michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: /**
michael@0:    Filename:     switch2.js
michael@0:    Description:  'Tests the switch statement'
michael@0: 
michael@0:    http://scopus.mcom.com/bugsplat/show_bug.cgi?id=323696
michael@0: 
michael@0:    Author:       Norris Boyd
michael@0:    Date:         July 31, 1998
michael@0: */
michael@0: 
michael@0: var SECTION = 'As described in Netscape doc "Whats new in JavaScript 1.2"';
michael@0: var VERSION = 'no version';
michael@0: var TITLE   = 'statements: switch';
michael@0: var BUGNUMBER="323626";
michael@0: 
michael@0: startTest();
michael@0: writeHeaderToLog("Executing script: switch2.js");
michael@0: writeHeaderToLog( SECTION + " "+ TITLE);
michael@0: 
michael@0: // test defaults not at the end; regression test for a bug that
michael@0: // nearly made it into 4.06
michael@0: function f0(i) {
michael@0:   switch(i) {
michael@0:   default:
michael@0:   case "a":
michael@0:   case "b":
michael@0:     return "ab*"
michael@0:       case "c":
michael@0:     return "c";
michael@0:   case "d":
michael@0:     return "d";
michael@0:   }
michael@0:   return "";
michael@0: }
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f0("a"), "ab*");
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f0("b"), "ab*");
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f0("*"), "ab*");
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f0("c"), "c");
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f0("d"), "d");
michael@0: 
michael@0: function f1(i) {
michael@0:   switch(i) {
michael@0:   case "a":
michael@0:   case "b":
michael@0:   default:
michael@0:     return "ab*"
michael@0:       case "c":
michael@0:     return "c";
michael@0:   case "d":
michael@0:     return "d";
michael@0:   }
michael@0:   return "";
michael@0: }
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f1("a"), "ab*");
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f1("b"), "ab*");
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f1("*"), "ab*");
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f1("c"), "c");
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f1("d"), "d");
michael@0: 
michael@0: // Switch on integer; will use TABLESWITCH opcode in C engine
michael@0: function f2(i) {
michael@0:   switch (i) {
michael@0:   case 0:
michael@0:   case 1:
michael@0:     return 1;
michael@0:   case 2:
michael@0:     return 2;
michael@0:   }
michael@0:   // with no default, control will fall through
michael@0:   return 3;
michael@0: }
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f2(0), 1);
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f2(1), 1);
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f2(2), 2);
michael@0: 
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     f2(3), 3);
michael@0: 
michael@0: // empty switch: make sure expression is evaluated
michael@0: var se = 0;
michael@0: switch (se = 1) {
michael@0: }
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     se, 1);
michael@0: 
michael@0: // only default
michael@0: se = 0;
michael@0: switch (se) {
michael@0: default:
michael@0:   se = 1;
michael@0: }
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     se, 1);
michael@0: 
michael@0: // in loop, break should only break out of switch
michael@0: se = 0;
michael@0: for (var i=0; i < 2; i++) {
michael@0:   switch (i) {
michael@0:   case 0:
michael@0:   case 1:
michael@0:     break;
michael@0:   }
michael@0:   se = 1;
michael@0: }
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     se, 1);
michael@0: 
michael@0: // test "fall through"
michael@0: se = 0;
michael@0: i = 0;
michael@0: switch (i) {
michael@0: case 0:
michael@0:   se++;
michael@0:   /* fall through */
michael@0: case 1:
michael@0:   se++;
michael@0:   break;
michael@0: }
michael@0: new TestCase(SECTION, 'switch statement',
michael@0: 	     se, 2);
michael@0: print("hi");
michael@0: 
michael@0: test();
michael@0: 
michael@0: // Needed: tests for evaluation time of case expressions.
michael@0: // This issue was under debate at ECMA, so postponing for now.
michael@0: