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diff --git a/devtools/shared/webconsole/test/test_page_errors.html b/devtools/shared/webconsole/test/test_page_errors.html
new file mode 100644
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+++ b/devtools/shared/webconsole/test/test_page_errors.html
@@ -0,0 +1,186 @@
+<!DOCTYPE HTML>
+<html lang="en">
+<head>
+  <meta charset="utf8">
+  <title>Test for page errors</title>
+  <script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript;version=1.8" src="common.js"></script>
+  <!-- Any copyright is dedicated to the Public Domain.
+     - http://creativecommons.org/publicdomain/zero/1.0/ -->
+</head>
+<body>
+<p>Test for page errors</p>
+
+<script class="testbody" type="text/javascript;version=1.8">
+SimpleTest.waitForExplicitFinish();
+
+let expectedPageErrors = [];
+
+function doPageErrors()
+{
+  expectedPageErrors = {
+    "document.body.style.color = 'fooColor';": {
+      errorMessage: /fooColor/,
+      errorMessageName: undefined,
+      sourceName: /test_page_errors/,
+      category: "CSS Parser",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: true,
+      exception: false,
+      strict: false,
+    },
+   "document.doTheImpossible();": {
+      errorMessage: /doTheImpossible/,
+      errorMessageName: undefined,
+      sourceName: /test_page_errors/,
+      category: "chrome javascript",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: false,
+      exception: true,
+      strict: false,
+    },
+    "(42).toString(0);": {
+      errorMessage: /radix/,
+      errorMessageName: "JSMSG_BAD_RADIX",
+      sourceName: /test_page_errors/,
+      category: "chrome javascript",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: false,
+      exception: true,
+      strict: false,
+    },
+     "'use strict'; (Object.freeze({name: 'Elsa', score: 157})).score = 0;": {
+      errorMessage: /read.only/,
+      errorMessageName: "JSMSG_READ_ONLY",
+      sourceName: /test_page_errors/,
+      category: "chrome javascript",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: false,
+      exception: true,
+    },
+     "([]).length = -1": {
+      errorMessage: /array length/,
+      errorMessageName: "JSMSG_BAD_ARRAY_LENGTH",
+      sourceName: /test_page_errors/,
+      category: "chrome javascript",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: false,
+      exception: true,
+    },
+     "'abc'.repeat(-1);": {
+      errorMessage: /repeat count.*non-negative/,
+      errorMessageName: "JSMSG_NEGATIVE_REPETITION_COUNT",
+      sourceName: /test_page_errors/,
+      category: "chrome javascript",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: false,
+      exception: true,
+    },
+    "'a'.repeat(2e28);": {
+      errorMessage: /repeat count.*less than infinity/,
+      errorMessageName: "JSMSG_RESULTING_STRING_TOO_LARGE",
+      sourceName: /test_page_errors/,
+      category: "chrome javascript",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: false,
+      exception: true,
+    },
+    "77.1234.toExponential(-1);": {
+      errorMessage: /out of range/,
+      errorMessageName: "JSMSG_PRECISION_RANGE",
+      sourceName: /test_page_errors/,
+      category: "chrome javascript",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: false,
+      exception: true,
+    },
+    "var f = Function('x y', 'return x + y;');": {
+      errorMessage: /malformed formal/,
+      errorMessageName: "JSMSG_BAD_FORMAL",
+      sourceName: /test_page_errors/,
+      category: "chrome javascript",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: false,
+      exception: true,
+    },
+    "function a() { return; 1 + 1; }": {
+      errorMessage: /unreachable code/,
+      errorMessageName: "JSMSG_STMT_AFTER_RETURN",
+      sourceName: /test_page_errors/,
+      category: "chrome javascript",
+      timeStamp: /^\d+$/,
+      error: false,
+      warning: true,
+      exception: false,
+    },
+  };
+
+  let container = document.createElement("script");
+  for (let stmt of Object.keys(expectedPageErrors)) {
+      if (expectedPageErrors[stmt].exception) {
+          SimpleTest.expectUncaughtException();
+      }
+      info("starting stmt: " + stmt);
+      container = document.createElement("script");
+      document.body.appendChild(container);
+      container.textContent = stmt;
+      document.body.removeChild(container);
+      info("ending stmt: " + stmt);
+  }
+}
+
+function startTest()
+{
+  removeEventListener("load", startTest);
+
+  attachConsole(["PageError"], onAttach);
+}
+
+function onAttach(aState, aResponse)
+{
+  onPageError = onPageError.bind(null, aState);
+  aState.dbgClient.addListener("pageError", onPageError);
+  doPageErrors();
+}
+
+let pageErrors = [];
+
+function onPageError(aState, aType, aPacket)
+{
+  if (!aPacket.pageError.sourceName.includes("test_page_errors")) {
+    info("Ignoring error from unknown source: " + aPacket.pageError.sourceName);
+    return;
+  }
+
+  is(aPacket.from, aState.actor, "page error actor");
+
+  pageErrors.push(aPacket.pageError);
+  if (pageErrors.length != Object.keys(expectedPageErrors).length) {
+    return;
+  }
+
+  aState.dbgClient.removeListener("pageError", onPageError);
+
+  Object.values(expectedPageErrors).forEach(function(aMessage, aIndex) {
+    info("checking received page error #" + aIndex);
+    checkObject(pageErrors[aIndex], Object.values(expectedPageErrors)[aIndex]);
+  });
+
+  closeDebugger(aState, function() {
+    SimpleTest.finish();
+  });
+}
+
+addEventListener("load", startTest);
+</script>
+</body>
+</html>