Add tests for some KaitaiStream methods

Author: Mingun

.github/workflows/node.js.yml

@@ -0,0 +1,29 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+
+    strategy:
+      matrix:
+        node-version: [12.x, 14.x, 16.x]
+        os: [ubuntu-latest, windows-latest, macos-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Install dependencies
+        run: npm install
+      - name: Test
+        run: npm run test

.gitignore

@@ -0,0 +1 @@
+/node_modules