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// Copyright 2011 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Test that we throw early syntax errors in harmony mode
// when using an immutable binding in an assigment or with
// prefix/postfix decrement/increment operators.
// Optimization stress is not useful for early syntax errors.
// Flags: --nostress-opt --noalways-opt
"use strict";
const decls = [
// Const declaration.
function(use) { return "const c = 1; " + use + ";" }, TypeError,
function(use) { return "const x = 0, c = 1; " + use + ";" }, TypeError,
function(use) { return "const c = 1, x = (" + use + ");" }, TypeError,
function(use) { return use + "; const c = 1;" }, ReferenceError,
function(use) { return use + "; const x = 0, c = 1;" }, ReferenceError,
function(use) { return "const x = (" + use + "), c = 1;" }, ReferenceError,
function(use) { return "const c = (" + use + ");" }, ReferenceError,
// Function expression.
function(use) { return "(function c() { " + use + "; })();"; }, TypeError,
// TODO(rossberg): Once we have default parameters, test using 'c' there.
// Class expression.
function(use) {
return "new class c { constructor() { " + use + " } };";
}, TypeError,
function(use) {
return "(new class c { m() { " + use + " } }).m();";
}, TypeError,
function(use) {
return "(new class c { get a() { " + use + " } }).a;";
}, TypeError,
function(use) {
return "(new class c { set a(x) { " + use + " } }).a = 0;";
}, TypeError,
function(use) {
return "(class c { static m() { " + use + " } }).s();";
}, TypeError,
function(use) {
return "(class c extends (" + use + ") {});";
}, ReferenceError,
function(use) {
return "(class c { [" + use + "]() {} });";
}, ReferenceError,
function(use) {
return "(class c { get [" + use + "]() {} });";
}, ReferenceError,
function(use) {
return "(class c { set [" + use + "](x) {} });";
}, ReferenceError,
function(use) {
return "(class c { static [" + use + "]() {} });";
}, ReferenceError,
// For loop.
function(use) {
return "for (const c = 0; " + use + ";) {}"
}, TypeError,
function(use) {
return "for (const x = 0, c = 0; " + use + ";) {}"
}, TypeError,
function(use) {
return "for (const c = 0; ; " + use + ") {}"
}, TypeError,
function(use) {
return "for (const x = 0, c = 0; ; " + use + ") {}"
}, TypeError,
function(use) {
return "for (const c = 0; ;) { " + use + "; }"
}, TypeError,
function(use) {
return "for (const x = 0, c = 0; ;) { " + use + "; }"
}, TypeError,
function(use) {
return "for (const c in {a: 1}) { " + use + "; }"
}, TypeError,
function(use) {
return "for (const c of [1]) { " + use + "; }"
}, TypeError,
function(use) {
return "for (const x = (" + use + "), c = 0; ;) {}"
}, ReferenceError,
function(use) {
return "for (const c = (" + use + "); ;) {}"
}, ReferenceError,
]
let uses = [
'c = 1',
'c += 1',
'++c',
'c--',
];
let declcontexts = [
function(decl) { return decl; },
function(decl) { return "eval(\'" + decl + "\')"; },
function(decl) { return "{ " + decl + " }"; },
function(decl) { return "(function() { " + decl + " })()"; },
];
let usecontexts = [
function(use) { return use; },
function(use) { return "eval(\"" + use + "\")"; },
function(use) { return "(function() { " + use + " })()"; },
function(use) { return "(function() { eval(\"" + use + "\"); })()"; },
function(use) { return "eval(\"(function() { " + use + "; })\")()"; },
];
function Test(program, error) {
program = "'use strict'; " + program;
try {
// If you need to debug this test, enable the following line:
// print(program, " // throw " + error.name);
eval(program);
} catch (e) {
assertInstanceof(e, error);
if (e === TypeError) {
assertTrue(e.toString().indexOf("Assignment to constant variable") >= 0);
}
return;
}
assertUnreachable();
}
for (var d = 0; d < decls.length; d += 2) {
for (var u = 0; u < uses.length; ++u) {
for (var o = 0; o < declcontexts.length; ++o) {
for (var i = 0; i < usecontexts.length; ++i) {
Test(declcontexts[o](decls[d](usecontexts[i](uses[u]))), decls[d + 1]);
}
}
}
}