1 files changed, 470 insertions, 0 deletions
diff --git a/testing/modules/tests/xpcshell/test_assert.js b/testing/modules/tests/xpcshell/test_assert.js
new file mode 100644
index 0000000000..5d0c92e92a
--- /dev/null
+++ b/testing/modules/tests/xpcshell/test_assert.js
@@ -0,0 +1,470 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test cases borrowed and adapted from:
+// https://github.com/joyent/node/blob/6101eb184db77d0b11eb96e48744e57ecce4b73d/test/simple/test-assert.js
+// MIT license: http://opensource.org/licenses/MIT
+
+var { Assert } = ChromeUtils.importESModule(
+  "resource://testing-common/Assert.sys.mjs"
+);
+
+function run_test() {
+  let assert = new Assert();
+
+  function makeBlock(f, ...args) {
+    return function() {
+      return f.apply(assert, args);
+    };
+  }
+
+  function protoCtrChain(o) {
+    let result = [];
+    while ((o = o.__proto__)) {
+      result.push(o.constructor);
+    }
+    return result.join();
+  }
+
+  function indirectInstanceOf(obj, cls) {
+    if (obj instanceof cls) {
+      return true;
+    }
+    let clsChain = protoCtrChain(cls.prototype);
+    let objChain = protoCtrChain(obj);
+    return objChain.slice(-clsChain.length) === clsChain;
+  }
+
+  assert.ok(
+    indirectInstanceOf(Assert.AssertionError.prototype, Error),
+    "Assert.AssertionError instanceof Error"
+  );
+
+  assert.throws(
+    makeBlock(assert.ok, false),
+    Assert.AssertionError,
+    "ok(false)"
+  );
+
+  assert.ok(true, "ok(true)");
+
+  assert.ok("test", "ok('test')");
+
+  assert.throws(
+    makeBlock(assert.equal, true, false),
+    Assert.AssertionError,
+    "equal"
+  );
+
+  assert.equal(null, null, "equal");
+
+  assert.equal(undefined, undefined, "equal");
+
+  assert.equal(null, undefined, "equal");
+
+  assert.equal(true, true, "equal");
+
+  assert.notEqual(true, false, "notEqual");
+
+  assert.throws(
+    makeBlock(assert.notEqual, true, true),
+    Assert.AssertionError,
+    "notEqual"
+  );
+
+  assert.throws(
+    makeBlock(assert.strictEqual, 2, "2"),
+    Assert.AssertionError,
+    "strictEqual"
+  );
+
+  assert.throws(
+    makeBlock(assert.strictEqual, null, undefined),
+    Assert.AssertionError,
+    "strictEqual"
+  );
+
+  assert.notStrictEqual(2, "2", "notStrictEqual");
+
+  // deepEquals joy!
+  // 7.2
+  assert.deepEqual(
+    new Date(2000, 3, 14),
+    new Date(2000, 3, 14),
+    "deepEqual date"
+  );
+  assert.deepEqual(new Date(NaN), new Date(NaN), "deepEqual invalid dates");
+
+  assert.throws(
+    makeBlock(assert.deepEqual, new Date(), new Date(2000, 3, 14)),
+    Assert.AssertionError,
+    "deepEqual date"
+  );
+
+  // 7.3
+  assert.deepEqual(/a/, /a/);
+  assert.deepEqual(/a/g, /a/g);
+  assert.deepEqual(/a/i, /a/i);
+  assert.deepEqual(/a/m, /a/m);
+  assert.deepEqual(/a/gim, /a/gim);
