From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- memory/replace/dmd/test/test_dmd.js | 226 ++++++++++++++++++++++++++++++++++++ 1 file changed, 226 insertions(+) create mode 100644 memory/replace/dmd/test/test_dmd.js (limited to 'memory/replace/dmd/test/test_dmd.js') diff --git a/memory/replace/dmd/test/test_dmd.js b/memory/replace/dmd/test/test_dmd.js new file mode 100644 index 000000000..b9d4b90dd --- /dev/null +++ b/memory/replace/dmd/test/test_dmd.js @@ -0,0 +1,226 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-*/ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +"use strict"; + +var {classes: Cc, interfaces: Ci, utils: Cu} = Components + +Cu.import("resource://gre/modules/FileUtils.jsm"); + +// The xpcshell test harness sets PYTHON so we can read it here. +var gEnv = Cc["@mozilla.org/process/environment;1"] + .getService(Ci.nsIEnvironment); +var gPythonName = gEnv.get("PYTHON"); + +// If we're testing locally, the executable file is in "CurProcD". Otherwise, +// it is in another location that we have to find. +function getExecutable(aFilename) { + let file = FileUtils.getFile("CurProcD", [aFilename]); + if (!file.exists()) { + file = FileUtils.getFile("CurWorkD", []); + while (file.path.includes("xpcshell")) { + file = file.parent; + } + file.append("bin"); + file.append(aFilename); + } + return file; +} + +var gIsWindows = Cc["@mozilla.org/xre/app-info;1"] + .getService(Ci.nsIXULRuntime).OS === "WINNT"; +var gDmdTestFile = getExecutable("SmokeDMD" + (gIsWindows ? ".exe" : "")); + +var gDmdScriptFile = getExecutable("dmd.py"); + +var gScanTestFile = FileUtils.getFile("CurWorkD", ["scan-test.py"]); + +function readFile(aFile) { + let fstream = Cc["@mozilla.org/network/file-input-stream;1"] + .createInstance(Ci.nsIFileInputStream); + let cstream = Cc["@mozilla.org/intl/converter-input-stream;1"] + .createInstance(Ci.nsIConverterInputStream); + fstream.init(aFile, -1, 0, 0); + cstream.init(fstream, "UTF-8", 0, 0); + + let data = ""; + let str = {}; + let read = 0; + do { + // Read as much as we can and put it in str.value. + read = cstream.readString(0xffffffff, str); + data += str.value; + } while (read != 0); + + cstream.close(); // this closes fstream + return data.replace(/\r/g, ""); // normalize line endings +} + +function runProcess(aExeFile, aArgs) { + let process = Cc["@mozilla.org/process/util;1"] + .createInstance(Components.interfaces.nsIProcess); + process.init(aExeFile); + process.run(/* blocking = */true, aArgs, aArgs.length); + return process.exitValue; +} + +function test(aPrefix, aArgs) { + // DMD writes the JSON files to CurWorkD, so we do likewise here with + // |actualFile| for consistency. It is removed once we've finished. + let expectedFile = FileUtils.getFile("CurWorkD", [aPrefix + "-expected.txt"]); + let actualFile = FileUtils.getFile("CurWorkD", [aPrefix + "-actual.txt"]); + + // Run dmd.py on the JSON file, producing |actualFile|. + + let args = [ + gDmdScriptFile.path, + "--filter-stacks-for-testing", + "-o", actualFile.path + ].concat(aArgs); + + runProcess(new FileUtils.File(gPythonName), args); + + // Compare |expectedFile| with |actualFile|. We produce nice diffs with + // /usr/bin/diff on systems that have it (Mac and Linux). Otherwise (Windows) + // we do a string compare of the file contents and then print them both if + // they don't match. + + let success; + try { + let rv = runProcess(new FileUtils.File("/usr/bin/diff"), + ["-u", expectedFile.path, actualFile.path]); + success = rv == 0; + + } catch (e) { + let expectedData = readFile(expectedFile); + let actualData = readFile(actualFile); + success = expectedData === actualData; + if (!success) { + expectedData = expectedData.split("\n"); + actualData = actualData.split("\n"); + for (let i = 0; i < expectedData.length; i++) { + print("EXPECTED:" + expectedData[i]); + } + for (let i = 0; i < actualData.length; i++) { + print(" ACTUAL:" + actualData[i]); + } + } + } + + ok(success, aPrefix); + + actualFile.remove(true); +} + +// Run scan-test.py on the JSON file and see if it succeeds. +function