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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/indexedDB/test/unit/test_wasm_recompile.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/indexedDB/test/unit/test_wasm_recompile.js')
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diff --git a/dom/indexedDB/test/unit/test_wasm_recompile.js b/dom/indexedDB/test/unit/test_wasm_recompile.js
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+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+var testGenerator = testSteps();
+
+function testSteps()
+{
+ const name = "test_wasm_recompile.js";
+
+ const objectStoreName = "Wasm";
+
+ const wasmData = { key: 1, wasm: null };
+
+ // The goal of this test is to prove that wasm is recompiled and the on-disk
+ // copy updated.
+
+ if (!isWasmSupported()) {
+ finishTest();
+ yield undefined;
+ }
+
+ getWasmBinary('(module (func (nop)))');
+ let binary = yield undefined;
+
+ wasmData.wasm = getWasmModule(binary);
+
+ info("Installing profile");
+
+ clearAllDatabases(continueToNextStepSync);
+ yield undefined;
+
+ // The profile was created by an older build (buildId: 20161116145318,
+ // cpuId: X64=0x2). It contains one stored wasm module (file id 1 - bytecode
+ // and file id 2 - compiled/machine code). The file create_db.js in the
+ // package was run locally (specifically it was temporarily added to
+ // xpcshell-parent-process.ini and then executed:
+ // mach xpcshell-test dom/indexedDB/test/unit/create_db.js
+ installPackagedProfile("wasm_recompile_profile");
+
+ let filesDir = getChromeFilesDir();
+
+ let file = filesDir.clone();
+ file.append("2");
+
+ info("Reading out contents of compiled blob");
+
+ let fileReader = new FileReader();
+ fileReader.onload = continueToNextStepSync;
+ fileReader.readAsArrayBuffer(File.createFromNsIFile(file));
+
+ yield undefined;
+
+ let compiledBuffer = fileReader.result;
+
+ info("Opening database");
+
+ let request = indexedDB.open(name);
+ request.onerror = errorHandler;
+ request.onupgradeneeded = unexpectedSuccessHandler;
+ request.onsuccess = continueToNextStepSync;
+ yield undefined;
+
+ // success
+ let db = request.result;
+ db.onerror = errorHandler;
+
+ info("Getting wasm");
+
+ request = db.transaction([objectStoreName])
+ .objectStore(objectStoreName).get(wasmData.key);
+ request.onsuccess = continueToNextStepSync;
+ yield undefined;
+
+ info("Verifying wasm module");
+
+ verifyWasmModule(request.result, wasmData.wasm);
+ yield undefined;
+
+ info("Reading out contents of new compiled blob");
+
+ fileReader = new FileReader();
+ fileReader.onload = continueToNextStepSync;
+ fileReader.readAsArrayBuffer(File.createFromNsIFile(file));
+
+ yield undefined;
+
+ let newCompiledBuffer = fileReader.result;
+
+ info("Verifying blobs differ");
+
+ ok(!compareBuffers(newCompiledBuffer, compiledBuffer), "Blobs differ");
+
+ info("Getting wasm again");
+
+ request = db.transaction([objectStoreName])
+ .objectStore(objectStoreName).get(wasmData.key);
+ request.onsuccess = continueToNextStepSync;
+ yield undefined;
+
+ info("Verifying wasm module");
+
+ verifyWasmModule(request.result, wasmData.wasm);
+ yield undefined;
+
+ info("Reading contents of new compiled blob again");
+
+ fileReader = new FileReader();
+ fileReader.onload = continueToNextStepSync;
+ fileReader.readAsArrayBuffer(File.createFromNsIFile(file));
+
+ yield undefined;
+
+ let newCompiledBuffer2 = fileReader.result;
+
+ info("Verifying blob didn't change");
+
+ ok(compareBuffers(newCompiledBuffer2, newCompiledBuffer),
+ "Blob didn't change");
+
+ finishTest();
+ yield undefined;
+}