1 files changed, 256 insertions, 0 deletions
diff --git a/remote/cdp/test/browser/runtime/browser_evaluate.js b/remote/cdp/test/browser/runtime/browser_evaluate.js
new file mode 100644
index 0000000000..c5e1965883
--- /dev/null
+++ b/remote/cdp/test/browser/runtime/browser_evaluate.js
@@ -0,0 +1,256 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_DOC = toDataURL("default-test-page");
+
+add_task(async function contextIdInvalidValue({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  let errorThrown = "";
+  try {
+    await Runtime.evaluate({ expression: "", contextId: -1 });
+  } catch (e) {
+    errorThrown = e.message;
+  }
+  ok(errorThrown.includes("Cannot find context with specified id"));
+});
+
+add_task(async function contextIdNotSpecified({ client }) {
+  const { Runtime } = client;
+
+  await loadURL(TEST_DOC);
+  await enableRuntime(client);
+
+  const { result } = await Runtime.evaluate({ expression: "location.href" });
+  is(result.value, TEST_DOC, "Works against the current document");
+});
+
+add_task(async function contextIdSpecified({ client }) {
+  const { Runtime } = client;
+
+  await loadURL(TEST_DOC);
+  const { id: contextId } = await enableRuntime(client);
+
+  const { result } = await Runtime.evaluate({
+    expression: "location.href",
+    contextId,
+  });
+  is(result.value, TEST_DOC, "Works against the targetted document");
+});
+
+add_task(async function returnAsObjectTypes({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  const expressions = [
+    { expression: "({foo:true})", type: "object", subtype: undefined },
+    { expression: "Symbol('foo')", type: "symbol", subtype: undefined },
+    { expression: "new Promise(()=>{})", type: "object", subtype: "promise" },
+    { expression: "new Int8Array(8)", type: "object", subtype: "typedarray" },
+    { expression: "new WeakMap()", type: "object", subtype: "weakmap" },
+    { expression: "new WeakSet()", type: "object", subtype: "weakset" },
+    { expression: "new Map()", type: "object", subtype: "map" },
+    { expression: "new Set()", type: "object", subtype: "set" },
+    { expression: "/foo/", type: "object", subtype: "regexp" },
+    { expression: "[1, 2]", type: "object", subtype: "array" },
+    { expression: "new Proxy({}, {})", type: "object", subtype: "proxy" },
+    { expression: "new Date()", type: "object", subtype: "date" },
+    {
+      expression: "document",
+      type: "object",
+      subtype: "node",
+      className: "HTMLDocument",
+      description: "#document",
+    },
+    {
+      expression: `(() => {{
+        const div = document.createElement('div');
+        div.id = "foo";
+        return div;
+      }})()`,
+      type: "object",
+      subtype: "node",
+      className: "HTMLDivElement",
+      description: "div#foo",
+    },
+  ];
+
+  for (const entry of expressions) {
+    const { expression, type, subtype, className, description } = entry;
+
+    const { result } = await Runtime.evaluate({ expression });
+
+    is(result.type, type, "The type is correct");
+    is(result.subtype, subtype, "The subtype is correct");
+    ok(!!result.objectId, "Got an object id");
+    if (className) {
+      is(result.className, className, "The className is correct");
+    }
+    if (description) {
+      is(result.description, description, "The description is correct");
+    }
+  }
+});
+
+add_task(async function returnAsObjectDifferentObjectIds({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  const expressions = [{}, "document"];
+  for (const expression of expressions) {
+    const { result: result1 } = await Runtime.evaluate({
+      expression: JSON.stringify(expression),
+    });
+    const { result: result2 } = await Runtime.evaluate({
+      expression: JSON.stringify(expression),
+    });
+    is(
+      result1.objectId,
+      result2.objectId,
+      `Different object ids returned for ${expression}`
+    );
+  }
+});
+
+add_task(async function returnAsObjectPrimitiveTypes({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  const expressions = [42, "42", true, 4.2];
+  for (const expression of expressions) {
+    const { result } = await Runtime.evaluate({
+      expression: JSON.stringify(expression),
+    });
+    is(result.value, expression, `Evaluating primitive '${expression}' works`);
+    is(result.type, typeof expression, `${expression} type is correct`);
+  }
+});
+
+add_task(async function returnAsObjectNotSerializable({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  const notSerializableNumbers = {
+    number: ["-0", "NaN", "Infinity", "-Infinity"],
+    bigint: ["42n"],
+  };
+
+  for (const type in notSerializableNumbers) {
+    for (const expression of notSerializableNumbers[type]) {
+      const { result } = await Runtime.evaluate({ expression });
+      Assert.deepEqual(
+        result,
+        {
+          type,
+          unserializableValue: expression,
+          description: expression,
+        },
+        `Evaluating unserializable '${expression}' works`
+      );
+    }
+  }
+});
+
+// `null` is special as it has its own subtype, is of type 'object'
+// but is returned as a value, without an `objectId` attribute
+add_task(async function returnAsObjectNull({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  const { result } = await Runtime.evaluate({
+    expression: "null",
+  });
+  Assert.deepEqual(
+    result,
+    {
+      type: "object",
+      subtype: "null",
+      value: null,
+    },
+    "Null type is correct"
+  );
+});
+
+// undefined doesn't work with JSON.stringify, so test it independently
+add_task(async function returnAsObjectUndefined({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  const { result } = await Runtime.evaluate({
+    expression: "undefined",
+  });
+  Assert.deepEqual(
+    result,
+    {
+      type: "undefined",
+    },
+    "Undefined type is correct"
+  );
+});
+
+add_task(async function exceptionDetailsJavascriptError({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  const { exceptionDetails } = await Runtime.evaluate({
+    expression: "doesNotExists()",
+  });
+
+  Assert.deepEqual(
+    exceptionDetails,
+    {
+      text: "doesNotExists is not defined",
+    },
+    "Javascript error is passed to the client"
+  );
+});
+
+add_task(async function exceptionDetailsThrowError({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  const { exceptionDetails } = await Runtime.evaluate({
+    expression: "throw new Error('foo')",
+  });
+
+  Assert.deepEqual(
+    exceptionDetails,
+    {
+      text: "foo",
+    },
+    "Exception details are passed to the client"
+  );
+});
+
+add_task(async function exceptionDetailsThrowValue({ client }) {
+  const { Runtime } = client;
+
+  await enableRuntime(client);
+
+  const { exceptionDetails } = await Runtime.evaluate({
+    expression: "throw 'foo'",
+  });
+
+  Assert.deepEqual(
+    exceptionDetails,
+    {
+      exception: {
+        type: "string",
+        value: "foo",
+      },
+    },
+    "Exception details are passed as a RemoteObject"
+  );
+});