WIP

Author: oldratlee

.github/workflows/ci.yaml

@@ -11,7 +11,9 @@ jobs:
     timeout-minutes: 5
     strategy:
       matrix:
-        os: [ ubuntu-latest, macos-11, macos-latest ]
+        # the OS supported by GitHub Actions
+        # https://docs.github.com/en/actions/using-github-hosted-runners/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources
+        os: [ ubuntu-latest, macos-12, macos-latest ]
       fail-fast: false
       max-parallel: 64
     name: Test on ${{ matrix.os }}

test/my_unit_test_lib.sh

@@ -50,7 +50,7 @@ die() {
 
 assertArrayEquals() {
   (($# == 2 || $# == 3)) || die "assertArrayEquals must 2 or 3 arguments!"
-  local failMsg=""
+  local failMsg=
   (($# == 3)) && {
     failMsg=$1
     shift