90 lines
3.0 KiB
TypeScript
90 lines
3.0 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { Il2cppMetadataFormatFailure } from "../../../src/il2cpp/Il2cppMetadataFormat.js";
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import { createIl2cppMetadataFixture } from "../../fixtures/il2cpp/metadata.js";
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import {
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readIl2cppMetadata,
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readIl2cppMetadataForLinking,
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} from "../../fixtures/il2cpp/readers.js";
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describe("IL2CPP structural section extents", () => {
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it.each([24, 27, 29, 31, 39] as const)(
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"validates generic records before inventory or linking for version %i",
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(version) => {
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const fixture = createIl2cppMetadataFixture({
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version,
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genericOwners: true,
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});
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for (const reader of [readIl2cppMetadata, readIl2cppMetadataForLinking]) {
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expect(() => reader(fixture.bytes)).not.toThrow();
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for (const name of [
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"genericContainers",
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"genericParameters",
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] as const) {
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const damaged = Buffer.from(fixture.bytes);
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damaged.writeInt32LE(
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fixture.section(name).size - 1,
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fixture.header(name, "size"),
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);
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expect(() => reader(damaged)).toThrow(Il2cppMetadataFormatFailure);
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expect(() => reader(damaged)).toThrow(/record-size-mismatch/);
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}
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}
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},
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);
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it.each([24, 27, 29, 31] as const)(
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"rejects partial fixed-width interface offsets in version %i",
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(version) => {
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const fixture = createIl2cppMetadataFixture({
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version,
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genericOwners: true,
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});
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const damaged = Buffer.from(fixture.bytes);
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damaged.writeInt32LE(6, fixture.header("interfaceOffsets", "size"));
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for (const reader of [readIl2cppMetadata, readIl2cppMetadataForLinking]) {
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expect(() => reader(fixture.bytes)).not.toThrow();
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expect(() => reader(damaged)).toThrow(/record-size-mismatch/);
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}
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},
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);
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it("rejects a counted generic-parameter extent with the wrong declared count", () => {
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const fixture = createIl2cppMetadataFixture({
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version: 39,
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genericOwners: true,
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});
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const damaged = Buffer.from(fixture.bytes);
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damaged.writeInt32LE(3, fixture.header("genericParameters", "count"));
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expect(() => readIl2cppMetadata(damaged)).toThrow(/record-size-mismatch/);
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});
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it.each([31, 39] as const)(
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"uses the same extent validation for decoded member sections in version %i",
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(version) => {
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const fixture = createIl2cppMetadataFixture({
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version,
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genericOwners: true,
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propertiesAndEvents: true,
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});
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for (const name of [
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"fields",
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"properties",
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"events",
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"parameters",
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"stringLiterals",
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"nestedTypes",
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] as const) {
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expect(fixture.section(name).size, name).toBeGreaterThan(0);
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const damaged = Buffer.from(fixture.bytes);
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damaged.writeInt32LE(
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fixture.section(name).size - 1,
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fixture.header(name, "size"),
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);
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expect(() => readIl2cppMetadata(damaged), name).toThrow(
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/record-size-mismatch/,
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);
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}
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},
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);
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});
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