+  assert.throws(makeBlock(assert.deepEqual, /ab/, /a/), Assert.AssertionError);
+  assert.throws(makeBlock(assert.deepEqual, /a/g, /a/), Assert.AssertionError);
+  assert.throws(makeBlock(assert.deepEqual, /a/i, /a/), Assert.AssertionError);
+  assert.throws(makeBlock(assert.deepEqual, /a/m, /a/), Assert.AssertionError);
+  assert.throws(
+    makeBlock(assert.deepEqual, /a/gim, /a/im),
+    Assert.AssertionError
+  );
+
+  let re1 = /a/;
+  re1.lastIndex = 3;
+  assert.throws(makeBlock(assert.deepEqual, re1, /a/), Assert.AssertionError);
+
+  // 7.4
+  assert.deepEqual(4, "4", "deepEqual == check");
+  assert.deepEqual(true, 1, "deepEqual == check");
+  assert.throws(
+    makeBlock(assert.deepEqual, 4, "5"),
+    Assert.AssertionError,
+    "deepEqual == check"
+  );
+
+  // 7.5
+  // having the same number of owned properties && the same set of keys
+  assert.deepEqual({ a: 4 }, { a: 4 });
+  assert.deepEqual({ a: 4, b: "2" }, { a: 4, b: "2" });
+  assert.deepEqual([4], ["4"]);
+  assert.throws(
+    makeBlock(assert.deepEqual, { a: 4 }, { a: 4, b: true }),
+    Assert.AssertionError
+  );
+  assert.deepEqual(["a"], { 0: "a" });
+
+  let a1 = [1, 2, 3];
+  let a2 = [1, 2, 3];
+  a1.a = "test";
+  a1.b = true;
+  a2.b = true;
+  a2.a = "test";
+  assert.throws(
+    makeBlock(assert.deepEqual, Object.keys(a1), Object.keys(a2)),
+    Assert.AssertionError
+  );
+  assert.deepEqual(a1, a2);
+
+  let nbRoot = {
+    toString() {
+      return this.first + " " + this.last;
+    },
+  };
+
+  function nameBuilder(first, last) {
+    this.first = first;
+    this.last = last;
+    return this;
+  }
+  nameBuilder.prototype = nbRoot;
+
+  function nameBuilder2(first, last) {
+    this.first = first;
+    this.last = last;
+    return this;
+  }
+  nameBuilder2.prototype = nbRoot;
+
+  let nb1 = new nameBuilder("Ryan", "Dahl");
+  let nb2 = new nameBuilder2("Ryan", "Dahl");
+
+  assert.deepEqual(nb1, nb2);
+
+  nameBuilder2.prototype = Object;
+  nb2 = new nameBuilder2("Ryan", "Dahl");
+  assert.throws(makeBlock(assert.deepEqual, nb1, nb2), Assert.AssertionError);
+
+  // String literal + object
+  assert.throws(makeBlock(assert.deepEqual, "a", {}), Assert.AssertionError);
+
+  // Testing the throwing
+  function thrower(errorConstructor) {
+    throw new errorConstructor("test");
+  }
+  makeBlock(thrower, Assert.AssertionError);
+  makeBlock(thrower, Assert.AssertionError);
+
+  // the basic calls work
+  assert.throws(
+    makeBlock(thrower, Assert.AssertionError),
+    Assert.AssertionError,
+    "message"
+  );
+  assert.throws(
+    makeBlock(thrower, Assert.AssertionError),
+    Assert.AssertionError
+  );
+  assert.throws(
+    makeBlock(thrower, Assert.AssertionError),
+    Assert.AssertionError
+  );
+
+  // if not passing an error, catch all.
