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// Copyright 2015 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.
// Flags: --strong-mode
"use strict";
function CheckSwitch() {
let jumpStatements = [
"break; ",
"continue; ",
"break foo; ",
"continue foo; ",
"return; ",
"throw new TypeError(); ",
"if(1) break; else continue; ",
"if(1) {1+1; {break;}} else continue; "
]
let otherStatements = [
"null; ",
"1+1; ",
"{} ",
"for(;false;) {break;} ",
"for(;false;) {1+1; {throw new TypeError();}} ",
"(function(){return});",
"(function(){throw new TypeError();});",
"{break; 1+1;} ",
"if(1) break; ",
"if(1) break; else 1+1; ",
"if(1) 1+1; else break; ",
]
let successContexts = [
["switch(1) {case 1: ", "case 2: }"],
["switch(1) {case 1: case 2: ", "default: }"],
["switch(1) {case 1: case 2: ", "default: {}}"],
["switch(1) {case 1: case 2: ", "default: 1+1}"],
["switch(1) {case 1: break; case 2: ", "default: }"],
["switch(1) {case 1: case 2: break; case 3: ", "case 4: default: }"],
["switch(1) {case 1: if(1) break; else {", "} default: break;}"]
]
let strongThrowContexts = [
["switch(1) {case 1: 1+1; case 2: ", "}"],
["switch(1) {case 1: bar: break foo; case 2: ", "}"],
["switch(1) {case 1: bar:", " case 2: }"],
["switch(1) {case 1: bar:{ ", "} case 2: }"],
["switch(1) {case 1: bar:{ ", "} default: break;}"],
["switch(1) {case 1: { bar:{ { ", "} } } default: break;}"],
["switch(1) {case 1: { { { ", "} 1+1;} } default: break;}"],
["switch(1) {case 1: if(1) {", "} default: break;}"],
["switch(1) {case 1: bar:if(1) break; else {", "} default: break;}"]
]
let sloppy_wrap = ["function f() { foo:for(;;) {", "}}"];
let strong_wrap = ["function f() { 'use strong'; foo:for(;;) {", "}}"];
for (let context of successContexts) {
let sloppy_prefix = sloppy_wrap[0] + context[0];
let sloppy_suffix = context[1] + sloppy_wrap[1];
let strong_prefix = strong_wrap[0] + context[0];
let strong_suffix = context[1] + strong_wrap[1];
for (let code of jumpStatements) {
assertDoesNotThrow(strong_wrap[0] + "switch(1) {case 1: " + code + "}}}");
assertDoesNotThrow(strong_prefix + code + strong_suffix);
assertDoesNotThrow(strong_prefix + "{ 1+1; " + code + "}" +
strong_suffix);
assertDoesNotThrow(strong_prefix + "{ 1+1; { 1+1; " + code + "}}" +
strong_suffix);
assertDoesNotThrow(strong_prefix + "if(1) " + code + "else break;" +
strong_suffix);
assertDoesNotThrow(strong_prefix + "if(1) " + code +
"else if (1) break; else " + code + strong_suffix);
}
for (let code of otherStatements) {
assertDoesNotThrow(sloppy_prefix + code + sloppy_suffix);
assertThrows(strong_prefix + code + strong_suffix, SyntaxError);
}
}
for (let context of strongThrowContexts) {
let sloppy_prefix = sloppy_wrap[0] + context[0];
let sloppy_suffix = context[1] + sloppy_wrap[1];
let strong_prefix = strong_wrap[0] + context[0];
let strong_suffix = context[1] + strong_wrap[1];
for (let code of jumpStatements.concat(otherStatements)) {
assertDoesNotThrow(sloppy_prefix + code + sloppy_suffix);
assertThrows(strong_prefix + code + strong_suffix, SyntaxError);
}
}
for (let code of otherStatements) {
assertDoesNotThrow("switch(1) {default: " + code + "}");
assertDoesNotThrow("switch(1) {case 1: " + code + "}");
assertDoesNotThrow("switch(1) {case 1: default: " + code + "}");
assertDoesNotThrow("switch(1) {case 1: break; default: " + code + "}");
assertDoesNotThrow("switch(1) {case 1: " + code + "break; default: }");
}
}
CheckSwitch();
assertDoesNotThrow("'use strong'; switch(1) {}");
assertDoesNotThrow("'use strong'; switch(1) {case 1:}");
assertDoesNotThrow("'use strong'; switch(1) {default:}");
assertDoesNotThrow("'use strong'; switch(1) {case 1: case 2: default:}");
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