46 lines
2.0 KiB
JavaScript
46 lines
2.0 KiB
JavaScript
import assert from "node:assert/strict";
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import test from "node:test";
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import { spellDbcEquipmentMetadata } from "./spellDbcEquipmentMetadata.mjs";
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function spellDbc(rows, fieldCount = 71) {
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const recordSize = fieldCount * 4;
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const buffer = Buffer.alloc(20 + rows.length * recordSize);
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buffer.write("WDBC", 0, "ascii");
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buffer.writeUInt32LE(rows.length, 4);
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buffer.writeUInt32LE(fieldCount, 8);
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buffer.writeUInt32LE(recordSize, 12);
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rows.forEach((row, index) => {
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const base = 20 + index * recordSize;
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buffer.writeUInt32LE(row.id, base);
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buffer.writeInt32LE(row.itemClass, base + 68 * 4);
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buffer.writeInt32LE(row.subclassMask, base + 69 * 4);
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buffer.writeUInt32LE(row.inventoryMask, base + 70 * 4);
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});
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return buffer;
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}
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test("reads signed class/subclass fields 68/69 and unsigned inventory mask field 70", () => {
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const rows = spellDbc([
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{ id: 1752, itemClass: 2, subclassMask: 0, inventoryMask: 0 },
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{ id: 78, itemClass: 2, subclassMask: 173_555, inventoryMask: 0 },
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{ id: 6713, itemClass: -1, subclassMask: 0, inventoryMask: 0 },
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{ id: 1234, itemClass: 4, subclassMask: -1, inventoryMask: 0x80000000 },
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]);
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assert.deepEqual(spellDbcEquipmentMetadata(rows), new Map([
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[1752, { equippedItemClass: 2, equippedItemSubclassMask: 0, equippedItemInventoryMask: 0 }],
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[78, { equippedItemClass: 2, equippedItemSubclassMask: 173_555, equippedItemInventoryMask: 0 }],
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[6713, { equippedItemClass: -1, equippedItemSubclassMask: 0, equippedItemInventoryMask: 0 }],
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[1234, { equippedItemClass: 4, equippedItemSubclassMask: -1, equippedItemInventoryMask: 0x80000000 }],
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]));
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});
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test("rejects malformed schemas and duplicate IDs", () => {
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assert.throws(() => spellDbcEquipmentMetadata(Buffer.from("NOPE")), /not WDBC/);
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assert.throws(() => spellDbcEquipmentMetadata(spellDbc([], 70)), /unsupported/);
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assert.throws(() => spellDbcEquipmentMetadata(spellDbc([
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{ id: 1, itemClass: 0, subclassMask: 0, inventoryMask: 0 },
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{ id: 1, itemClass: 0, subclassMask: 0, inventoryMask: 0 },
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])), /repeats spell ID 1/);
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});
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