Move web-platform-tests to wpt (part 1 of 2)

third_party/WebKit/LayoutTests/imported/web-platform-tests/html/dom/reflection.js

-ReflectionTests = {};
-
-ReflectionTests.start = new Date().getTime();
-
-/**
- * Resolve the given URL to an absolute URL, relative to the current document's
- * address.  There's no API that I know of that exposes this directly, so we
- * actually just create an <a> element, set its href, and stitch together the
- * various properties.  Seems to work.  We don't try to reimplement the
- * algorithm here, because we're not concerned with its correctness -- we're
- * only testing HTML reflection, not Web Addresses.
- *
- * Return "" if the URL couldn't be resolved, since this is really for
- * reflected URL attributes, and those are supposed to return "" if the URL
- * couldn't be resolved.
- *
- * It seems like IE9 doesn't implement URL decomposition attributes correctly
- * for <a>, which causes all these tests to fail.  Ideally I'd do this in some
- * other way, but the failure does stem from an incorrect implementation of
- * HTML, so I'll leave it alone for now.
- *
- * TODO: This relies on reflection to test reflection, so it could mask bugs.
- * Either get a JS implementation of the "resolve a URL" algorithm, or just
- * specify expected values manually here.  It shouldn't be too hard to write
- * special cases for all the values we test.
- */
-ReflectionTests.resolveUrl = function(url) {
-    var el = document.createElement("a");
-    el.href = String(url);
-    var ret = el.protocol + "//" + el.host + el.pathname + el.search + el.hash;
-    if (ret == "//") {
-        return "";
-    } else {
-        return ret;
-    }
-};
-
-/**
- * Given some input, convert to a multi-URL value for IDL get per the spec.
- */
-ReflectionTests.urlsExpected = function(urls) {
-    var expected = "";
-    // TODO: Test other whitespace?
-    urls = urls + "";
-    var split = urls.split(" ");
-    for (var j = 0; j < split.length; j++) {
-        if (split[j] == "") {
-            continue;
-        }
-        var append = ReflectionTests.resolveUrl(split[j]);
-        if (append == "") {
-            continue;
-        }
-        if (expected == "") {
-            expected = append;
-        } else {
-            expected += " " + append;
-        }
-    }
-    return expected;
-};
-
-/**
- * The "rules for parsing non-negative integers" from the HTML spec.  They're
- * mostly used for reflection, so here seems like as good a place to test them
- * as any.  Returns false on error.
- */
-ReflectionTests.parseNonneg = function(input) {
-  var value = this.parseInt(input);
-  if (value === false || value < 0) {
-      return false;
-  }
-  return value;
-};
-
-/**
- * The "rules for parsing integers" from the HTML spec.  Returns false on
- * error.
- */
-ReflectionTests.parseInt = function(input) {
-    var position = 0;
-    var sign = 1;
-    // Skip whitespace
-    while (input.length > position && /^[ \t\n\f\r]$/.test(input[position])) {
-        position++;
-    }
-    if (position >= input.length) {
-        return false;
-    }
-    if (input[position] == "-") {
-        sign = -1;
-        position++;
-    } else if (input[position] == "+") {
-        position++;
-    }
-    if (position >= input.length) {
-        return false;
-    }
-    if (!/^[0-9]$/.test(input[position])) {
-        return false;
-    }
-    var value = 0;
-    while (input.length > position && /^[0-9]$/.test(input[position])) {
-        value *= 10;
-        // Don't use parseInt even for single-digit strings . . .
-        value += input.charCodeAt(position) - "0".charCodeAt(0);
-        position++;
-    }
-    if (value === 0) {
-        return 0;
-    }
-    return sign * value;
-};
-
-// Used in initializing typeMap
-var binaryString = "\x00\x01\x02\x03\x04\x05\x06\x07 "
-    + "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f "
-    + "\x10\x11\x12\x13\x14\x15\x16\x17 "
-    + "\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f ";
-var maxInt = 2147483647;
-var minInt = -2147483648;
-var maxUnsigned = 4294967295;
-
-/**
- * Array containing the tests and other information for each type of reflected
- * attribute.  Meaning of keys:
- *
- *   "jsType": What typeof idlObj[idlName] is supposed to be.
- *   "defaultVal": The default value to be returned if the attribute is not
- *       present and no default is specifically set for this attribute.
- *   "domTests": What values to test with setAttribute().
- *   "domExpected": What values to expect with IDL get after setAttribute().
- *       Defaults to the same as domTests.
- *   "idlTests": What values to test with IDL set.  Defaults to domTests.
- *   "idlDomExpected": What to expect from getAttribute() after IDL set.
- *       Defaults to idlTests.
- *   "idlIdlExpected": What to expect from IDL get after IDL set.  Defaults to
- *       idlDomExpected.
