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