Issue 4125 - [emscripten] Convert filter classes to C++

test/filterClasses.js

+"use strict";
+
+let filterClasses = require("../lib/filterClassesNew");
+let Filter = filterClasses.Filter;
+let InvalidFilter = filterClasses.InvalidFilter;
+let CommentFilter = filterClasses.CommentFilter;
+let RegExpFilter = filterClasses.RegExpFilter;
+let ElemHideFilter = filterClasses.ElemHideFilter;
+let ElemHideException = filterClasses.ElemHideException;
+
+exports.testFromText = function(test)
+{
+  let tests = [
+    ["!asdf", CommentFilter, "comment"],
+    ["asdf", RegExpFilter, "blocking"],
+    ["##asdf", ElemHideFilter, "elemhide"],
+    ["#@#asdf", ElemHideException, "elemhideexception"],
+    ["foobar##asdf", ElemHideFilter, "elemhide"],
+    ["foobar#@#asdf", ElemHideException, "elemhideexception"],
+    ["foobar##a", ElemHideFilter, "elemhide"],
+    ["foobar#@#a", ElemHideException, "elemhideexception"],
+
+    ["foobar#asdf", RegExpFilter, "blocking"],
+    ["foobar|foobas##asdf", RegExpFilter, "blocking"],
+    ["foobar##asdf{asdf}", RegExpFilter, "blocking"],
+    ["foobar##", RegExpFilter, "blocking"],
+    ["foobar#@#", RegExpFilter, "blocking"],
+  ];
+  for (let [text, type, typeName] of tests)
+  {
+    let filter = Filter.fromText(text);
+    test.ok(filter, "Got filter for " + text);
+    test.ok(filter instanceof type, "Correct filter type for " + text);
+    test.equal(filter.type, typeName, "Type name for " + text + " is " + typeName);
+  }
+  test.done();
+}
+
+exports.testNormalize = function(test)
+{
+  let tests = [
+    ["  foo bar ", "foobar"],
+    ["foobar", "foobar"],
+    [" !  comment something ", "!  comment something"],
+    [" ! \n comment something ", "!  comment something"],
+    [" foo , bar ## foo > bar ", "foo,bar##foo > bar"],
+    [" foo , bar #@# foo > bar ", "foo,bar#@#foo > bar"],
+  ];
+  for (let [text, expected] of tests)
+    test.equal(Filter.normalize(text), expected);
+  test.done();
+}