Fix HTML test generator; clean up

tests/cases/Encoding/TestGB18030.php

@@ -28,7 +28,6 @@ class TestGB18030 extends \MensBeam\Intl\Test\CoderDecoderTest {
     protected $seekOffsets = [0, 1, 5, 7, 11, 15, 19, 23];
     /* This string contains an invalid character sequence sandwiched between two null characters */
     protected $brokenChar = "00 FF 00";
-    protected $lowerA = "a";
 
     public function tearDown() {
         $this->testedClass = GB18030::class;

tests/cases/Encoding/TestSingleByte.php

@@ -80,7 +80,6 @@ class TestSingleByte extends \MensBeam\Intl\Test\CoderDecoderTest {
     protected $seekOffsets = [0, 1, 2, 3, 4, 5, 6, 7];
     /* This string is supposed to contain an invalid character sequence sandwiched between two null characters; this is different for each single-byte encoding (and many do not have invalid characters) */
     protected $brokenChar = "";
-    protected $lowerA = "a";
 
     /**
      * @dataProvider provideCodePoints

tests/cases/Encoding/TestUTF8.php

@@ -27,7 +27,6 @@ class TestUTF8 extends \MensBeam\Intl\Test\CoderDecoderTest {
     protected $seekOffsets = [0, 1, 3, 6, 10, 13, 17, 20];
     /* This string contains an invalid character sequence sandwiched between two null characters */
     protected $brokenChar = "00 FF 00";
-    protected $lowerA = "a";
 
     /**
      * @dataProvider provideCodePoints

tests/cases/Encoding/TestXUserDefined.php

@@ -16,7 +16,6 @@ class TestXUserDefined extends \MensBeam\Intl\Test\DecoderTest {
     protected $seekOffsets = [0, 1, 2, 3, 4, 5, 6, 7];
     /* This string is supposed to contain an invalid character sequence sandwiched between two null characters, but x-user-defined has no invalid characters */
     protected $brokenChar = "";
-    protected $lowerA = "a";
 
     /**
      * @dataProvider provideStrings

tests/lib/DecoderTest.php

@@ -9,6 +9,7 @@ namespace MensBeam\Intl\Test;
 use MensBeam\Intl\Encoding\DecoderException;
 
 abstract class DecoderTest extends \PHPUnit\Framework\TestCase {
+    protected $lowerA = "a";
 
     public function testDecodeMultipleCharactersAsCodePoints(string $input, array $exp) {
         $class = $this->testedClass;

tools/test.js

@@ -3,7 +3,7 @@
 window.out = document.createElement("pre");
 document.documentElement.appendChild(out);
 
-var encoding = document.getElementsByTagName("meta").charset;
+var encoding = document.getElementsByTagName("meta")[0].getAttribute("charset");
 
 function encodeCodePoint(code, fatal) {
     if (code < 0 || code > 0x10FFFF) {
@@ -132,6 +132,7 @@ if(typeof seekCodePoints != 'undefined') {
     for (let char of stats) {
         offs.push(char.offset);
     }
+    offs.push(end[1]);
     offs = 'protected $seekOffsets = [' + offs.join(", ") + "];\n";
     // output the results
     out.appendChild(document.createTextNode(comment));