- *
- * Note that all tests/expected values are only baselines, and can be expanded
- * with additional tests hardcoded into the function for particular types if
- * necessary. For example, a special codepath is used for enums, and for
- * IDL setters which throw an exception. null means "defaultVal" is the
- * expected value. Expected DOM values are cast to strings by adding "".
- *
- * TODO: Test strings that aren't valid UTF-16.  Desired behavior is not clear
- * here at the time of writing, see
- * http://www.w3.org/Bugs/Public/show_bug.cgi?id=12100
- *
- * TODO: Test deleting an IDL attribute, and maybe doing other fun stuff to it.
- *
- * TODO: Test IDL sets of integer types to out-of-range or other weird values.
- * WebIDL says to wrap, but I'm not sure offhand if that's what we want.
- *
- * TODO: tokenlist, settable tokenlist, limited
- */
-
-
-ReflectionTests.typeMap = {
-    /**
-     * "If a reflecting IDL attribute is a DOMString but doesn't fall into any
-     * of the above categories, then the getting and setting must be done in a
-     * transparent, case-preserving manner."
-     *
-     * The data object passed to reflects() can contain an optional key
-     * treatNullAsEmptyString, whose value is ignored.  If it does contain the
-     * key, null will be cast to "" instead of "null", per WebIDL
-     * [TreatNullAs=EmptyString].
-     */
-    "string": {
-        "jsType": "string",
-        "defaultVal": "",
-        "domTests": ["", " " + binaryString + " foo ", undefined, 7, 1.5, true,
-                     false, {"test": 6}, NaN, +Infinity, -Infinity, "\0", null,
-                     {"toString":function(){return "test-toString";}},
-                     {"valueOf":function(){return "test-valueOf";}, toString:null}
-                ]
-    },
-    /**
-     * "If a reflecting IDL attribute is a DOMString attribute whose content
-     * attribute is defined to contain a URL, then on getting, the IDL
-     * attribute must resolve the value of the content attribute relative to
-     * the element and return the resulting absolute URL if that was
-     * successful, or the empty string otherwise; and on setting, must set the
-     * content attribute to the specified literal value. If the content
-     * attribute is absent, the IDL attribute must return the default value, if
-     * the content attribute has one, or else the empty string."
-     */
-    "url": {
-        "jsType": "string",
-        "defaultVal": "",
-        "domTests": ["", " foo ", "http://site.example/",
-                     "//site.example/path???@#l", binaryString, undefined, 7, 1.5, true,
-                     false, {"test": 6}, NaN, +Infinity, -Infinity, "\0", null,
-                     {"toString":function(){return "test-toString";}},
-                     {"valueOf":function(){return "test-valueOf";}, toString:null}],
-        "domExpected": ReflectionTests.resolveUrl,
-        "idlIdlExpected": ReflectionTests.resolveUrl
-    },
-    /**
-     * "If a reflecting IDL attribute is a DOMString attribute whose content
-     * attribute is defined to contain one or more URLs, then on getting, the
-     * IDL attribute must split the content attribute on spaces and return the
-     * concatenation of resolving each token URL to an absolute URL relative to
-     * the element, with a single U+0020 SPACE character between each URL,
-     * ignoring any tokens that did not resolve successfully. If the content
-     * attribute is absent, the IDL attribute must return the default value, if
-     * the content attribute has one, or else the empty string. On setting, the
-     * IDL attribute must set the content attribute to the specified literal
-     * value."
-     *
-     * Seems to only be used for ping.
-     */
-    "urls": {
-        "jsType": "string",
-        "defaultVal": "",
-        "domTests": ["", " foo   ", "http://site.example/ foo  bar   baz",
-                     "//site.example/path???@#l", binaryString, undefined, 7, 1.5, true,
-                     false, {"test": 6}, NaN, +Infinity, -Infinity, "\0", null,
-                     {"toString":function(){return "test-toString";}},
-                     {"valueOf":function(){return "test-valueOf";}, toString:null}],
-        "domExpected": ReflectionTests.urlsExpected,
-        "idlIdlExpected": ReflectionTests.urlsExpected
-    },
-    /**
-     * "If a reflecting IDL attribute is a DOMString whose content attribute is
-     * an enumerated attribute, and the IDL attribute is limited to only known
-     * values, then, on getting, the IDL attribute must return the conforming
-     * value associated with the state the attribute is in (in its canonical
-     * case), or the empty string if the attribute is in a state that has no
-     * associated keyword value; and on setting, if the new value is an ASCII
-     * case-insensitive match for one of the keywords given for that attribute,
-     * then the content attribute must be set to the conforming value
-     * associated with the state that the attribute would be in if set to the
-     * given new value, otherwise, if the new value is the empty string, then
-     * the content attribute must be removed, otherwise, the content attribute
-     * must be set to the given new value."
-     *
-     * "Some attributes are defined as taking one of a finite set of keywords.