+  assert.throws(makeBlock(thrower, TypeError), TypeError);
+
+  // when passing a type, only catch errors of the appropriate type
+  let threw = false;
+  try {
+    assert.throws(makeBlock(thrower, TypeError), Assert.AssertionError);
+  } catch (e) {
+    threw = true;
+    assert.ok(e instanceof TypeError, "type");
+  }
+  assert.equal(
+    true,
+    threw,
+    "Assert.throws with an explicit error is eating extra errors",
+    Assert.AssertionError
+  );
+  threw = false;
+
+  function ifError(err) {
+    if (err) {
+      throw err;
+    }
+  }
+  assert.throws(function() {
+    ifError(new Error("test error"));
+  }, /test error/);
+
+  // make sure that validating using constructor really works
+  threw = false;
+  try {
+    assert.throws(function() {
+      throw new Error({});
+    }, Array);
+  } catch (e) {
+    threw = true;
+  }
+  assert.ok(threw, "wrong constructor validation");
+
+  // use a RegExp to validate error message
+  assert.throws(makeBlock(thrower, TypeError), /test/);
+
+  // use a fn to validate error object
+  assert.throws(makeBlock(thrower, TypeError), function(err) {
+    if (err instanceof TypeError && /test/.test(err)) {
+      return true;
+    }
+    return false;
+  });
+  // do the same with an arrow function
+  assert.throws(makeBlock(thrower, TypeError), err => {
+    if (err instanceof TypeError && /test/.test(err)) {
+      return true;
+    }
+    return false;
+  });
+
+  function testAssertionMessage(actual, expected) {
+    try {
+      assert.equal(actual, "");
+    } catch (e) {
+      assert.equal(
+        e.toString(),
+        ["AssertionError:", expected, "==", '""'].join(" ")
+      );
+    }
+  }
+  testAssertionMessage(undefined, '"undefined"');
+  testAssertionMessage(null, "null");
+  testAssertionMessage(true, "true");
+  testAssertionMessage(false, "false");
+  testAssertionMessage(0, "0");
+  testAssertionMessage(100, "100");
+  testAssertionMessage(NaN, '"NaN"');
+  testAssertionMessage(Infinity, '"Infinity"');
+  testAssertionMessage(-Infinity, '"-Infinity"');
+  testAssertionMessage("", '""');
+  testAssertionMessage("foo", '"foo"');
+  testAssertionMessage([], "[]");
+  testAssertionMessage([1, 2, 3], "[1,2,3]");
+  testAssertionMessage(/a/, '"/a/"');
+  testAssertionMessage(/abc/gim, '"/abc/gim"');
+  testAssertionMessage(function f() {}, '"function f() {}"');
+  testAssertionMessage({}, "{}");
+  testAssertionMessage({ a: undefined, b: null }, '{"a":"undefined","b":null}');
+  testAssertionMessage(
+    { a: NaN, b: Infinity, c: -Infinity },
+    '{"a":"NaN","b":"Infinity","c":"-Infinity"}'
+  );
+
+  // https://github.com/joyent/node/issues/2893
+  try {
+    assert.throws(function() {
+      ifError(null);
+    });
+  } catch (e) {
+    threw = true;
+    assert.equal(
+      e.message,
+      "Error: The 'expected' argument was not supplied to Assert.throws() - false == true"
+    );
+  }
+  assert.ok(threw);
+
+  // https://github.com/joyent/node/issues/5292
+  try {
+    assert.equal(1, 2);
+  } catch (e) {
+    assert.equal(e.toString().split("\n")[0], "AssertionError: 1 == 2");
+  }
+
+  try {
+    assert.equal(1, 2, "oh no");
+  } catch (e) {
+    assert.equal(e.toString().split("\n")[0], "AssertionError: oh no - 1 == 2");
+  }
+
+  // Need to JSON.stringify so that their length is > 128 characters.
