examples/02_unit_testing: Bazel build support
Bug: 307825072
Change-Id: I557ce077d2396fa675520775cd82abdb0d64c994
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/210118
Reviewed-by: Ted Pudlik <tpudlik@google.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Anthony DiGirolamo <tonymd@google.com>
diff --git a/examples/01_blinky/BUILD.bazel b/examples/01_blinky/BUILD.bazel
index 3afe70f..a2e8dd1 100644
--- a/examples/01_blinky/BUILD.bazel
+++ b/examples/01_blinky/BUILD.bazel
@@ -15,6 +15,8 @@
load("@bazel_skylib//rules:native_binary.bzl", "native_binary")
load("//targets:transition.bzl", "rp2040_binary", "stm32_binary")
+package(default_visibility = ["//visibility:public"])
+
cc_binary(
name = "blinky",
srcs = ["main.cc"],
@@ -57,15 +59,11 @@
stm32_binary(
name = "blinky.elf",
binary = ":blinky",
- # Visible to the flasher.
- visibility = ["//tools:__pkg__"],
)
rp2040_binary(
name = "rp2040_blinky.elf",
binary = ":blinky",
- # Visible to the flasher.
- visibility = ["//tools:__pkg__"],
)
native_binary(
diff --git a/examples/02_unit_testing/BUILD.bazel b/examples/02_unit_testing/BUILD.bazel
new file mode 100644
index 0000000..4afa384
--- /dev/null
+++ b/examples/02_unit_testing/BUILD.bazel
@@ -0,0 +1,92 @@
+# Copyright 2024 The Pigweed Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+load(
+ "@pigweed//pw_build:pigweed.bzl",
+ "pw_cc_test",
+)
+load("//targets:transition.bzl", "rp2040_binary", "stm32_binary")
+
+package(default_visibility = ["//visibility:public"])
+
+cc_library(
+ name = "bitops",
+ srcs = ["bitops.cc"],
+ hdrs = ["public/bitops.h"],
+ includes = ["public"],
+)
+
+pw_cc_test(
+ name = "bitops_test",
+ srcs = ["bitops_test.cc"],
+ # Remove the manual tag to run this test automatically as part of 'bazel
+ # test' on the host.
+ tags = ["manual"],
+ # Otherwise run:
+ # bazel test //examples/02_unit_testing:bitops_test
+ deps = [":bitops"],
+)
+
+cc_binary(
+ name = "test_runner_app",
+ testonly = True,
+ srcs = ["main.cc"],
+ malloc = select({
+ "@pico-sdk//bazel/constraint:rp2": "@pigweed//pw_malloc",
+ "@platforms//cpu:armv7e-m": "@pigweed//pw_malloc",
+ "//conditions:default": "@bazel_tools//tools/cpp:malloc",
+ }),
+ deps = [
+ ":bitops_test.lib",
+ "@pigweed//pw_assert:backend_impl",
+ "@pigweed//pw_chrono:system_clock",
+ "@pigweed//pw_chrono:system_timer",
+ "@pigweed//pw_log",
+ "@pigweed//pw_log:backend_impl",
+ "@pigweed//pw_system:init",
+ "@pigweed//pw_system:io",
+ "@pigweed//pw_system:rpc_server",
+ "@pigweed//pw_system:target_hooks",
+ "@pigweed//pw_system:work_queue",
+ "@pigweed//pw_unit_test:rpc_service",
+ ] + select({
+ "@pico-sdk//bazel/constraint:rp2": [
+ "@pico-sdk//src/common/pico_stdlib:pico_stdlib",
+ "@pigweed//pw_tokenizer:linker_script",
+ "@pigweed//pw_toolchain/arm_gcc:arm_none_eabi_gcc_support",
+ "@pigweed//targets/rp2040:pre_init",
+ ],
+ "@platforms//cpu:armv7e-m": [
+ "//targets/stm32f429i_disc1_stm32cube:linker_script",
+ "@pigweed//pw_tokenizer:linker_script",
+ "@pigweed//pw_toolchain/arm_gcc:arm_none_eabi_gcc_support",
+ "@pigweed//targets/stm32f429i_disc1_stm32cube:pre_init",
+ ],
+ "//conditions:default": [
+ "@pigweed//targets/host_device_simulator:boot",
+ ],
+ }),
+)
+
+stm32_binary(
+ name = "test_runner_app.elf",
+ testonly = True,
+ binary = ":test_runner_app",
+)
+
+rp2040_binary(
+ name = "rp2040_test_runner_app.elf",
+ testonly = True,
+ binary = ":test_runner_app",
+)
diff --git a/examples/02_unit_testing/bitops.cc b/examples/02_unit_testing/bitops.cc
index b7243ff..800041a 100644
--- a/examples/02_unit_testing/bitops.cc
+++ b/examples/02_unit_testing/bitops.cc
@@ -20,6 +20,7 @@
int CountOnes(int val) {
int count = 0;
+ // One possible fix to this is multiply sizeof(val) by 8.
for (size_t i = 0; i < sizeof(val); ++i) {
int mask = 0x1 << i;
if ((val & mask) != 0) {
diff --git a/examples/03_rpc/BUILD.bazel b/examples/03_rpc/BUILD.bazel
index 32e01d8..2cb9f5c 100644
--- a/examples/03_rpc/BUILD.bazel
+++ b/examples/03_rpc/BUILD.bazel
@@ -99,15 +99,11 @@
stm32_binary(
name = "rpc_main.elf",
binary = ":rpc_main",
- # Visible to the flasher.
- visibility = ["//tools:__pkg__"],
)
rp2040_binary(
name = "rp2040_rpc_main.elf",
binary = ":rpc_main",
- # Visible to the flasher.
- visibility = ["//tools:__pkg__"],
)
native_binary(
diff --git a/third_party/pigweed b/third_party/pigweed
index dcbe398..3a93dbe 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit dcbe39839b38dd25381e14e61ef93cde1fdb0f82
+Subproject commit 3a93dbec943d0aa9bb20601dbcf618c956b6dbb4
