update deps; add test action

.github/workflows/test.yaml

@@ -0,0 +1,27 @@
+# This workflow runs all the tests in ubuntu, windows and mac
+# environments.
+#
+# Trigger this workflow by pushing commits or by opening 
+# a pull request.
+name: Test
+on: 
+  push:
+  pull_request:
+    types:
+      - opened
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        go: [ '1.x', '1.20', '1.19', '1.18']
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - name: Install latest version of go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
+      - name: Run tests
+        run: go test -v ./...

go.mod

@@ -1,3 +1,5 @@
 module github.com/richardlehane/mscfb
 
-require github.com/richardlehane/msoleps v1.0.1
+go 1.22.3
+
+require github.com/richardlehane/msoleps v1.0.3

go.sum

@@ -1,4 +1,2 @@
-github.com/richardlehane/msoleps v1.0.0 h1:43jYNcb7QTmsVrYW7JL5juc780S/2zZcGnseW6PL09A=
-github.com/richardlehane/msoleps v1.0.0/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
-github.com/richardlehane/msoleps v1.0.1 h1:RfrALnSNXzmXLbGct/P2b4xkFz4e8Gmj/0Vj9M9xC1o=
-github.com/richardlehane/msoleps v1.0.1/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=
+github.com/richardlehane/msoleps v1.0.3 h1:aznSZzrwYRl3rLKRT3gUk9am7T/mLNSnJINvN0AQoVM=
+github.com/richardlehane/msoleps v1.0.3/go.mod h1:BWev5JBpU9Ko2WAgmZEuiz4/u3ZYTKbjLycmwiWUfWg=