-     * Such attributes are called enumerated attributes. The keywords are each
-     * defined to map to a particular state (several keywords might map to the
-     * same state, in which case some of the keywords are synonyms of each
-     * other; additionally, some of the keywords can be said to be
-     * non-conforming, and are only in the specification for historical
-     * reasons). In addition, two default states can be given. The first is the
-     * invalid value default, the second is the missing value default.
-     *
-     * . . .
-     *
-     * When the attribute is specified, if its value is an ASCII
-     * case-insensitive match for one of the given keywords then that keyword's
-     * state is the state that the attribute represents. If the attribute value
-     * matches none of the given keywords, but the attribute has an invalid
-     * value default, then the attribute represents that state. Otherwise, if
-     * the attribute value matches none of the keywords but there is a missing
-     * value default state defined, then that is the state represented by the
-     * attribute.  Otherwise, there is no default, and invalid values must be
-     * ignored.
-     *
-     * When the attribute is not specified, if there is a missing value default
-     * state defined, then that is the state represented by the (missing)
-     * attribute. Otherwise, the absence of the attribute means that there is
-     * no state represented."
-     *
-     * This is only used for enums that are limited to known values, not other
-     * enums (those are treated as generic strings by the spec).  The data
-     * object passed to reflects() can contain these keys:
-     *
-     *   "defaultVal": missing value default (defaults to "")
-     *   "invalidVal": invalid value default (defaults to defaultVal)
-     *   "keywords": array of keywords as given by the spec (required)
-     *   "nonCanon": dictionary mapping non-canonical values to their
-     *     canonical equivalents (defaults to {})
-     *   "isNullable": Indicates if attribute is nullable (defaults to false)
-     *
-     * Tests are mostly hardcoded into reflects(), since they depend on the
-     * keywords.  All expected values are computed in reflects() using a helper
-     * function.
-     */
-    "enum": {
-        "jsType": "string",
-        "defaultVal": "",
-        "domTests": ["", " " + binaryString + " foo ", undefined, 7, 1.5, true,
-                 false, {"test": 6}, NaN, +Infinity, -Infinity, "\0", null,
-                 {"toString":function(){return "test-toString";}},
-                 {"valueOf":function(){return "test-valueOf";}, toString:null}]
-    },
-    /**
-     * "If a reflecting IDL attribute is a boolean attribute, then on getting
-     * the IDL attribute must return true if the content attribute is set, and
-     * false if it is absent. On setting, the content attribute must be removed
-     * if the IDL attribute is set to false, and must be set to the empty
-     * string if the IDL attribute is set to true. (This corresponds to the
-     * rules for boolean content attributes.)"
-     */
-    "boolean": {
-        "jsType": "boolean",
-        "defaultVal": false,
-        "domTests": ["", " foo ", undefined, null, 7, 1.5, true, false,
-                     {"test": 6}, NaN, +Infinity, -Infinity, "\0",
-                     {"toString":function(){return "test-toString";}},
-                     {"valueOf":function(){return "test-valueOf";}, toString:null}],
-        "domExpected": function(val) {
-            return true;
-        }
-    },
-    /**
-     * "If a reflecting IDL attribute is a signed integer type (long) then, on
-     * getting, the content attribute must be parsed according to the rules for
-     * parsing signed integers, and if that is successful, and the value is in
-     * the range of the IDL attribute's type, the resulting value must be
-     * returned. If, on the other hand, it fails or returns an out of range
-     * value, or if the attribute is absent, then the default value must be
-     * returned instead, or 0 if there is no default value. On setting, the
-     * given value must be converted to the shortest possible string
-     * representing the number as a valid integer and then that string must be
-     * used as the new content attribute value."
-     */
-    "long": {
-        "jsType": "number",
-        "defaultVal": 0,
-        "domTests": [-36, -1, 0, 1, maxInt, minInt, maxInt + 1, minInt - 1,
-                     maxUnsigned, maxUnsigned + 1, "", "-1", "-0", "0", "1",
-                     " " + binaryString + " foo ",
-                     // Test various different whitespace. Only 20, 9, A, C,
-                     // and D are whitespace.
