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diff --git a/contexts/data/lib/closure-library/closure/goog/testing/fs/filereader.js b/contexts/data/lib/closure-library/closure/goog/testing/fs/filereader.js
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--- a/contexts/data/lib/closure-library/closure/goog/testing/fs/filereader.js
+++ /dev/null
@@ -1,272 +0,0 @@
-// Copyright 2011 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview Mock FileReader object.
- *
- */
-
-goog.provide('goog.testing.fs.FileReader');
-
-goog.require('goog.Timer');
-goog.require('goog.events.EventTarget');
-goog.require('goog.fs.Error');
-goog.require('goog.fs.FileReader.EventType');
-goog.require('goog.fs.FileReader.ReadyState');
-goog.require('goog.testing.fs.File');
-goog.require('goog.testing.fs.ProgressEvent');
-
-
-
-/**
- * A mock FileReader object. This emits the same events as
- * {@link goog.fs.FileReader}.
- *
- * @constructor
- * @extends {goog.events.EventTarget}
- */
-goog.testing.fs.FileReader = function() {
- goog.base(this);
-
- /**
- * The current state of the reader.
- * @type {goog.fs.FileReader.ReadyState}
- * @private
- */
- this.readyState_ = goog.fs.FileReader.ReadyState.INIT;
-};
-goog.inherits(goog.testing.fs.FileReader, goog.events.EventTarget);
-
-
-/**
- * The most recent error experienced by this reader.
- * @type {goog.fs.Error}
- * @private
- */
-goog.testing.fs.FileReader.prototype.error_;
-
-
-/**
- * Whether the current operation has been aborted.
- * @type {boolean}
- * @private
- */
-goog.testing.fs.FileReader.prototype.aborted_ = false;
-
-
-/**
- * The blob this reader is reading from.
- * @type {goog.testing.fs.Blob}
- * @private
- */
-goog.testing.fs.FileReader.prototype.blob_;
-
-
-/**
- * The possible return types.
- * @enum {number}
- */
-goog.testing.fs.FileReader.ReturnType = {
- /**
- * Used when reading as text.
- */
- TEXT: 1,
-
- /**
- * Used when reading as binary string.
- */
- BINARY_STRING: 2,
-
- /**
- * Used when reading as array buffer.
- */
- ARRAY_BUFFER: 3,
-
- /**
- * Used when reading as data URL.
- */
- DATA_URL: 4
-};
-
-
-/**
- * The return type we're reading.
- * @type {goog.testing.fs.FileReader.ReturnType}
- * @private
- */
-goog.testing.fs.FileReader.returnType_;
-
-
-/**
- * @see {goog.fs.FileReader#getReadyState}
- * @return {goog.fs.FileReader.ReadyState} The current ready state.
- */
-goog.testing.fs.FileReader.prototype.getReadyState = function() {
- return this.readyState_;
-};
-
-
-/**
- * @see {goog.fs.FileReader#getError}
- * @return {goog.fs.Error} The current error.
- */
-goog.testing.fs.FileReader.prototype.getError = function() {
- return this.error_;
-};
-
-
-/**
- * @see {goog.fs.FileReader#abort}
- */
-goog.testing.fs.FileReader.prototype.abort = function() {
- if (this.readyState_ != goog.fs.FileReader.ReadyState.LOADING) {
- var msg = 'aborting read';
- throw new goog.fs.Error(goog.fs.Error.ErrorCode.INVALID_STATE, msg);
- }
-
- this.aborted_ = true;
-};
-
-
-/**
- * @see {goog.fs.FileReader#getResult}
- * @return {*} The result of the file read.
- */
-goog.testing.fs.FileReader.prototype.getResult = function() {
- if (this.readyState_ != goog.fs.FileReader.ReadyState.DONE) {
- return undefined;
- }
- if (this.error_) {
- return undefined;
- }
- if (this.returnType_ == goog.testing.fs.FileReader.ReturnType.TEXT) {
- return this.blob_.toString();
- } else if (this.returnType_ ==
- goog.testing.fs.FileReader.ReturnType.ARRAY_BUFFER) {
- return this.blob_.toArrayBuffer();
- } else if (this.returnType_ ==
- goog.testing.fs.FileReader.ReturnType.BINARY_STRING) {
- return this.blob_.toString();
- } else if (this.returnType_ ==
- goog.testing.fs.FileReader.ReturnType.DATA_URL) {
- return this.blob_.toDataUrl();
- } else {
- return undefined;
- }
-};
-
-
-/**
- * Fires the read events.
