41 lines
1.0 KiB
TypeScript
41 lines
1.0 KiB
TypeScript
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import {
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assertEquals,
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assertThrows,
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} from "https://deno.land/std@0.154.0/testing/asserts.ts";
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import { Wasm } from "../build/sqlite.js";
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import * as wasm from "./wasm.ts";
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function mock(
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malloc: () => number = () => 1,
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free: (pts: number) => void = () => {},
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): Wasm {
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const memory = new Uint8Array(2048);
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return {
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malloc,
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free,
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str_len: (ptr: number) => {
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let len = 0;
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for (let idx = ptr; memory.at(idx) != 0; idx++) len++;
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return len;
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},
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memory,
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} as unknown as Wasm;
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}
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Deno.test("round trip string", function () {
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const mockWasm = mock();
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const testCases = ["Hello world!", "Söme, fünky lëttêrß", "你好👋"];
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for (const input of testCases) {
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const output = wasm.setStr(mockWasm, input, (ptr) => {
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return wasm.getStr(mockWasm, ptr);
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});
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assertEquals(input, output);
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}
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});
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Deno.test("throws on allocation error", function () {
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const mockWasm = mock(() => 0);
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assertThrows(() => wasm.setStr(mockWasm, "Hello world!", (_) => null));
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});
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