-                     "\u00097", "\u000B7", "\u000C7", "\u00207", "\u00A07", "\uFEFF7",
-                     "\u000A7", "\u000D7", "\u20287", "\u20297", "\u16807", "\u180E7",
-                     "\u20007", "\u20017", "\u20027", "\u20037", "\u20047", "\u20057",
-                     "\u20067", "\u20077", "\u20087", "\u20097", "\u200A7", "\u202F7",
-                     "\u30007",
-                     undefined, 1.5, true, false, {"test": 6}, NaN, +Infinity,
-                     -Infinity, "\0",
-                     {toString:function() {return 2;}, valueOf: null},
-                     {valueOf:function() {return 3;}}],
-        "domExpected": function(val) {
-            var parsed = ReflectionTests.parseInt(String(val));
-            if (parsed === false || parsed > maxInt || parsed < minInt) {
-                return null;
-            }
-            return parsed;
-        },
-        "idlTests":       [-36, -1, 0, 1, 2147483647, -2147483648],
-        "idlDomExpected": [-36, -1, 0, 1, 2147483647, -2147483648]
-    },
-    /**
-     * "If a reflecting IDL attribute is a signed integer type (long) that is
-     * limited to only non-negative numbers then, on getting, the content
-     * attribute must be parsed according to the rules for parsing non-negative
-     * integers, and if that is successful, and the value is in the range of
-     * the IDL attribute's type, the resulting value must be returned. If, on
-     * the other hand, it fails or returns an out of range value, or if the
-     * attribute is absent, the default value must be returned instead, or −1
-     * if there is no default value. On setting, if the value is negative, the
-     * user agent must fire an INDEX_SIZE_ERR exception. Otherwise, the given
-     * value must be converted to the shortest possible string representing the
-     * number as a valid non-negative integer and then that string must be used
-     * as the new content attribute value."
-     */
-    "limited long": {
-        "jsType": "number",
-        "defaultVal": -1,
-        "domTests": [minInt - 1, minInt, -36, -1, -0, 0, 1, maxInt, maxInt + 1,
-                     maxUnsigned, maxUnsigned + 1, "", "-1", "-0", "0", "1",
-                     " " + binaryString + " foo ",
-                     "\u00097", "\u000B7", "\u000C7", "\u00207", "\u00A07", "\uFEFF7",
-                     "\u000A7", "\u000D7", "\u20287", "\u20297", "\u16807", "\u180E7",
-                     "\u20007", "\u20017", "\u20027", "\u20037", "\u20047", "\u20057",
-                     "\u20067", "\u20077", "\u20087", "\u20097", "\u200A7", "\u202F7",
-                     "\u30007",
-                     undefined, 1.5, true, false, {"test": 6}, NaN, +Infinity,
-                     -Infinity, "\0",
-                     {toString:function() {return 2;}, valueOf: null},
-                     {valueOf:function() {return 3;}}],
-        "domExpected": function(val) {
-            var parsed = ReflectionTests.parseNonneg(String(val));
-            if (parsed === false || parsed > maxInt || parsed < minInt) {
-                return null;
-            }
-            return parsed;
-        },
-        "idlTests":       [minInt, -36,  -1, 0, 1, maxInt],
-        "idlDomExpected": [null/*exception*/, null/*exception*/, null/*exception*/, 0, 1, maxInt]
-    },
-    /**
-     * "If a reflecting IDL attribute is an unsigned integer type (unsigned
-     * long) then, on getting, the content attribute must be parsed according
-     * to the rules for parsing non-negative integers, and if that is
-     * successful, and the value is in the range 0 to 2147483647 inclusive, the
-     * resulting value must be returned. If, on the other hand, it fails or
-     * returns an out of range value, or if the attribute is absent, the
-     * default value must be returned instead, or 0 if there is no default
-     * value. On setting, the given value must be converted to the shortest
-     * possible string representing the number as a valid non-negative integer
-     * and then that string must be used as the new content attribute value."
-     */
-    "unsigned long": {
-        "jsType": "number",
-        "defaultVal": 0,
-        "domTests": [minInt - 1, minInt, -36,  -1,   0, 1, 257, maxInt,
-                     maxInt + 1, maxUnsigned, maxUnsigned + 1, "", "-1", "-0", "0", "1",
-                     "\u00097", "\u000B7", "\u000C7", "\u00207", "\u00A07", "\uFEFF7",
-                     "\u000A7", "\u000D7", "\u20287", "\u20297", "\u16807", "\u180E7",
-                     "\u20007", "\u20017", "\u20027", "\u20037", "\u20047", "\u20057",
-                     "\u20067", "\u20077", "\u20087", "\u20097", "\u200A7", "\u202F7",
-                     "\u30007",
-                     " " + binaryString + " foo ", undefined, 1.5, true, false,
-                     {"test": 6}, NaN, +Infinity, -Infinity, "\0",
-                     {toString:function() {return 2;}, valueOf: null},
-                     {valueOf:function() {return 3;}}],
-        "domExpected": function(val) {
-            var parsed = ReflectionTests.parseNonneg(String(val));
-            // Note maxInt, not maxUnsigned.
