michael@0: /* Test case for bug 90411
michael@0:  *
michael@0:  * Uses nsIConverterInputStream to decode GB_HK test.
michael@0:  *
michael@0:  * Sample text is: 
michael@0:  * 问他谁是傻瓜了5分钟。但是，他谁不要求仍然是一个傻瓜永远
michael@0:  * 我听见 我忘记; 我看见 我记住; 我做 我了解。
michael@0:  */
michael@0: 
michael@0: const sample = "~{NJK{K-JGI59OAK~}5~{7VVS!%235+JG%23,K{K-2;R*GsHTH;JGR;8vI59OS@T6!%23~} ~{NRL}<{~} ~{NRM|<G~}; ~{NR?4<{~} ~{NR<GW!~}; ~{NRWv~} ~{NRAK=b!%23~}";
michael@0: 
michael@0: const expected = "\u95EE\u4ED6\u8C01\u662F\u50BB\u74DC\u4E865\u5206\u949F\u3002\u4F46\u662F\uFF0C\u4ED6\u8C01\u4E0D\u8981\u6C42\u4ECD\u7136\u662F\u4E00\u4E2A\u50BB\u74DC\u6C38\u8FDC\u3002 \u6211\u542C\u89C1 \u6211\u5FD8\u8BB0; \u6211\u770B\u89C1 \u6211\u8BB0\u4F4F; \u6211\u505A \u6211\u4E86\u89E3\u3002"; 
michael@0: 
michael@0: const charset="HZ-GB-2312";
michael@0: 
michael@0: function testCase(bufferLength)
michael@0: {
michael@0:   var dataURI = "data:text/plain;charset=" + charset + "," + sample;
michael@0: 
michael@0:   var IOService = Components.Constructor("@mozilla.org/network/io-service;1",
michael@0: 					 "nsIIOService");
michael@0:   var ConverterInputStream =
michael@0:       Components.Constructor("@mozilla.org/intl/converter-input-stream;1",
michael@0: 			     "nsIConverterInputStream",
michael@0: 			     "init");
michael@0: 
michael@0:   var ios = new IOService();
michael@0:   var channel = ios.newChannel(dataURI, "", null);
michael@0:   var testInputStream = channel.open();
michael@0:   var testConverter = new ConverterInputStream(testInputStream,
michael@0: 					       charset,
michael@0: 					       bufferLength,
michael@0: 					       0xFFFD);
michael@0: 
michael@0:   if (!(testConverter instanceof
michael@0: 	Components.interfaces.nsIUnicharLineInputStream))
michael@0:       throw "not line input stream";
michael@0: 
michael@0:   var outStr = "";
michael@0:   var more;
michael@0:   do {
michael@0:       // read the line and check for eof
michael@0:       var line = {};
michael@0:       more = testConverter.readLine(line);
michael@0:       outStr += line.value;
michael@0:   } while (more);
michael@0: 
michael@0:   if (outStr != expected) {
michael@0:     dump("Failed with bufferLength = " + bufferLength + "\n");
michael@0:     if (outStr.length == expected.length) {
michael@0:       for (i = 0; i < outStr.length; ++i) {
michael@0: 	if (outStr.charCodeAt(i) != expected.charCodeAt(i)) {
michael@0: 	  dump(i + ": " + outStr.charCodeAt(i).toString(16) + " != " + expected.charCodeAt(i).toString(16) + "\n");
michael@0: 	}
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // escape the strings before comparing for better readability
michael@0:   do_check_eq(escape(outStr), escape(expected));
michael@0: }
michael@0: 
michael@0: function run_test()
michael@0: {
michael@0:   testCase(32);
michael@0:   testCase(33);
michael@0: }