0 interval
+{
+  let ctr = 0;
+  let doneHandle;
+  const handle = setInterval(() => {
+    if (++ctr === 2) {
+      clearInterval(handle);
+      clearTimeout(doneHandle);
+    }
+  }, undefined);
+
+  doneHandle = setTimeout(common.mustNotCall(), 100);
+}

test/sequential/test-timers-negative-setinterval.js

@@ -0,0 +1,17 @@
+'use strict';
+
+const common = require('../common');
+
+// This is a port of https://github.com/web-platform-tests/wpt/blob/22ecfc9/html/webappapis/timers/negative-setinterval.any.js
+
+let i = 0;
+let interval;
+function next() {
+  i++;
+  if (i === 20) {
+    clearInterval(interval);
+    process.exit();
+  }
+}
+setTimeout(common.mustNotCall(), 1000);
+interval = setInterval(next, -100);

test/sequential/test-timers-negative-settimeout.js

@@ -0,0 +1,8 @@
+'use strict';
+
+const common = require('../common');
+
+// This is a port of https://github.com/web-platform-tests/wpt/blob/22ecfc9/html/webappapis/timers/negative-settimeout.any.js
+
+setTimeout(process.exit, -100);
+setTimeout(common.mustNotCall(), 10);

test/sequential/test-timers-type-long-setinterval.js

@@ -0,0 +1,8 @@
+'use strict';
+
+const common = require('../common');
+
+// This is a port of https://github.com/web-platform-tests/wpt/blob/22ecfc9/html/webappapis/timers/type-long-setinterval.any.js
+
+setInterval(process.exit, Math.pow(2, 32));
+setTimeout(common.mustNotCall(), 100);

test/sequential/test-timers-type-long-settimeout.js

@@ -0,0 +1,8 @@
+'use strict';
+
+const common = require('../common');
+
+// This is a port of https://github.com/web-platform-tests/wpt/blob/22ecfc9/html/webappapis/timers/type-long-settimeout.any.js
+
+setTimeout(process.exit, Math.pow(2, 32));
+setTimeout(common.mustNotCall(), 100);