-            if (parsed === false || parsed < 0 || parsed > maxInt) {
-                return null;
-            }
-            return parsed;
-        },
-        "idlTests": [0, 1, 257, maxInt, "-0", maxInt + 1, maxUnsigned],
-        "idlIdlExpected": [0, 1, 257, maxInt, 0, null, null],
-        "idlDomExpected": [0, 1, 257, maxInt, 0, null, null],
-    },
-    /**
-     * "If a reflecting IDL attribute is an unsigned integer type (unsigned
-     * long) that is limited to only non-negative numbers greater than zero,
-     * then the behavior is similar to the previous case, but zero is not
-     * allowed. On getting, the content attribute must first be parsed
-     * according to the rules for parsing non-negative integers, and if that is
-     * successful, and the value is in the range 1 to 2147483647 inclusive, the
-     * resulting value must be returned. If, on the other hand, it fails or
-     * returns an out of range value, or if the attribute is absent, the
-     * default value must be returned instead, or 1 if there is no default
-     * value. On setting, if the value is zero, the user agent must fire an
-     * INDEX_SIZE_ERR exception. Otherwise, the given value must be converted
-     * to the shortest possible string representing the number as a valid
-     * non-negative integer and then that string must be used as the new
-     * content attribute value."
-     */
-    "limited unsigned long": {
-        "jsType": "number",
-        "defaultVal": 1,
-        "domTests": [minInt - 1, minInt, -36,  -1,   0,    1, maxInt,
-                     maxInt + 1, maxUnsigned, maxUnsigned + 1, "", "-1", "-0", "0", "1",
-                     "\u00097", "\u000B7", "\u000C7", "\u00207", "\u00A07", "\uFEFF7",
-                     "\u000A7", "\u000D7", "\u20287", "\u20297", "\u16807", "\u180E7",
-                     "\u20007", "\u20017", "\u20027", "\u20037", "\u20047", "\u20057",
-                     "\u20067", "\u20077", "\u20087", "\u20097", "\u200A7", "\u202F7",
-                     "\u30007",
-                     " " + binaryString + " foo ", undefined, 1.5, true, false,
-                     {"test": 6}, NaN, +Infinity, -Infinity, "\0",
-                     {toString:function() {return 2;}, valueOf: null},
-                     {valueOf:function() {return 3;}}],
-        "domExpected": function(val) {
-            var parsed = ReflectionTests.parseNonneg(String(val));
-            // Note maxInt, not maxUnsigned.
-            if (parsed === false || parsed < 1 || parsed > maxInt) {
-                return null;
-            }
-            return parsed;
-        },
-        "idlTests":       [0, 1, maxInt, maxInt + 1, maxUnsigned],
-        "idlDomExpected": [null/*exception*/, 1, maxInt, null, null]
-    },
-    /**
-     * "If a reflecting IDL attribute is a floating point number type (double),
-     * then, on getting, the content attribute must be parsed according to the
-     * rules for parsing floating point number values, and if that is
-     * successful, the resulting value must be returned. If, on the other hand,
-     * it fails, or if the attribute is absent, the default value must be
-     * returned instead, or 0.0 if there is no default value. On setting, the
-     * given value must be converted to the best representation of the number
-     * as a floating point number and then that string must be used as the new
-     * content attribute value."
-     *
-     * TODO: Check this:
-     *
-     * "Except where otherwise specified, if an IDL attribute that is a
-     * floating point number type (double) is assigned an Infinity or
-     * Not-a-Number (NaN) value, a NOT_SUPPORTED_ERR exception must be raised."
-     *
-     * TODO: Implement the actual algorithm so we can run lots more tests.  For
-     * now we're stuck with manually setting up expected values.  Of course,
-     * a lot of care has to be taken in checking equality for floats . . .
-     * maybe we should have some tolerance for comparing them.  I'm not even
-     * sure whether setting the content attribute to 0 should return 0.0 or
-     * -0.0 (the former, I hope).
-     */
-    "double": {
-        "jsType": "number",
-        "defaultVal": 0.0,
-        "domTests": [minInt - 1, minInt, -36, -1, 0, 1, maxInt,
-            maxInt + 1, maxUnsigned, maxUnsigned + 1, "",
-            "\u00097", "\u000B7", "\u000C7", "\u00207", "\u00A07", "\uFEFF7",
-            "\u000A7", "\u000D7", "\u20287", "\u20297", "\u16807", "\u180E7",
-            "\u20007", "\u20017", "\u20027", "\u20037", "\u20047", "\u20057",
-            "\u20067", "\u20077", "\u20087", "\u20097", "\u200A7", "\u202F7",
-            "\u30007",
-            " " + binaryString + " foo ", undefined, 1.5, true, false,
-            {"test": 6}, NaN, +Infinity, -Infinity, "\0",
-            {toString:function() {return 2;}, valueOf: null},
-            {valueOf:function() {return 3;}}],
-        "domExpected": [minInt - 1, minInt, -36, -1, 0, 1, maxInt,
-                        maxInt + 1, maxUnsigned, maxUnsigned + 1, null,
-                        // Leading whitespace tests
-                        7, null, 7, 7, null, null,
-                        7, 7, null, null, null, null,
-                        null, null, null, null, null, null,
-                        null, null, null, null, null, null,
-                        null,
-                        // End leading whitespace tests
-                        null, null, 1.5, null, null,
-                        null, null, null, null, null,
-                        2, 3],
-        // I checked that ES ToString is well-defined for all of these (I
-        // think).  Yes, String(-0) == "0".
