tewaks for test coverage

Author: gfx

package.json

@@ -12,13 +12,15 @@
     "prepublishOnly": "run-p 'test:dist:*' && npm run test:browser",
     "clean": "rimraf build dist dist.*",
     "test": "mocha 'test/**/*.test.ts'",
-    "test:purejs": "MSGPACK_WASM=never mocha 'test/**/*.test.ts'",
-    "test:wasm": "npm run asbuild:production && MSGPACK_WASM=force mocha 'test/**/*.test.ts'",
+    "test:purejs": "TEXT_DECODER=never MSGPACK_WASM=never mocha 'test/**/*.test.ts'",
+    "test:wasm": "npm run asbuild:production && TEXT_DECODER=never MSGPACK_WASM=force mocha 'test/**/*.test.ts'",
+    "test:td": "TEXT_DECODER=force mocha 'test/**/*.test.ts'",
     "test:dist:purejs": "TS_NODE_PROJECT=tsconfig.test-dist-es5-purejs.json npm run test:purejs -- --reporter=dot",
     "test:dist:wasm": "TS_NODE_PROJECT=tsconfig.test-dist-es5-wasm.json npm run test:wasm -- --reporter=dot",
-    "test:cover": "npm run cover:clean && npm run test:cover:purejs && npm run test:cover:wasm && npm run cover:report",
+    "test:cover": "npm run cover:clean && npm-run-all 'test:cover:*' && npm run cover:report",
     "test:cover:purejs": "npx nyc --no-clean npm run test:purejs",
     "test:cover:wasm": "npx nyc --no-clean npm run test:wasm",
+    "test:cover:td": "npx nyc --no-clean npm run test:td",
     "cover:clean": "rimraf .nyc_output coverage/",
     "cover:report": "nyc report --reporter=lcov --reporter=text-summary --reporter=html",
     "test:browser": "karma start --single-run",

test/msgpack-test-suite.test.ts

@@ -93,10 +93,8 @@ describe("msgpack-test-suite", () => {
       STR32: "b".repeat(0x10_000),
       STR32_MBS: "🍣".repeat(0x10_000),
       STR32LARGE: "c".repeat(0x100_000), // may cause "RangeError: Maximum call stack size exceeded" in simple implelementions
-      STR_INCLUDING_NUL: "foo\0bar",
+      STR_INCLUDING_NUL: "foo\0bar\0",
       STR_BROKEN_FF: "\xff",
-      STR_LONE_SURROGATE_1: "\ud800",
-      STR_LONE_SURROGATE_2: "\udbff",
       BIN16: new Uint8Array(0x100).fill(0xff),
       BIN32: new Uint8Array(0x10000).fill(0xff),
       ARRAY16: new Array<boolean>(0x100).fill(true),