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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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xpcom/tests/unit/test_streams.js Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
var Ci = Components.interfaces;
var Cr = Components.results;
var CC = Components.Constructor;
var Pipe = CC("@mozilla.org/pipe;1",
"nsIPipe",
"init");
var BinaryOutput = CC("@mozilla.org/binaryoutputstream;1",
"nsIBinaryOutputStream",
"setOutputStream");
var BinaryInput = CC("@mozilla.org/binaryinputstream;1",
"nsIBinaryInputStream",
"setInputStream");
/**
* Binary stream tests.
*/
function test_binary_streams() {
var p, is, os;
p = new Pipe(false, false, 1024, 1, null);
is = new BinaryInput(p.inputStream);
os = new BinaryOutput(p.outputStream);
const LargeNum = Math.pow(2, 18) + Math.pow(2, 12) + 1;
const HugeNum = Math.pow(2, 62);
const HelloStr = "Hello World";
const HelloArray = Array.map(HelloStr, function(c) {return c.charCodeAt(0)});
var countObj = {};
var msg = {};
var buffer = new ArrayBuffer(HelloArray.length);
// Test reading immediately after writing.
os.writeBoolean(true);
do_check_eq(is.readBoolean(), true);
os.write8(4);
do_check_eq(is.read8(), 4);
os.write16(4);
do_check_eq(is.read16(), 4);
os.write16(1024);
do_check_eq(is.read16(), 1024);
os.write32(7);
do_check_eq(is.read32(), 7);
os.write32(LargeNum);
do_check_eq(is.read32(), LargeNum);
os.write64(LargeNum);
do_check_eq(is.read64(), LargeNum);
os.write64(1024);
do_check_eq(is.read64(), 1024);
os.write64(HugeNum);
do_check_eq(is.read64(), HugeNum);
os.writeFloat(2.5);
do_check_eq(is.readFloat(), 2.5);
// os.writeDouble(Math.SQRT2);
// do_check_eq(is.readDouble(), Math.SQRT2);
os.writeStringZ("Mozilla");
do_check_eq(is.readCString(), "Mozilla");
os.writeWStringZ("Gecko");
do_check_eq(is.readString(), "Gecko");
os.writeBytes(HelloStr, HelloStr.length);
do_check_eq(is.available(), HelloStr.length);
msg = is.readBytes(HelloStr.length);
do_check_eq(msg, HelloStr);
msg = null;
countObj.value = -1;
os.writeByteArray(HelloArray, HelloArray.length);
do_check_eq(is.available(), HelloStr.length);
msg = is.readByteArray(HelloStr.length)
do_check_eq(typeof msg, typeof HelloArray);
do_check_eq(msg.toSource(), HelloArray.toSource());
do_check_eq(is.available(), 0);
os.writeByteArray(HelloArray, HelloArray.length);
do_check_eq(is.readArrayBuffer(buffer.byteLength, buffer), HelloArray.length);
do_check_eq([...(new Uint8Array(buffer))].toSource(), HelloArray.toSource());
do_check_eq(is.available(), 0);
// Test writing in one big chunk.
os.writeBoolean(true);
os.write8(4);
os.write16(4);
os.write16(1024);
os.write32(7);
os.write32(LargeNum);
os.write64(LargeNum);
os.write64(1024);
os.write64(HugeNum);
os.writeFloat(2.5);
// os.writeDouble(Math.SQRT2);
os.writeStringZ("Mozilla");
os.writeWStringZ("Gecko");
os.writeBytes(HelloStr, HelloStr.length);
os.writeByteArray(HelloArray, HelloArray.length);
// Available should not be zero after a long write like this.
do_check_neq(is.available(), 0);
// Test reading in one big chunk.
do_check_eq(is.readBoolean(), true);
do_check_eq(is.read8(), 4);
do_check_eq(is.read16(), 4);
do_check_eq(is.read16(), 1024);
do_check_eq(is.read32(), 7);
do_check_eq(is.read32(), LargeNum);
do_check_eq(is.read64(), LargeNum);
do_check_eq(is.read64(), 1024);
do_check_eq(is.read64(), HugeNum);
do_check_eq(is.readFloat(), 2.5);
// do_check_eq(is.readDouble(), Math.SQRT2);
do_check_eq(is.readCString(), "Mozilla");
do_check_eq(is.readString(), "Gecko");
// Remember, we wrote HelloStr twice - once as a string, and then as an array.
do_check_eq(is.available(), HelloStr.length * 2);
msg = is.readBytes(HelloStr.length);
do_check_eq(msg, HelloStr);
msg = null;
countObj.value = -1;
do_check_eq(is.available(), HelloStr.length);
msg = is.readByteArray(HelloStr.length)
do_check_eq(typeof msg, typeof HelloArray);
do_check_eq(msg.toSource(), HelloArray.toSource());
do_check_eq(is.available(), 0);
// Test for invalid actions.
os.close();
is.close();
try {
os.writeBoolean(false);
do_throw("Not reached!");
} catch (e if (e instanceof Ci.nsIException &&
e.result == Cr.NS_BASE_STREAM_CLOSED)) {
// do nothing
}
try {
is.available();
do_throw("Not reached!");
} catch (e if (e instanceof Ci.nsIException &&
e.result == Cr.NS_BASE_STREAM_CLOSED)) {
// do nothing
}
try {
is.readBoolean();
do_throw("Not reached!");
} catch (e if (e instanceof Ci.nsIException &&
e.result == Cr.NS_ERROR_FAILURE)) {
// do nothing
}
}
function run_test() {
test_binary_streams();
}