feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 20 insertions, 0 deletions

diff --git a/vanilla/node_modules/@exodus/bytes/fallback/_utils.js b/vanilla/node_modules/@exodus/bytes/fallback/_utils.js
new file mode 100644
index 0000000..4783abd
--- /dev/null
+++ b/vanilla/node_modules/@exodus/bytes/fallback/_utils.js
@@ -0,0 +1,20 @@
+export * from './platform.js'
+
+const Buffer = /* @__PURE__ */ (() => globalThis.Buffer)()
+
+export function assert(condition, msg) {
+  if (!condition) throw new Error(msg)
+}
+
+export function assertU8(arg) {
+  if (!(arg instanceof Uint8Array)) throw new TypeError('Expected an Uint8Array')
+}
+
+// On arrays in heap (<= 64) it's cheaper to copy into a pooled buffer than lazy-create the ArrayBuffer storage
+export const toBuf = (x) =>
+  x.byteLength <= 64 && x.BYTES_PER_ELEMENT === 1
+    ? Buffer.from(x)
+    : Buffer.from(x.buffer, x.byteOffset, x.byteLength)
+
+export const E_STRING = 'Input is not a string'
+export const E_STRICT_UNICODE = 'Input is not well-formed Unicode'