scanTest(aJsonFilePath, aExtraArgs) { + let args = [ + gScanTestFile.path, + aJsonFilePath, + ].concat(aExtraArgs); + + return runProcess(new FileUtils.File(gPythonName), args) == 0; +} + +function run_test() { + let jsonFile, jsonFile2; + + // These tests do complete end-to-end testing of DMD, i.e. both the C++ code + // that generates the JSON output, and the script that post-processes that + // output. + // + // Run these synchronously, because test() updates the complete*.json files + // in-place (to fix stacks) when it runs dmd.py, and that's not safe to do + // asynchronously. + + gEnv.set(gEnv.get("DMD_PRELOAD_VAR"), gEnv.get("DMD_PRELOAD_VALUE")); + + runProcess(gDmdTestFile, []); + + function test2(aTestName, aMode) { + let name = "complete-" + aTestName + "-" + aMode; + jsonFile = FileUtils.getFile("CurWorkD", [name + ".json"]); + test(name, [jsonFile.path]); + jsonFile.remove(true); + } + + // Please keep this in sync with RunTests() in SmokeDMD.cpp. + + test2("empty", "live"); + test2("empty", "dark-matter"); + test2("empty", "cumulative"); + + test2("full1", "live"); + test2("full1", "dark-matter"); + + test2("full2", "dark-matter"); + test2("full2", "cumulative"); + + test2("partial", "live"); + + // Heap scan testing. + jsonFile = FileUtils.getFile("CurWorkD", ["basic-scan.json"]); + ok(scanTest(jsonFile.path), "Basic scan test"); + + let is64Bit = Components.classes["@mozilla.org/xre/app-info;1"] + .getService(Components.interfaces.nsIXULRuntime).is64Bit; + let basicScanFileName = "basic-scan-" + (is64Bit ? "64" : "32"); + test(basicScanFileName, ["--clamp-contents", jsonFile.path]); + ok(scanTest(jsonFile.path, ["--clamp-contents"]), "Scan with address clamping"); + + // Run the generic test a second time to ensure that the first time produced + // valid JSON output. "--clamp-contents" is passed in so we don't have to have + // more variants of the files. + test(basicScanFileName, ["--clamp-contents", jsonFile.path]); + jsonFile.remove(true); + + // These tests only test the post-processing script. They use hand-written + // JSON files as input. Ideally the JSON files would contain comments + // explaining how they work, but JSON doesn't allow comments, so I've put + // explanations here. + + // This just tests that stack traces of various lengths are truncated + // appropriately. The number of records in the output is different for each + // of the tested values. + jsonFile = FileUtils.getFile("CurWorkD", ["script-max-frames.json"]); + test("script-max-frames-8", + ["--max-frames=8", jsonFile.path]); + test("script-max-frames-3", + ["--max-frames=3", "--no-fix-stacks", jsonFile.path]); + test("script-max-frames-1", + ["--max-frames=1", jsonFile.path]); + + // This file has three records that are shown in a different order for each + // of the different sort values. It also tests the handling of gzipped JSON + // files. + jsonFile = FileUtils.getFile("CurWorkD", ["script-sort-by.json.gz"]); + test("script-sort-by-usable", + ["--sort-by=usable", jsonFile.path]); + test("script-sort-by-req", + ["--sort-by=req", "--no-fix-stacks", jsonFile.path]); + test("script-sort-by-slop", + ["--sort-by=slop", jsonFile.path]); + test("script-sort-by-num-blocks", + ["--sort-by=num-blocks", jsonFile.path]); + + // This file has several real stack traces taken from Firefox execution, each + // of which tests a different allocator function (or functions). + jsonFile = FileUtils.getFile("CurWorkD", ["script-ignore-alloc-fns.json"]); + test("script-ignore-alloc-fns", + ["--ignore-alloc-fns", jsonFile.path]); + + // This tests "live"-mode diffs. + jsonFile = FileUtils.getFile("CurWorkD", ["script-diff-live1.json"]); + jsonFile2 = FileUtils.getFile("CurWorkD", ["script-diff-live2.json"]); + test("script-diff-live", + [jsonFile.path, jsonFile2.path]); + + // This tests "dark-matter"-mode diffs. + jsonFile = FileUtils.getFile("CurWorkD", ["script-diff-dark-matter1.json"]); + jsonFile2 = FileUtils.getFile("CurWorkD", ["script-diff-dark-matter2.json"]); + test("script-diff-dark-matter", + [jsonFile.path, jsonFile2.path]); +} -- cgit v1.2.3