+  let longArray0 = Array.from(Array(50), (v, i) => i);
+  let longArray1 = longArray0.concat([51]);
+  try {
+    assert.deepEqual(longArray0, longArray1);
+  } catch (e) {
+    let message = e.toString();
+    // Just check that they're both entirely present in the message
+    assert.ok(message.includes(JSON.stringify(longArray0)));
+    assert.ok(message.includes(JSON.stringify(longArray1)));
+  }
+
+  // Test XPCShell-test integration:
+  ok(true, "OK, this went well");
+  deepEqual(/a/g, /a/g, "deep equal should work on RegExp");
+  deepEqual(/a/gim, /a/gim, "deep equal should work on RegExp");
+  deepEqual(
+    { a: 4, b: "1" },
+    { b: "1", a: 4 },
+    "deep equal should work on regular Object"
+  );
+  deepEqual(a1, a2, "deep equal should work on Array with Object properties");
+
+  // Test robustness of reporting:
+  equal(
+    new Assert.AssertionError({
+      actual: {
+        toJSON() {
+          throw new Error("bam!");
+        },
+      },
+      expected: "foo",
+      operator: "=",
+    }).message,
+    '[object Object] = "foo"'
+  );
+
+  let message;
+  assert.greater(3, 2);
+  try {
+    assert.greater(2, 2);
+  } catch (e) {
+    message = e.toString().split("\n")[0];
+  }
+  assert.equal(message, "AssertionError: 2 > 2");
+
+  assert.greaterOrEqual(2, 2);
+  try {
+    assert.greaterOrEqual(1, 2);
+  } catch (e) {
+    message = e.toString().split("\n")[0];
+  }
+  assert.equal(message, "AssertionError: 1 >= 2");
+
+  assert.less(1, 2);
+  try {
+    assert.less(2, 2);
+  } catch (e) {
+    message = e.toString().split("\n")[0];
+  }
+  assert.equal(message, "AssertionError: 2 < 2");
+
+  assert.lessOrEqual(2, 2);
+  try {
+    assert.lessOrEqual(2, 1);
+  } catch (e) {
+    message = e.toString().split("\n")[0];
+  }
+  assert.equal(message, "AssertionError: 2 <= 1");
+
+  try {
+    assert.greater(NaN, 0);
+  } catch (e) {
+    message = e.toString().split("\n")[0];
+  }
+  assert.equal(message, "AssertionError: 'NaN' is not a number");
+
+  try {
+    assert.greater(0, NaN);
+  } catch (e) {
+    message = e.toString().split("\n")[0];
+  }
+  assert.equal(message, "AssertionError: 'NaN' is not a number");
+
+  /* ---- stringMatches ---- */
+  assert.stringMatches("hello world", /llo\s/);
+  assert.stringMatches("hello world", "llo\\s");
+  assert.throws(
+    () => assert.stringMatches("hello world", /foo/),
+    /^AssertionError: "hello world" matches "\/foo\/"/
+  );
+  assert.throws(
+    () => assert.stringMatches(5, /foo/),
+    /^AssertionError: Expected a string for lhs, but "5" isn't a string./
+  );
+  assert.throws(
+    () => assert.stringMatches("foo bar", "+"),
+    /^AssertionError: Expected a valid regular expression for rhs, but "\+" isn't one./
+  );
+
+  /* ---- stringContains ---- */
+  assert.stringContains("hello world", "llo");
+  assert.throws(
+    () => assert.stringContains(5, "foo"),
+    /^AssertionError: Expected a string for both lhs and rhs, but either "5" or "foo" is not a string./
+  );
+
+  run_next_test();
+}
+
+add_task(async function test_rejects() {
+  let assert = new Assert();
+
+  // A helper function to test failures.
+  async function checkRejectsFails(err, expected) {
+    try {
+      await assert.rejects(Promise.reject(err), expected);
+      ok(false, "should have thrown");
+    } catch (ex) {
+      deepEqual(ex, err, "Assert.rejects threw the original unexpected error");
+    }
+  }
+
+  // A "throwable" error that's not an actual Error().
+  let SomeErrorLikeThing = function() {};
+
+  // The actual tests...
+
+  // An explicit error object:
+  // An instance to check against.
+  await assert.rejects(Promise.reject(new Error("oh no")), Error, "rejected");
+  // A regex to match against the message.
+  await assert.rejects(Promise.reject(new Error("oh no")), /oh no/, "rejected");
+
+  // Failure cases:
+  // An instance to check against that doesn't match.
+  await checkRejectsFails(new Error("something else"), SomeErrorLikeThing);
+  // A regex that doesn't match.
+  await checkRejectsFails(new Error("something else"), /oh no/);
+
+  // Check simple string messages.
+  await assert.rejects(Promise.reject("oh no"), /oh no/, "rejected");
+  // Wrong message.
+  await checkRejectsFails("something else", /oh no/);
+});