summaryrefslogtreecommitdiffstats
path: root/addon-sdk/source/test/test-text-streams.js
diff options
context:
space:
mode:
authorMatt A. Tobin <email@mattatobin.com>2018-02-10 02:51:36 -0500
committerMatt A. Tobin <email@mattatobin.com>2018-02-10 02:51:36 -0500
commit37d5300335d81cecbecc99812747a657588c63eb (patch)
tree765efa3b6a56bb715d9813a8697473e120436278 /addon-sdk/source/test/test-text-streams.js
parentb2bdac20c02b12f2057b9ef70b0a946113a00e00 (diff)
parent4fb11cd5966461bccc3ed1599b808237be6b0de9 (diff)
downloadUXP-37d5300335d81cecbecc99812747a657588c63eb.tar
UXP-37d5300335d81cecbecc99812747a657588c63eb.tar.gz
UXP-37d5300335d81cecbecc99812747a657588c63eb.tar.lz
UXP-37d5300335d81cecbecc99812747a657588c63eb.tar.xz
UXP-37d5300335d81cecbecc99812747a657588c63eb.zip
Merge branch 'ext-work'
Diffstat (limited to 'addon-sdk/source/test/test-text-streams.js')
-rw-r--r--addon-sdk/source/test/test-text-streams.js154
1 files changed, 0 insertions, 154 deletions
diff --git a/addon-sdk/source/test/test-text-streams.js b/addon-sdk/source/test/test-text-streams.js
deleted file mode 100644
index c7691fd54..000000000
--- a/addon-sdk/source/test/test-text-streams.js
+++ /dev/null
@@ -1,154 +0,0 @@
-/* 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/. */
-
-const file = require("sdk/io/file");
-const { pathFor } = require("sdk/system");
-const { Loader } = require("sdk/test/loader");
-
-const STREAM_CLOSED_ERROR = new RegExp("The stream is closed and cannot be used.");
-
-// This should match the constant of the same name in text-streams.js.
-const BUFFER_BYTE_LEN = 0x8000;
-
-exports.testWriteRead = function (assert) {
- let fname = dataFileFilename();
-
- // Write a small string less than the stream's buffer size...
- let str = "exports.testWriteRead data!";
- let stream = file.open(fname, "w");
- assert.ok(!stream.closed, "stream.closed after open should be false");
- stream.write(str);
- stream.close();
- assert.ok(stream.closed, "stream.closed after close should be true");
- assert.throws(() => stream.close(),
- STREAM_CLOSED_ERROR,
- "stream.close after already closed should raise error");
- assert.throws(() => stream.write("This shouldn't be written!"),
- STREAM_CLOSED_ERROR,
- "stream.write after close should raise error");
-
- // ... and read it.
- stream = file.open(fname);
- assert.ok(!stream.closed, "stream.closed after open should be false");
- assert.equal(stream.read(), str,
- "stream.read should return string written");
- assert.equal(stream.read(), "",
- "stream.read at EOS should return empty string");
- stream.close();
- assert.ok(stream.closed, "stream.closed after close should be true");
- assert.throws(() => stream.close(),
- STREAM_CLOSED_ERROR,
- "stream.close after already closed should raise error");
- assert.throws(() => stream.read(),
- STREAM_CLOSED_ERROR,
- "stream.read after close should raise error");
-
- // Write a big string many times the size of the stream's buffer and read it.
- // Since it comes after the previous test, this also ensures that the file is
- // truncated when it's opened for writing.
- str = "";
- let bufLen = BUFFER_BYTE_LEN;
- let fileSize = bufLen * 10;
- for (let i = 0; i < fileSize; i++)
- str += i % 10;
- stream = file.open(fname, "w");
- stream.write(str);
- stream.close();
- stream = file.open(fname);
- assert.equal(stream.read(), str,
- "stream.read should return string written");
- stream.close();
-
- // The same, but write and read in chunks.
- stream = file.open(fname, "w");
- let i = 0;
- while (i < str.length) {
- // Use a chunk length that spans buffers.
- let chunk = str.substr(i, bufLen + 1);
- stream.write(chunk);
- i += bufLen + 1;
- }
- stream.close();
- stream = file.open(fname);
- let readStr = "";
- bufLen = BUFFER_BYTE_LEN;
- let readLen = bufLen + 1;
- do {
- var frag = stream.read(readLen);
- readStr += frag;
- } while (frag);
- stream.close();
- assert.equal(readStr, str,
- "stream.write and read in chunks should work as expected");
-
- // Read the same file, passing in strange numbers of bytes to read.
- stream = file.open(fname);
- assert.equal(stream.read(fileSize * 100), str,
- "stream.read with big byte length should return string " +
- "written");
- stream.close();
-
- stream = file.open(fname);
- assert.equal(stream.read(0), "",
- "string.read with zero byte length should return empty " +
- "string");
- stream.close();
-
- stream = file.open(fname);
- assert.equal(stream.read(-1), "",
- "string.read with negative byte length should return " +
- "empty string");
- stream.close();
-
- file.remove(fname);
-};
-
-exports.testWriteAsync = function (assert, done) {
- let fname = dataFileFilename();
- let str = "exports.testWriteAsync data!";
- let stream = file.open(fname, "w");
- assert.ok(!stream.closed, "stream.closed after open should be false");
-
- // Write.
- stream.writeAsync(str, function (err) {
- assert.equal(this, stream, "|this| should be the stream object");
- assert.equal(err, undefined,
- "stream.writeAsync should not cause error");
- assert.ok(stream.closed, "stream.closed after write should be true");
- assert.throws(() => stream.close(),
- STREAM_CLOSED_ERROR,
- "stream.close after already closed should raise error");
- assert.throws(() => stream.writeAsync("This shouldn't work!"),
- STREAM_CLOSED_ERROR,
- "stream.writeAsync after close should raise error");
-
- // Read.
- stream = file.open(fname, "r");
- assert.ok(!stream.closed, "stream.closed after open should be false");
- let readStr = stream.read();
- assert.equal(readStr, str,
- "string.read should yield string written");
- stream.close();
- file.remove(fname);
- done();
- });
-};
-
-exports.testUnload = function (assert) {
- let loader = Loader(module);
- let file = loader.require("sdk/io/file");
-
- let filename = dataFileFilename("temp");
- let stream = file.open(filename, "w");
-
- loader.unload();
- assert.ok(stream.closed, "stream should be closed after module unload");
-};
-
-// Returns the name of a file that should be used to test writing and reading.
-function dataFileFilename() {
- return file.join(pathFor("ProfD"), "test-text-streams-data");
-}
-
-require('sdk/test').run(exports);