- * @param {!goog.testing.fs.Blob} blob The blob to read from.
- * @private
- */
-goog.testing.fs.FileReader.prototype.read_ = function(blob) {
- this.blob_ = blob;
- if (this.readyState_ == goog.fs.FileReader.ReadyState.LOADING) {
- var msg = 'reading file';
- throw new goog.fs.Error(goog.fs.Error.ErrorCode.INVALID_STATE, msg);
- }
-
- this.readyState_ = goog.fs.FileReader.ReadyState.LOADING;
- goog.Timer.callOnce(function() {
- if (this.aborted_) {
- this.abort_(blob.size);
- return;
- }
-
- this.progressEvent_(goog.fs.FileReader.EventType.LOAD_START, 0, blob.size);
- this.progressEvent_(goog.fs.FileReader.EventType.LOAD, blob.size / 2,
- blob.size);
- this.progressEvent_(goog.fs.FileReader.EventType.LOAD, blob.size,
- blob.size);
- this.readyState_ = goog.fs.FileReader.ReadyState.DONE;
- this.progressEvent_(goog.fs.FileReader.EventType.LOAD, blob.size,
- blob.size);
- this.progressEvent_(goog.fs.FileReader.EventType.LOAD_END, blob.size,
- blob.size);
- }, 0, this);
-};
-
-
-/**
- * @see {goog.fs.FileReader#readAsBinaryString}
- * @param {!goog.testing.fs.Blob} blob The blob to read.
- */
-goog.testing.fs.FileReader.prototype.readAsBinaryString = function(blob) {
- this.returnType_ = goog.testing.fs.FileReader.ReturnType.BINARY_STRING;
- this.read_(blob);
-};
-
-
-/**
- * @see {goog.fs.FileReader#readAsArrayBuffer}
- * @param {!goog.testing.fs.Blob} blob The blob to read.
- */
-goog.testing.fs.FileReader.prototype.readAsArrayBuffer = function(blob) {
- this.returnType_ = goog.testing.fs.FileReader.ReturnType.ARRAY_BUFFER;
- this.read_(blob);
-};
-
-
-/**
- * @see {goog.fs.FileReader#readAsText}
- * @param {!goog.testing.fs.Blob} blob The blob to read.
- * @param {string=} opt_encoding The name of the encoding to use.
- */
-goog.testing.fs.FileReader.prototype.readAsText = function(blob, opt_encoding) {
- this.returnType_ = goog.testing.fs.FileReader.ReturnType.TEXT;
- this.read_(blob);
-};
-
-
-/**
- * @see {goog.fs.FileReader#readAsDataUrl}
- * @param {!goog.testing.fs.Blob} blob The blob to read.
- */
-goog.testing.fs.FileReader.prototype.readAsDataUrl = function(blob) {
- this.returnType_ = goog.testing.fs.FileReader.ReturnType.DATA_URL;
- this.read_(blob);
-};
-
-
-/**
- * Abort the current action and emit appropriate events.
- *
- * @param {number} total The total data that was to be processed, in bytes.
- * @private
- */
-goog.testing.fs.FileReader.prototype.abort_ = function(total) {
- this.error_ = new goog.fs.Error(
- goog.fs.Error.ErrorCode.ABORT, 'reading file');
- this.progressEvent_(goog.fs.FileReader.EventType.ERROR, 0, total);
- this.progressEvent_(goog.fs.FileReader.EventType.ABORT, 0, total);
- this.readyState_ = goog.fs.FileReader.ReadyState.DONE;
- this.progressEvent_(goog.fs.FileReader.EventType.LOAD_END, 0, total);
- this.aborted_ = false;
-};
-
-
-/**
- * Dispatch a progress event.
- *
- * @param {goog.fs.FileReader.EventType} type The event type.
- * @param {number} loaded The number of bytes processed.
- * @param {number} total The total data that was to be processed, in bytes.
- * @private
- */
-goog.testing.fs.FileReader.prototype.progressEvent_ = function(type, loaded,
- total) {
- this.dispatchEvent(new goog.testing.fs.ProgressEvent(type, loaded, total));
-};