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Diffstat (limited to 'V8Binding/v8/test/mjsunit/const-redecl.js')
-rw-r--r-- | V8Binding/v8/test/mjsunit/const-redecl.js | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/V8Binding/v8/test/mjsunit/const-redecl.js b/V8Binding/v8/test/mjsunit/const-redecl.js deleted file mode 100644 index 26d765b..0000000 --- a/V8Binding/v8/test/mjsunit/const-redecl.js +++ /dev/null @@ -1,220 +0,0 @@ -// Copyright 2008 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 for const semantics. - - -function CheckException(e) { - var string = e.toString(); - var index = string.indexOf(':'); - assertTrue(index >= 0); - var name = string.slice(0, index); - assertTrue(string.indexOf("has already been declared") >= 0 || - string.indexOf("redeclaration") >= 0); - if (name == 'SyntaxError') return 'TypeError'; - return name; -} - - -function TestLocal(s,e) { - try { - return eval("(function(){" + s + ";return " + e + "})")(); - } catch (x) { - return CheckException(x); - } -} - - -// NOTE: TestGlobal usually only tests the given string in the context -// of a global object in dictionary mode. This is because we use -// delete to get rid of any added properties. -function TestGlobal(s,e) { - // Collect the global properties before the call. - var properties = []; - for (var key in this) properties.push(key); - // Compute the result. - var result; - try { - var code = s + (e ? "; $$$result=" + e : ""); - if (this.execScript) { - execScript(code); - } else { - this.eval(code); - } - // Avoid issues if $$$result is not defined by - // reading it through this. - result = this.$$$result; - } catch (x) { - result = CheckException(x); - } - // Get rid of any introduced global properties before - // returning the result. - for (var key in this) { - if (properties.indexOf(key) == -1) delete this[key]; - } - return result; -} - - -function TestContext(s,e) { - try { - // Use a with-statement to force the system to do dynamic - // declarations of the introduced variables or constants. - with ({}) { - return eval(s + ";" + e); - } - } catch (x) { - return CheckException(x); - } -} - - -function TestAll(expected,s,opt_e) { - var e = ""; - var msg = s; - if (opt_e) { e = opt_e; msg += "; " + opt_e; } - assertEquals(expected, TestLocal(s,e), "local:'" + msg + "'"); - assertEquals(expected, TestGlobal(s,e), "global:'" + msg + "'"); - assertEquals(expected, TestContext(s,e), "context:'" + msg + "'"); -} - - -function TestConflict(def0, def1) { - // No eval. - TestAll("TypeError", def0 +'; ' + def1); - // Eval everything. - TestAll("TypeError", 'eval("' + def0 + '; ' + def1 + '")'); - // Eval first definition. - TestAll("TypeError", 'eval("' + def0 +'"); ' + def1); - // Eval second definition. - TestAll("TypeError", def0 + '; eval("' + def1 + '")'); - // Eval both definitions separately. - TestAll("TypeError", 'eval("' + def0 +'"); eval("' + def1 + '")'); -} - - -// Test conflicting definitions. -TestConflict("const x", "var x"); -TestConflict("const x = 0", "var x"); -TestConflict("const x", "var x = 0"); -TestConflict("const x = 0", "var x = 0"); - -TestConflict("var x", "const x"); -TestConflict("var x = 0", "const x"); -TestConflict("var x", "const x = 0"); -TestConflict("var x = 0", "const x = 0"); - -TestConflict("const x = undefined", "var x"); -TestConflict("const x", "var x = undefined"); -TestConflict("const x = undefined", "var x = undefined"); - -TestConflict("var x = undefined", "const x"); -TestConflict("var x", "const x = undefined"); -TestConflict("var x = undefined", "const x = undefined"); - -TestConflict("const x = undefined", "var x = 0"); -TestConflict("const x = 0", "var x = undefined"); - -TestConflict("var x = undefined", "const x = 0"); -TestConflict("var x = 0", "const x = undefined"); - -TestConflict("const x", "function x() { }"); -TestConflict("const x = 0", "function x() { }"); -TestConflict("const x = undefined", "function x() { }"); - -TestConflict("function x() { }", "const x"); -TestConflict("function x() { }", "const x = 0"); -TestConflict("function x() { }", "const x = undefined"); - -TestConflict("const x, y", "var x"); -TestConflict("const x, y", "var y"); -TestConflict("const x = 0, y", "var x"); -TestConflict("const x = 0, y", "var y"); -TestConflict("const x, y = 0", "var x"); -TestConflict("const x, y = 0", "var y"); -TestConflict("const x = 0, y = 0", "var x"); -TestConflict("const x = 0, y = 0", "var y"); - -TestConflict("var x", "const x, y"); -TestConflict("var y", "const x, y"); -TestConflict("var x", "const x = 0, y"); -TestConflict("var y", "const x = 0, y"); -TestConflict("var x", "const x, y = 0"); -TestConflict("var y", "const x, y = 0"); -TestConflict("var x", "const x = 0, y = 0"); -TestConflict("var y", "const x = 0, y = 0"); - - -// Test that multiple conflicts do not cause issues. -TestConflict("var x, y", "const x, y"); - - -// Test that repeated const declarations throw redeclaration errors. -TestConflict("const x", "const x"); -TestConflict("const x = 0", "const x"); -TestConflict("const x", "const x = 0"); -TestConflict("const x = 0", "const x = 0"); - -TestConflict("const x = undefined", "const x"); -TestConflict("const x", "const x = undefined"); -TestConflict("const x = undefined", "const x = undefined"); - -TestConflict("const x = undefined", "const x = 0"); -TestConflict("const x = 0", "const x = undefined"); - -TestConflict("const x, y", "const x"); -TestConflict("const x, y", "const y"); -TestConflict("const x = 0, y", "const x"); -TestConflict("const x = 0, y", "const y"); -TestConflict("const x, y = 0", "const x"); -TestConflict("const x, y = 0", "const y"); -TestConflict("const x = 0, y = 0", "const x"); -TestConflict("const x = 0, y = 0", "const y"); - -TestConflict("const x", "const x, y"); -TestConflict("const y", "const x, y"); -TestConflict("const x", "const x = 0, y"); -TestConflict("const y", "const x = 0, y"); -TestConflict("const x", "const x, y = 0"); -TestConflict("const y", "const x, y = 0"); -TestConflict("const x", "const x = 0, y = 0"); -TestConflict("const y", "const x = 0, y = 0"); - - -// Test that multiple const conflicts do not cause issues. -TestConflict("const x, y", "const x, y"); - - -// Test that const inside loop behaves correctly. -var loop = "for (var i = 0; i < 3; i++) { const x = i; }"; -TestAll(0, loop, "x"); -TestAll(0, "var a,b,c,d,e,f,g,h; " + loop, "x"); - - -// Test that const inside with behaves correctly. -TestAll(87, "with ({x:42}) { const x = 87; }", "x"); -TestAll(undefined, "with ({x:42}) { const x; }", "x"); |