diff --git a/compute-pressure/README.md b/compute-pressure/README.md
new file mode 100644
index 00000000000000..9766bb075f3618
--- /dev/null
+++ b/compute-pressure/README.md
@@ -0,0 +1,2 @@
+This directory contains (tentative) tests for the
+[Compute Pressure](https://oyiptong.github.io/compute-pressure/) specification.
diff --git a/compute-pressure/compute_pressure.tentative.https.window.js b/compute-pressure/compute_pressure.tentative.https.window.js
new file mode 100644
index 00000000000000..4234d60a15d3f6
--- /dev/null
+++ b/compute-pressure/compute_pressure.tentative.https.window.js
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+// META: script=/resources/testdriver.js
+// META: script=/resources/testdriver-vendor.js
+// META: script=resources/utils.js
+
+'use strict';
+
+compute_pressure_test(async t => {
+  const obs = await navigator.deviceCompute.query();
+  await new Promise(resolve => {
+    obs.addEventListener('update', event => {
+      assert_true((typeof event.cpuUtilization == 'number'));
+      assert_true((typeof event.cpuSpeedLimit == 'number'));
+      assert_greater_than_equal(
+          event.cpuUtilization, 0,
+          'CPU Utilization is greater or equal to zero');
+      assert_greater_than_equal(
+          event.cpuSpeedLimit, 0,
+          'CPU Utilization is greater or equal to zero');
+      resolve();
+    });
+  });
+}, 'query(): returns an EventTarget that fires an "update" event with CPU data');
diff --git a/compute-pressure/resources/utils.js b/compute-pressure/resources/utils.js
new file mode 100644
index 00000000000000..178a9c7582c2f0
--- /dev/null
+++ b/compute-pressure/resources/utils.js
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+'use strict';
+
+function isPlatformSupported() {
+  if (navigator.platform.indexOf('Android') != -1 ||
+      navigator.platform.indexOf('Linux') != -1) {
+    return true;
+  }
+  return false;
+}
+
+function compute_pressure_test(test_function, name, properties) {
+  return promise_test(async (t) => {
+    if (!isPlatformSupported()) {
+      await promise_rejects_dom(
+          t, 'NotSupportedError', navigator.deviceCompute.query());
+      return;
+    }
+    await test_function(t, name, properties);
+  });
+}