-        "idlTests":       [ -10000000000,   -1,  -0,   0,   1,   10000000000],
-        "idlDomExpected": ["-10000000000", "-1", "0", "0", "1", "10000000000"],
-        "idlIdlExpected": [ -10000000000,   -1,  -0,   0,   1,   10000000000]
-    }
-};
-
-for (var type in ReflectionTests.typeMap) {
-    var props = ReflectionTests.typeMap[type];
-    var cast = window[props.jsType[0].toUpperCase() + props.jsType.slice(1)];
-    if (props.domExpected === undefined) {
-        props.domExpected = props.domTests.map(cast);
-    } else if (typeof props.domExpected == "function") {
-        props.domExpected = props.domTests.map(props.domExpected);
-    }
-    if (props.idlTests === undefined) {
-        props.idlTests = props.domTests;
-    }
-    if (props.idlDomExpected === undefined) {
-        props.idlDomExpected = props.idlTests.map(cast);
-    } else if (typeof props.idlDomExpected == "function") {
-        props.idlDomExpected = props.idlTests.map(props.idlDomExpected);
-    }
-    if (props.idlIdlExpected === undefined) {
-        props.idlIdlExpected = props.idlDomExpected;
-    } else if (typeof props.idlIdlExpected == "function") {
-        props.idlIdlExpected = props.idlTests.map(props.idlIdlExpected);
-    }
-}
-
-/**
- * Tests that the JavaScript attribute named idlName on the object idlObj
- * reflects the DOM attribute named domName on domObj.  The data argument is an
- * object that must contain at least one key, "type", which contains the
- * expected type of the IDL attribute ("string", "enum", etc.).  The "comment"
- * key will add a parenthesized comment in the type info if there's a test
- * failure, to indicate that there's something special about the element you're
- * testing (like it has an attribute set to some value).  Other keys in the
- * data object are type-specific, e.g., "defaultVal" for numeric types.  If the
- * data object is a string, it's converted to {"type": data}.  If idlObj is a
- * string, we set idlObj = domObj = document.createElement(idlObj).
- */
-ReflectionTests.reflects = function(data, idlName, idlObj, domName, domObj) {
-    // Do some setup first so that getTypeDescription() works in testWrapper()
-    if (typeof data == "string") {
-        data = {type: data};
-    }
-    if (domName === undefined) {
-        domName = idlName;
-    }
-    if (typeof idlObj == "string") {
-        idlObj = document.createElement(idlObj);
-    }
-    if (domObj === undefined) {
-        domObj = idlObj;
-    }
-
-    // Note: probably a hack?  This kind of assumes that the variables here
-    // won't change over the course of the tests, which is wrong, but it's
-    // probably safe enough.  Just don't read stuff that will change.
-    ReflectionHarness.currentTestInfo = {data: data, idlName: idlName, idlObj: idlObj, domName: domName, domObj: domObj};
-
-    ReflectionHarness.testWrapper(function() {
-        ReflectionTests.doReflects(data, idlName, idlObj, domName, domObj);
-    });
-};
-
-/**
- * Actual implementation of the above.
- */
-ReflectionTests.doReflects = function(data, idlName, idlObj, domName, domObj) {
-    // If we don't recognize the type, testing is impossible.
-    if (this.typeMap[data.type] === undefined) {
-        if (unimplemented.indexOf(data.type) == -1) {
-            unimplemented.push(data.type);
-        }
-        return;
-    }
-
-    var typeInfo = this.typeMap[data.type];
-
-    if (typeof data.isNullable == "undefined") {
-        data.isNullable = false;
-    }
-
-    // Test that typeof idlObj[idlName] is correct.  If not, further tests are
-    // probably pointless, so bail out.
-    var isDefaultValueNull = data.isNullable && data.defaultVal === null;
-    if (!ReflectionHarness.test(typeof idlObj[idlName], isDefaultValueNull ? "object" : typeInfo.jsType, "typeof IDL attribute")) {
-        return;
-    }
-
-    // Test default
-    var defaultVal = data.defaultVal;
-    if (defaultVal === undefined) {
-        defaultVal = typeInfo.defaultVal;
-    }
-    if (defaultVal !== null || data.isNullable) {
-        ReflectionHarness.test(idlObj[idlName], defaultVal, "IDL get with DOM attribute unset");
-    }
-
-    var domTests = typeInfo.domTests.slice(0);
-    var domExpected = typeInfo.domExpected.map(function(val) { return val === null ? defaultVal : val; });
-    var idlTests = typeInfo.idlTests.slice(0);
-    var idlDomExpected = typeInfo.idlDomExpected.map(function(val) { return val === null ? defaultVal : val; });
-    var idlIdlExpected = typeInfo.idlIdlExpected.map(function(val) { return val === null ? defaultVal : val; });
-    switch (data.type) {
-        // Extra tests and other special-casing
-        case "boolean":
-        domTests.push(domName);
-        domExpected.push(true);
-        break;
-
-        case "enum":
-        // Whee, enum is complicated.
