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// 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.
//
// In sloppy mode we allow function redeclarations within blocks for webcompat.
(function() {
assertEquals(undefined, f); // Annex B
if (true) {
assertEquals(2, f());
function f() { return 1 }
assertEquals(2, f());
function f() { return 2 }
assertEquals(2, f());
}
assertEquals(2, f()); // Annex B
})();
// Should still fail in strict mode
assertThrows(`
(function() {
"use strict";
if (true) {
function f() { return 1 }
function f() { return 2 }
}
})();
`, SyntaxError);
// Conflicts between let and function still throw
assertThrows(`
(function() {
if (true) {
let f;
function f() { return 2 }
}
})();
`, SyntaxError);
assertThrows(`
(function() {
if (true) {
function f() { return 2 }
let f;
}
})();
`, SyntaxError);
// Conflicts between const and function still throw
assertThrows(`
(function() {
if (true) {
const f;
function f() { return 2 }
}
})();
`, SyntaxError);
assertThrows(`
(function() {
if (true) {
function f() { return 2 }
const f;
}
})();
`, SyntaxError);
// Annex B redefinition semantics still apply with more blocks
(function() {
assertEquals(undefined, f); // Annex B
if (true) {
assertEquals(undefined, f);
{ function f() { return 1 } }
assertEquals(1, f());
{ function f() { return 2 } }
assertEquals(2, f());
}
assertEquals(2, f()); // Annex B
})();
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