v8/test/mjsunit/harmony/optional-catch-binding.js

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// Copyright 2017 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.
let state = 'initial';
try {
throw new Error('caught');
state = 'unreachable';
} catch { // Note the lack of a binding
assertEquals(state, 'initial');
state = 'caught';
}
assertEquals(state, 'caught');
let sigil1 = {};
try {
throw sigil1;
} catch (e) {
assertEquals(e, sigil1);
}
let sigil2 = {};
let reached = false;
try {
try {
throw sigil1;
} catch {
reached = true;
} finally {
throw sigil2;
}
} catch (e) {
assertEquals(e, sigil2);
}
assertTrue(reached);