-        if (typeof data.invalidVal == "undefined") {
-            data.invalidVal = defaultVal;
-        }
-        if (typeof data.nonCanon == "undefined") {
-            data.nonCanon = {};
-        }
-        for (var i = 0; i < data.keywords.length; i++) {
-            if (data.keywords[i] != "") {
-                domTests.push(data.keywords[i], "x" + data.keywords[i], data.keywords[i] + "\0");
-                idlTests.push(data.keywords[i], "x" + data.keywords[i], data.keywords[i] + "\0");
-            }
-
-            if (data.keywords[i].length > 1) {
-                domTests.push(data.keywords[i].slice(1));
-                idlTests.push(data.keywords[i].slice(1));
-            }
-
-            if (data.keywords[i] != data.keywords[i].toLowerCase()) {
-                domTests.push(data.keywords[i].toLowerCase());
-                idlTests.push(data.keywords[i].toLowerCase());
-            }
-            if (data.keywords[i] != data.keywords[i].toUpperCase()) {
-                domTests.push(data.keywords[i].toUpperCase());
-                idlTests.push(data.keywords[i].toUpperCase());
-            }
-        }
-
-        // Per spec, the expected DOM values are the same as the value we set
-        // it to.
-        if (!data.isNullable) {
-            idlDomExpected = idlTests.slice(0);
-        } else {
-            idlDomExpected = [];
-            for (var i = 0; i < idlTests.length; i++) {
-                idlDomExpected.push((idlTests[i] === null || idlTests[i] === undefined) ? null : idlTests[i]);
-            }
-        }
-
-        // Now we have the fun of calculating what the expected IDL values are.
-        domExpected = [];
-        idlIdlExpected = [];
-        for (var i = 0; i < domTests.length; i++) {
-            domExpected.push(this.enumExpected(data.keywords, data.nonCanon, data.invalidVal, domTests[i]));
-        }
-        for (var i = 0; i < idlTests.length; i++) {
-            if (data.isNullable && (idlTests[i] === null || idlTests[i] === undefined)) {
-                idlIdlExpected.push(null);
-            } else {
-                idlIdlExpected.push(this.enumExpected(data.keywords, data.nonCanon, data.invalidVal, idlTests[i]));
-            }
-        }
-        break;
-
-        case "string":
-        if ("treatNullAsEmptyString" in data) {
-            for (var i = 0; i < idlTests.length; i++) {
-                if (idlTests[i] === null) {
-                    idlDomExpected[i] = idlIdlExpected[i] = "";
-                }
-            }
-        }
-        break;
-    }
-    if (domObj.tagName.toLowerCase() == "canvas" && (domName == "width" || domName == "height")) {
-        // Opera tries to allocate a canvas with the given width and height, so
-        // it OOMs when given excessive sizes.  This is permissible under the
-        // hardware-limitations clause, so cut out those checks.  TODO: Must be
-        // a way to make this more succinct.
-        domTests = domTests.filter(function(element, index, array) { return domExpected[index] < 1000; });
-        domExpected = domExpected.filter(function(element, index, array) { return element < 1000; });
-        idlTests = idlTests.filter(function(element, index, array) { return idlIdlExpected[index] < 1000; });
-        idlDomExpected = idlDomExpected.filter(function(element, index, array) { return idlIdlExpected[index] < 1000; });
-        idlIdlExpected = idlIdlExpected.filter(function(element, index, array) { return idlIdlExpected[index] < 1000; });
-    }
-
-    if (!data.customGetter) {
-        for (var i = 0; i < domTests.length; i++) {
-            if (domExpected[i] === null && !data.isNullable) {
-                // If you follow all the complicated logic here, you'll find that
-                // this will only happen if there's no expected value at all (like
-                // for tabIndex, where the default is too complicated).  So skip
-                // the test.
