/** * File Name: while-004 * ECMA Section: * Description: while statement * * Author: christine@netscape.com * Date: 11 August 1998 */ var SECTION = "while-004"; var VERSION = "ECMA_2"; var TITLE = "while statement"; var BUGNUMBER="316725"; startTest(); writeHeaderToLog( SECTION + " "+ TITLE); var tc = 0; var testcases = new Array(); DoWhile_1(); DoWhile_2(); DoWhile_3(); DoWhile_4(); DoWhile_5(); test(); /** * Break out of a while by calling return. * * Tests: 12.6.2 step 6. */ function dowhile() { result = "pass"; while (true) { return result; result = "fail: hit code after return statement"; break; } } function DoWhile_1() { description = "return statement in a while block"; result = dowhile(); testcases[tc++] = new TestCase( SECTION, "DoWhile_1" + description, "pass", result ); } /** * While with a labeled continue statement. Verify that statements * after the continue statement are not evaluated. * * Tests: 12.6.2 step 8. * */ function DoWhile_2() { var description = "while with a labeled continue statement"; var result1 = "pass"; var result2 = "fail: did not execute code after loop, but inside label"; var i = 0; var j = 0; theloop: while( i++ < 10 ) { j++; continue theloop; result1 = "failed: hit code after continue statement"; } result2 = "pass"; testcases[tc++] = new TestCase( SECTION, "DoWhile_2: " +description + " - code inside the loop, before the continue should be executed ("+j+")", true, j == 10 ); testcases[tc++] = new TestCase( SECTION, "DoWhile_2: " +description +" - code after labeled continue should not be executed", "pass", result1 ); testcases[tc++] = new TestCase( SECTION, "DoWhile_2: " +description +" - code after loop but inside label should be executed", "pass", result2 ); } /** * While with a labeled break. * */ function DoWhile_3() { var description = "while with a labeled break statement"; var result1 = "pass"; var result2 = "pass"; var result3 = "fail: did not get to code after label"; woohoo: { while( true ) { break woohoo; result1 = "fail: got to code after a break"; } result2 = "fail: got to code outside of loop but inside label"; } result3 = "pass"; testcases[tc++] = new TestCase( SECTION, "DoWhile_3: " +description +" - verify break out of loop", "pass", result1 ); testcases[tc++] = new TestCase( SECTION, "DoWhile_3: " +description +" - verify break out of label", "pass", result2 ); testcases[tc++] = new TestCase( SECTION, "DoWhile_3: " +description + " - verify correct exit from label", "pass", result3 ); } /** * Labled while with an unlabeled break * */ function DoWhile_4() { var description = "labeled while with an unlabeled break"; var result1 = "pass"; var result2 = "pass"; var result3 = "fail: did not evaluate statement after label"; woohooboy: { while( true ) { break woohooboy; result1 = "fail: got to code after the break"; } result2 = "fail: broke out of while, but not out of label"; } result3 = "pass"; testcases[tc++] = new TestCase( SECTION, "DoWhile_4: " +description +" - verify break out of while loop", "pass", result1 ); testcases[tc++] = new TestCase( SECTION, "DoWhile_4: " +description + " - verify break out of label", "pass", result2 ); testcases[tc++] = new TestCase( SECTION, "DoWhile_4: " +description +" - verify that statements after label are evaluated", "pass", result3 ); } /** * in this case, should behave the same way as * * */ function DoWhile_5() { var description = "while with a labeled continue statement"; var result1 = "pass"; var result2 = "fail: did not execute code after loop, but inside label"; var i = 0; var j = 0; theloop: { j++; while( i++ < 10 ) { continue; result1 = "failed: hit code after continue statement"; } result2 = "pass"; } testcases[tc++] = new TestCase( SECTION, "DoWhile_5: " +description + " - continue should not execute statements above the loop", true, ( j == 1 ) ); testcases[tc++] = new TestCase( SECTION, "DoWhile_5: " +description +" - code after labeled continue should not be executed", "pass", result1 ); testcases[tc++] = new TestCase( SECTION, "DoWhile_5: " +description +" - code after loop but inside label should be executed", "pass", result2 ); }