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Unified Diff: test/intl/bad-target.js

Issue 2623683002: [intl] Remove redundant type checking system (Closed)
Patch Set: Created 3 years, 11 months ago
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Index: test/intl/bad-target.js
diff --git a/test/intl/bad-target.js b/test/intl/bad-target.js
new file mode 100644
index 0000000000000000000000000000000000000000..7b7cbe9b5dd24268fadaa509af78cc1cc935b7e1
--- /dev/null
+++ b/test/intl/bad-target.js
@@ -0,0 +1,39 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Calling Intl methods with a bad receiver throws a TypeError
+
+// An uninitialized object of the same type
+assertThrows(() => Object.create(Intl.DateTimeFormat.prototype).format(),
+ TypeError);
+assertThrows(() => Object.create(Intl.NumberFormat.prototype).format(),
+ TypeError);
+assertThrows(() => Object.create(Intl.Collator.prototype).compare(),
+ TypeError);
+assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).adoptText(),
+ TypeError);
+assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).first(),
+ TypeError);
+assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).next(),
+ TypeError);
+assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).current(),
+ TypeError);
+assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).breakType(),
+ TypeError);
+
+// Or similarly, just accessing the method getter on the prototype
+assertThrows(() => Intl.DateTimeFormat.prototype.format, TypeError);
+assertThrows(() => Intl.NumberFormat.prototype.format, TypeError);
+assertThrows(() => Intl.Collator.prototype.compare, TypeError);
+assertThrows(() => Intl.v8BreakIterator.prototype.adoptText, TypeError);
+assertThrows(() => Intl.v8BreakIterator.prototype.first, TypeError);
+assertThrows(() => Intl.v8BreakIterator.prototype.next, TypeError);
+assertThrows(() => Intl.v8BreakIterator.prototype.current, TypeError);
+assertThrows(() => Intl.v8BreakIterator.prototype.breakType, TypeError);
+
+// The method .call'd on a different instance will have that
+// other instance benignly ignored, since it's a bound function
+let nf = Intl.NumberFormat();
+let df = Intl.DateTimeFormat();
+assertEquals("0", nf.format.call(df, 0));
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