| // |reftest| skip-if(!xulRuntime.shell) -- needs evaluate() |
| /* |
| * Any copyright is dedicated to the Public Domain. |
| * http://creativecommons.org/licenses/publicdomain/ |
| * Contributor: |
| * Jeff Walden <jwalden+code@mit.edu> |
| */ |
| |
| //----------------------------------------------------------------------------- |
| var BUGNUMBER = 1046964; |
| var summary = |
| "Misplaced directives (e.g. 'use strict') should trigger warnings if they " + |
| "contradict the actually-used semantics"; |
| |
| print(BUGNUMBER + ": " + summary); |
| |
| /************** |
| * BEGIN TEST * |
| **************/ |
| |
| options("strict"); |
| options("werror"); |
| |
| function evaluateNoRval(code) |
| { |
| evaluate(code, { isRunOnce: true, noScriptRval: true }); |
| } |
| |
| function expectSyntaxError(code) |
| { |
| try |
| { |
| evaluateNoRval(code); |
| throw new Error("didn't throw"); |
| } |
| catch (e) |
| { |
| assertEq(e instanceof SyntaxError, true, |
| "should have thrown a SyntaxError, instead got:\n" + |
| " " + e + "\n" + |
| "when evaluating:\n" + |
| " " + code); |
| } |
| } |
| |
| expectSyntaxError("function f1() {} 'use strict'; function f2() {}"); |
| expectSyntaxError("function f3() { var x; 'use strict'; }"); |
| |
| if (isAsmJSCompilationAvailable()) |
| expectSyntaxError("function f4() {} 'use asm'; function f5() {}"); |
| expectSyntaxError("function f6() { var x; 'use strict'; }"); |
| if (isAsmJSCompilationAvailable()) |
| expectSyntaxError("'use asm'; function f7() {}"); |
| |
| // No errors expected -- useless non-directives, but not contrary to used |
| // semantics. |
| evaluateNoRval("'use strict'; function f8() {} 'use strict'; function f9() {}"); |
| evaluateNoRval("'use strict'; function f10() { var z; 'use strict' }"); |
| |
| if (isAsmJSCompilationAvailable()) |
| evaluateNoRval("function f11() { 'use asm'; return {}; }"); |
| |
| /******************************************************************************/ |
| |
| if (typeof reportCompare === "function") |
| reportCompare(true, true); |
| |
| print("Tests complete"); |