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Daco Harkes 9f96aeda6f [test/ffi] Add C++ unit tests for all target ABIs
This CL introduces unit tests for the Native* classes in compiler/ffi
that can run for all supported target ABIs on any host architecture.

The unit tests are compiled for all target ABIs with
`tools/build.py run_ffi_unit_tests` and run for all target ABIs with
`tools/test.py ffi_unit`.

The unit test and tested code do not conceptually depend on having a
DartVM. The tests are compiled with a custom `dart::Zone` and
`platform/`. This enables compiling for all `TARGET_ARCH_*` and
`TARGET_OS_*` on any host, and running unit tests for all target ABIs
on any host.

Because the `run_ffi_unit_tests` executables do not include the DartVM
their build is quick (<10seconds) and they are small (~6MB) when
compared to `run_vm_tests` (~250MB).

The tests are added to the existing FFI QEMU bot to prevent adding an
extra bot which would add checkout overhead.

The unit tests themselves are set up to be fairly similar to vm/cc
tests. The only difference is the NativeCallingConvention tests which
are set up with `.expect` files for easy inspection and updating.

TEST=runtime/vm/compiler/ffi/native_calling_convention_test.cc
TEST=runtime/vm/compiler/ffi/native_location_test.cc
TEST=runtime/vm/compiler/ffi/native_type_test.cc

Change-Id: I7b8bf4de9ef070e7546472217e571a60362b9639
Cq-Include-Trybots: luci.dart.try:vm-precomp-ffi-qemu-linux-release-arm-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/171725
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Clement Skau <cskau@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
2020-11-16 16:10:55 +00:00
.dart_tool [kernel] Remove dynamic access from text_serializer 2020-11-16 08:16:39 +00:00
.github Remove obsolete dartfix build target and scripts 2020-11-13 09:18:36 +00:00
benchmarks [vm/concurrency] Add EventLoopLatencyJson350KB bechmark 2020-10-28 16:28:38 +00:00
build Allow MacOSX SDK versions 10.x and 11.x in build scripts 2020-10-22 12:53:55 +00:00
client
docs Corrected the format for VM experiment flag 2020-10-21 16:09:38 +00:00
pkg [test/ffi] Add C++ unit tests for all target ABIs 2020-11-16 16:10:55 +00:00
runtime [test/ffi] Add C++ unit tests for all target ABIs 2020-11-16 16:10:55 +00:00
samples API doc issue: Update sqlite-tutorial CString section with correct ascii code 2020-11-04 10:31:47 +00:00
samples-dev/swarm Opt out some files from null safety. 2020-10-12 22:15:42 +00:00
sdk [vm] Look for the recognized pragma in the unboxer and signature shaker. 2020-11-16 13:49:50 +00:00
tests [vm] Fix ArgumentsDescriptor uses in DoArgumentTypesMatch. 2020-11-16 11:53:39 +00:00
third_party [standalone] Update tcmalloc to 2.8. 2020-11-13 19:17:40 +00:00
tools [test/ffi] Add C++ unit tests for all target ABIs 2020-11-16 16:10:55 +00:00
utils Remove obsolete dartfix build target and scripts 2020-11-13 09:18:36 +00:00
.clang-format
.gitattributes Migrate language_2/string to null safety. 2020-06-17 21:14:43 +00:00
.gitconfig
.gitignore Adds a few more generated files to .gitignore. 2020-10-22 11:42:09 +00:00
.gn
.mailmap
.packages Remove the --completion-model flag from the analysis server. 2020-11-16 03:31:18 +00:00
.style.yapf
.vpython
AUTHORS [runtime/vm] ARM64: Support unaligned memory accesses for regex. 2019-10-15 20:11:40 +00:00
BUILD.gn [test/ffi] Add C++ unit tests for all target ABIs 2020-11-16 16:10:55 +00:00
CHANGELOG.md Bump pub 2020-11-12 15:13:06 +00:00
codereview.settings
CONTRIBUTING.md Fix a number of outdated URLs across a number of markdown files 2020-05-29 09:23:45 +00:00
DEPS Remove the --completion-model flag from the analysis server. 2020-11-16 03:31:18 +00:00
LICENSE Remove third_party licenses from LICENSE 2019-08-21 07:43:34 +00:00
PATENT_GRANT
PRESUBMIT.py Revert "Require that all changes to VM have TEST line" 2020-10-30 15:28:41 +00:00
README.dart-sdk Add dart2native to sdk README 2020-01-20 09:32:58 +00:00
README.md Fix typo in README.md 2020-08-10 20:56:14 +00:00
sdk_args.gni [build] Automatically rebuild sdk_hash when the Git commit changes. 2020-07-09 21:12:15 +00:00
WATCHLISTS [dart2js] 20 dart2js tests ported to nnbd #1. 2020-06-26 15:21:42 +00:00

Dart

A client-optimized language for fast apps on any platform

Dart is:

  • Optimized for UI: Develop with a programming language specialized around the needs of user interface creation

  • Productive: Make changes iteratively: use hot reload to see the result instantly in your running app

  • Fast on all platforms: Compile to ARM & x64 machine code for mobile, desktop, and backend. Or compile to JavaScript for the web

Dart's flexible compiler technology lets you run Dart code in different ways, depending on your target platform and goals:

  • Dart Native: For programs targeting devices (mobile, desktop, server, and more), Dart Native includes both a Dart VM with JIT (just-in-time) compilation and an AOT (ahead-of-time) compiler for producing machine code.

  • Dart Web: For programs targeting the web, Dart Web includes both a development time compiler (dartdevc) and a production time compiler (dart2js).

Dart platforms illustration

License & patents

Dart is free and open source.

See LICENSE and PATENT_GRANT.

Using Dart

Visit dart.dev to learn more about the language, tools, getting started, and more.

Browse pub.dev for more packages and libraries contributed by the community and the Dart team.

Building Dart

If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.

There are more documents on our wiki.

Contributing to Dart

The easiest way to contribute to Dart is to file issues.

You can also contribute patches, as described in Contributing.