-                continue;
-            }
-            try {
-                domObj.setAttribute(domName, domTests[i]);
-                ReflectionHarness.test(domObj.getAttribute(domName), String(domTests[i]), "setAttribute() to " + ReflectionHarness.stringRep(domTests[i]) + " followed by getAttribute()");
-                ReflectionHarness.test(idlObj[idlName], domExpected[i], "setAttribute() to " + ReflectionHarness.stringRep(domTests[i]) + " followed by IDL get");
-                if (ReflectionHarness.catchUnexpectedExceptions) {
-                    ReflectionHarness.success();
-                }
-            } catch (err) {
-                if (ReflectionHarness.catchUnexpectedExceptions) {
-                    ReflectionHarness.failure("Exception thrown during tests with setAttribute() to " + ReflectionHarness.stringRep(domTests[i]));
-                } else {
-                    throw err;
-                }
-            }
-        }
-    }
-
-    for (var i = 0; i < idlTests.length; i++) {
-        if ((data.type == "limited long" && idlTests[i] < 0) ||
-            (data.type == "limited unsigned long" && idlTests[i] == 0)) {
-            ReflectionHarness.testException("INDEX_SIZE_ERR", function() {
-                idlObj[idlName] = idlTests[i];
-            }, "IDL set to " + ReflectionHarness.stringRep(idlTests[i]) + " must throw INDEX_SIZE_ERR");
-        } else {
-            ReflectionHarness.run(function() {
-                idlObj[idlName] = idlTests[i];
-                if (data.type == "boolean") {
-                    // Special case yay
-                    ReflectionHarness.test(domObj.hasAttribute(domName), Boolean(idlTests[i]), "IDL set to " + ReflectionHarness.stringRep(idlTests[i]) + " followed by hasAttribute()");
-                } else if (idlDomExpected[i] !== null || data.isNullable) {
-                    var expected = idlDomExpected[i] + "";
-                    if (data.isNullable && idlDomExpected[i] === null) {
-                        expected = null;
-                    }
-                    ReflectionHarness.test(domObj.getAttribute(domName), expected, "IDL set to " + ReflectionHarness.stringRep(idlTests[i]) + " followed by getAttribute()");
-                }
-                if (idlIdlExpected[i] !== null || data.isNullable) {
-                    ReflectionHarness.test(idlObj[idlName], idlIdlExpected[i], "IDL set to " + ReflectionHarness.stringRep(idlTests[i]) + " followed by IDL get");
-                }
-                if (ReflectionHarness.catchUnexpectedExceptions) {
-                    ReflectionHarness.success();
-                }
-            }, "IDL set to " + ReflectionHarness.stringRep(idlTests[i]) + " should not throw");
-        }
-    }
-};
-
-/**
- * If we have an enumerated attribute limited to the array of values in
- * keywords, with nonCanon being a map of non-canonical values to their
- * canonical equivalents, and invalidVal being the invalid value default (or ""
- * for none), then what would we expect from an IDL get if the content
- * attribute is equal to contentVal?
- */
-ReflectionTests.enumExpected = function(keywords, nonCanon, invalidVal, contentVal) {
-    var ret = invalidVal;
-    for (var i = 0; i < keywords.length; i++) {
-        if (String(contentVal).toLowerCase() == keywords[i].toLowerCase()) {
-            ret = keywords[i];
-            break;
-        }
-    }
-    if (typeof nonCanon[ret] != "undefined") {
-        return nonCanon[ret];
-    }
-    return ret;
-};
-
-/**
- * Now we have the data structures that tell us which elements have which
- * attributes.
- *
- * The elements object (which must have been defined in earlier files) is a map
- * from element name to an object whose keys are IDL attribute names and whose
- * values are types.  A type is of the same format as
- * ReflectionTests.reflects() accepts, except that there's an extra optional
- * domAttrName key that gets passed as the fourth argument to reflects() if
- * it's provided.  (TODO: drop the fourth and fifth reflects() arguments and
- * make it take them from the dictionary instead?)
- */
-
-// Now we actually run all the tests.
-var unimplemented = [];
-for (var element in elements) {
-    ReflectionTests.reflects("string", "title", element);
-    ReflectionTests.reflects("string", "lang", element);
-    ReflectionTests.reflects({type: "enum", keywords: ["ltr", "rtl", "auto"]}, "dir", element);
-    ReflectionTests.reflects("string", "className", element, "class");
-    ReflectionTests.reflects("tokenlist", "classList", element, "class");
-    ReflectionTests.reflects("boolean", "hidden", element);
-    ReflectionTests.reflects("string", "accessKey", element);
-    // Don't try to test the defaultVal -- it should be either 0 or -1, but the
-    // rules are complicated, and a lot of them are SHOULDs.
-    ReflectionTests.reflects({type: "long", defaultVal: null}, "tabIndex", element);
-    // TODO: classList, contextMenu, itemProp, itemRef, dropzone (require
-    // tokenlist support)
-
-    for (var idlAttrName in elements[element]) {
-        var type = elements[element][idlAttrName];
-        ReflectionTests.reflects(type, idlAttrName, element,
-            typeof type == "object" && "domAttrName" in type ? type.domAttrName : idlAttrName);
-    }
-}
-
-for (var i = 0; i < extraTests.length; i++) {
-    extraTests[i]();
-}
-
-var time = document.getElementById("time");
-if (time) {
-    time.innerHTML = (new Date().getTime() - ReflectionTests.start)/1000;
-}
-
-if (unimplemented.length) {
-    var p = document.createElement("p");
-    p.textContent = "(Note: missing tests for types " + unimplemented.join(", ") + ".)";
-    document.body.appendChild(p);
-}