blob: 076e27a4c65e59eda698c20781e25fc1ef7222d3 [file] [log] [blame]
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import "dart:convert";
import "dart:io";
import "package:expect/expect.dart";
import "package:path/path.dart" as path;
import "use_flag_test_helper.dart";
main(List<String> args) async {
if (!isAOTRuntime) {
return; // Running in JIT: AOT binaries not available.
if (Platform.isAndroid) {
return; // SDK tree not available on the test device.
// These are the tools we need to be available to run on a given platform:
if (!File(platformDill).existsSync()) {
throw "Cannot run test as $platformDill does not exist";
if (!await testExecutable(genSnapshot)) {
throw "Cannot run test as $genSnapshot not available";
sanitizedPartitioning(manifest) {
// Filter core libraries, relativize URIs, and sort to make the results less
// sensitive to compiler or test harness changes.
var units = <List<String>>[];
for (var unit in manifest['loadingUnits']) {
var uris = <String>[];
for (var uri in unit['libraries']) {
if (uri.startsWith("dart:")) continue;
units.sort((a, b) => a.first.compareTo(b.first));
return units;
await withTempDir("split-literals-test", (String tempDir) async {
final source =
path.join(sdkDir, "runtime/tests/vm/dart_2/split_literals.dart");
final dill = path.join(tempDir, "split_literals.dart.dill");
final snapshot = path.join(tempDir, "");
final manifest = path.join(tempDir, "split_literals.txt");
final deferredSnapshot = snapshot + "";
// Compile source to kernel.
await run(genKernel, <String>[
// Compile kernel to ELF.
await run(genSnapshot, <String>[
"--use_bare_instructions=false", //# object: ok
"--use_bare_instructions=true", //# bare: ok
var manifestContent = jsonDecode(await new File(manifest).readAsString());
Expect.equals(2, manifestContent["loadingUnits"].length);
// Note package:expect doesn't do deep equals on collections.
" [split_literals_deferred.dart]]",
Expect.isTrue(await new File(deferredSnapshot).exists());
bool containsSubsequence(haystack, needle) {
for (var i = 0, n = haystack.length - needle.length; i < n; i++) {
for (var j = 0; j < needle.length; j++) {
if (haystack[i + j] != needle.codeUnitAt(j)) continue outer;
return true;
return false;
var unit_1 = await new File(snapshot).readAsBytes();
Expect.isTrue(containsSubsequence(unit_1, "Root literal!"));
Expect.isTrue(containsSubsequence(unit_1, "Root literal in a list!"));
Expect.isTrue(containsSubsequence(unit_1, "Root literal in a map!"));
Expect.isTrue(containsSubsequence(unit_1, "Root literal in a box!"));
Expect.isTrue(!containsSubsequence(unit_1, "Deferred literal!"));
Expect.isTrue(!containsSubsequence(unit_1, "Deferred literal in a list!"));
Expect.isTrue(!containsSubsequence(unit_1, "Deferred literal in a map!"));
Expect.isTrue(!containsSubsequence(unit_1, "Deferred literal in a box!"));
var unit_2 = await new File(deferredSnapshot).readAsBytes();
Expect.isTrue(!containsSubsequence(unit_2, "Root literal!"));
Expect.isTrue(!containsSubsequence(unit_2, "Root literal in a list!"));
Expect.isTrue(!containsSubsequence(unit_2, "Root literal in a map!"));
Expect.isTrue(!containsSubsequence(unit_2, "Root literal in a box!"));
Expect.isTrue(containsSubsequence(unit_2, "Deferred literal!"));
Expect.isTrue(containsSubsequence(unit_2, "Deferred literal in a list!"));
Expect.isTrue(containsSubsequence(unit_2, "Deferred literal in a map!"));
Expect.isTrue(containsSubsequence(unit_2, "Deferred literal in a box!"));