Extra test for RegExp replace with Sticky flag

test/built-ins/String/prototype/replaceAll/searchValue-replacer-RegExp-call.js

@@ -0,0 +1,62 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-string.prototype.replaceall
+description: >
+  A RegExp searchValue's Symbol.replace can be called instead of the next steps of replaceAll
+info: |
+  String.prototype.replaceAll ( searchValue, replaceValue )
+
+  1. Let O be RequireObjectCoercible(this value).
+  2. If searchValue is neither undefined nor null, then
+    a. Let isRegExp be ? IsRegExp(searchString).
+    b. If isRegExp is true, then
+      i. Let flags be ? Get(searchValue, "flags").
+      ii. Perform ? RequireObjectCoercible(flags).
+      iii. If ? ToString(flags) does not contain "g", throw a TypeError exception.
+    c. Let replacer be ? GetMethod(searchValue, @@replace).
+    d. If replacer is not undefined, then
+      i. Return ? Call(replacer, searchValue, « O, replaceValue »).
+  3. Let string be ? ToString(O).
+  4. Let searchString be ? ToString(searchValue).
+  ...
+features: [String.prototype.replaceAll, Symbol.replace, class]
+---*/
+
+let called = 0;
+
+class RE extends RegExp {
+  [Symbol.replace](...args) {
+    const actual = super[Symbol.replace](...args);
+
+    // Ordering is intentional to observe call from super
+    called += 1;
+    return actual;
+  }
+
+  toString() {
+    throw 'Should not call toString on searchValue';
+  }
+}
+
+const samples = [
+  [ ['b', 'g'], 'abc abc abc', 'z', 'azc azc azc' ],
+  [ ['b', 'gy'], 'abc abc abc', 'z', 'abc abc abc' ],
+  [ ['b', 'giy'], 'abc abc abc', 'z', 'abc abc abc' ],
+  [ ['[A-Z]', 'g'], 'No Uppercase!', '', 'o ppercase!'],
+  [ ['[A-Z]', 'gy'], 'No Uppercase?', '', 'o Uppercase?'],
+  [ ['[A-Z]', 'gy'], 'NO UPPERCASE!', '', ' UPPERCASE!'],
+];
+
+let count = 0;
+for (const [ reArgs, thisValue, replaceValue, expected ] of samples) {
+  const searchValue = new RE(...reArgs);
+
+  called = 0;
+  const actual = thisValue.replaceAll(searchValue, replaceValue);
+
+  assert.sameValue(called, 1, `sample ${count}`);
+  assert.sameValue(actual, expected, `sample ${count}`);
+  count += 1;
+}