Windows,tests: port cpp_test

//src/test/shell/integration:cpp_test
now runs on Windows.

See https://github.com/bazelbuild/bazel/issues/4292

Change-Id: I7dd4ce2b5702e5853ee357ab4f2a728af7d3018d

Closes #5874.

Change-Id: I7dd4ce2b5702e5853ee357ab4f2a728af7d3018d
PiperOrigin-RevId: 208484274

2 files changed, 73 insertions, 37 deletions

diff --git a/src/test/shell/integration/BUILD b/src/test/shell/integration/BUILD
index 4717180d16..66e8eb3688 100644
--- a/src/test/shell/integration/BUILD
+++ b/src/test/shell/integration/BUILD
@@ -270,8 +270,10 @@ sh_test(
     name = "cpp_test",
     size = "large",
     srcs = ["cpp_test.sh"],
-    data = [":test-deps"],
-    tags = ["no_windows"],
+    data = [
+        ":test-deps",
+        "@bazel_tools//tools/bash/runfiles",
+    ],
 )
 
 sh_test(
diff --git a/src/test/shell/integration/cpp_test.sh b/src/test/shell/integration/cpp_test.sh
index bb7a8f693a..7c777e7eac 100755
--- a/src/test/shell/integration/cpp_test.sh
+++ b/src/test/shell/integration/cpp_test.sh
@@ -13,91 +13,125 @@
 # 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 the test setup defined in the parent directory
-CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-source "${CURRENT_DIR}/../integration_test_setup.sh" \
+
+# --- begin runfiles.bash initialization ---
+# Copy-pasted from Bazel's Bash runfiles library (tools/bash/runfiles/runfiles.bash).
+set -euo pipefail
+if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
+  if [[ -f "$0.runfiles_manifest" ]]; then
+    export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
+  elif [[ -f "$0.runfiles/MANIFEST" ]]; then
+    export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
+  elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
+    export RUNFILES_DIR="$0.runfiles"
+  fi
+fi
+if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
+  source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
+elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
+  source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
+            "$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
+else
+  echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
+  exit 1
+fi
+# --- end runfiles.bash initialization ---
+
+source "$(rlocation "io_bazel/src/test/shell/integration_test_setup.sh")" \
   || { echo "integration_test_setup.sh not found!" >&2; exit 1; }
 
-#### SETUP #############################################################
+case "$(uname -s | tr [:upper:] [:lower:])" in
+msys*|mingw*|cygwin*)
+  declare -r is_windows=true
+  ;;
+*)
+  declare -r is_windows=false
+  ;;
+esac
 
-set -e
+if "$is_windows"; then
+  export MSYS_NO_PATHCONV=1
+  export MSYS2_ARG_CONV_EXCL="*"
+fi
 
 #### TESTS #############################################################
 
 function test_no_rebuild_on_irrelevant_header_change() {
-  mkdir -p a
-  cat > a/BUILD <<EOF
+  local -r pkg=$FUNCNAME
+  mkdir -p $pkg
+  cat > $pkg/BUILD <<EOF
 cc_binary(name="a", srcs=["a.cc"], deps=["b"])
 cc_library(name="b", srcs=["b1.h", "b2.h"])
 EOF
 
-  cat > a/a.cc <<EOF
-#include "a/b1.h"
+  cat > $pkg/a.cc <<EOF
+#include "$pkg/b1.h"
 
 int main(void) {
   return B_RETURN_VALUE;
 }
 EOF
 
-  cat > a/b1.h <<EOF
+  cat > $pkg/b1.h <<EOF
 #define B_RETURN_VALUE 31
 EOF
 
-  cat > a/b2.h <<EOF
+  cat > $pkg/b2.h <<EOF
 === BANANA ===
 EOF
 
-  bazel build //a || fail "build failed"
-  echo "CHERRY" > a/b2.h
-  bazel build //a >& $TEST_log || fail "build failed"
-  expect_not_log "Compiling a/a.cc"
+  bazel build //$pkg:a || fail "build failed"
+  echo "CHERRY" > $pkg/b2.h
+  bazel build //$pkg:a >& $TEST_log || fail "build failed"
+  expect_not_log "Compiling $pkg/a.cc"
 }
 
 function test_new_header_is_required() {
-  mkdir -p a
-  cat > a/BUILD <<EOF
+  local -r pkg=$FUNCNAME
+  mkdir -p $pkg
+  cat > $pkg/BUILD <<EOF
 cc_binary(name="a", srcs=["a.cc"], deps=[":b"])
 cc_library(name="b", srcs=["b1.h", "b2.h"])
 EOF
 
-  cat > a/a.cc << EOF
-#include "a/b1.h"
+  cat > $pkg/a.cc << EOF
+#include "$pkg/b1.h"
 
 int main(void) {
     return B1;
 }
 EOF
 
-  cat > a/b1.h <<EOF
+  cat > $pkg/b1.h <<EOF
 #define B1 3
 EOF
 
-  cat > a/b2.h <<EOF
+  cat > $pkg/b2.h <<EOF
 #define B2 4
 EOF
 
-  bazel build //a || fail "build failed"
-  cat > a/a.cc << EOF
-#include "a/b1.h"
-#include "a/b2.h"
+  bazel build //$pkg:a || fail "build failed"
+  cat > $pkg/a.cc << EOF
+#include "$pkg/b1.h"
+#include "$pkg/b2.h"
 
 int main(void) {
     return B1 + B2;
 }
 EOF
 
-  bazel build //a || fail "build failled"
+  bazel build //$pkg:a || fail "build failled"
 }
 
 function test_no_recompile_on_shutdown() {
-  mkdir -p a
-  cat > a/BUILD <<EOF
+  local -r pkg=$FUNCNAME
+  mkdir -p $pkg
+  cat > $pkg/BUILD <<EOF
 cc_binary(name="a", srcs=["a.cc"], deps=["b"])
 cc_library(name="b", includes=["."], hdrs=["b.h"])
 EOF
 
-  cat > a/a.cc <<EOF
+  cat > $pkg/a.cc <<EOF
 #include "b.h"
 
 int main(void) {
@@ -105,15 +139,15 @@ int main(void) {
 }
 EOF
 
-  cat > a/b.h <<EOF
+  cat > $pkg/b.h <<EOF
 #define B_RETURN_VALUE 31
 EOF
 
-  bazel build -s //a >& $TEST_log || fail "build failed"
-  expect_log "Compiling a/a.cc"
+  bazel build -s //$pkg:a >& $TEST_log || fail "build failed"
+  expect_log "Compiling $pkg/a.cc"
   bazel shutdown >& /dev/null || fail "query failed"
-  bazel build -s //a >& $TEST_log || fail "build failed"
-  expect_not_log "Compiling a/a.cc"
+  bazel build -s //$pkg:a >& $TEST_log || fail "build failed"
+  expect_not_log "Compiling $pkg/a.cc"
 }
 
 run_suite "Tests for Bazel's C++ rules"