Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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335 lines
13 KiB
335 lines
13 KiB
5 years ago
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/**
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* @fileoverview Tests for indexer.js.
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*/
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goog.module('protobuf.binary.IndexerTest');
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goog.setTestOnly();
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// Note to the reader:
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// Since the index behavior changes with the checking level some of the tests
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// in this file have to know which checking level is enabled to make correct
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// assertions.
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// Test are run in all checking levels.
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const BinaryStorage = goog.require('protobuf.runtime.BinaryStorage');
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const BufferDecoder = goog.require('protobuf.binary.BufferDecoder');
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const WireType = goog.require('protobuf.binary.WireType');
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const {CHECK_CRITICAL_STATE} = goog.require('protobuf.internal.checks');
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const {Field, IndexEntry} = goog.require('protobuf.binary.field');
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const {buildIndex} = goog.require('protobuf.binary.indexer');
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const {createBufferDecoder} = goog.require('protobuf.binary.bufferDecoderHelper');
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/**
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* Returns the number of fields stored.
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*
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* @param {!BinaryStorage} storage
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* @return {number}
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*/
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function getStorageSize(storage) {
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let size = 0;
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storage.forEach(() => void size++);
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return size;
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}
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/**
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* @type {number}
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*/
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const PIVOT = 1;
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/**
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* Asserts a single IndexEntry at a given field number.
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* @param {!BinaryStorage} storage
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* @param {number} fieldNumber
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* @param {...!IndexEntry} expectedEntries
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*/
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function assertStorageEntries(storage, fieldNumber, ...expectedEntries) {
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expect(getStorageSize(storage)).toBe(1);
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const entryArray = storage.get(fieldNumber).getIndexArray();
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expect(entryArray).not.toBeUndefined();
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expect(entryArray.length).toBe(expectedEntries.length);
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for (let i = 0; i < entryArray.length; i++) {
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const storageEntry = entryArray[i];
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const expectedEntry = expectedEntries[i];
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expect(storageEntry).toBe(expectedEntry);
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}
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}
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describe('Indexer does', () => {
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it('return empty storage for empty array', () => {
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const storage = buildIndex(createBufferDecoder(), PIVOT);
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expect(storage).not.toBeNull();
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expect(getStorageSize(storage)).toBe(0);
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});
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it('throw for null array', () => {
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expect(
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() => buildIndex(
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/** @type {!BufferDecoder} */ (/** @type {*} */ (null)), PIVOT))
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.toThrow();
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});
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it('fail for invalid wire type (6)', () => {
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expect(() => buildIndex(createBufferDecoder(0x0E, 0x01), PIVOT))
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.toThrowError('Unexpected wire type: 6');
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});
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it('fail for invalid wire type (7)', () => {
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expect(() => buildIndex(createBufferDecoder(0x0F, 0x01), PIVOT))
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.toThrowError('Unexpected wire type: 7');
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});
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it('index varint', () => {
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const data = createBufferDecoder(0x08, 0x01, 0x08, 0x01);
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.VARINT, /* startIndex= */ 1),
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Field.encodeIndexEntry(WireType.VARINT, /* startIndex= */ 3));
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});
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it('index varint with two bytes field number', () => {
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const data = createBufferDecoder(0xF8, 0x01, 0x01);
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 31,
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Field.encodeIndexEntry(WireType.VARINT, /* startIndex= */ 2));
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});
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it('fail for varints that are longer than 10 bytes', () => {
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const data = createBufferDecoder(
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0x08, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00);
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if (CHECK_CRITICAL_STATE) {
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expect(() => buildIndex(data, PIVOT))
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.toThrowError('Index out of bounds: index: 12 size: 11');
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} else {
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// Note in unchecked mode we produce invalid output for invalid inputs.
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// This test just documents our behavior in those cases.
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// These values might change at any point and are not considered
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// what the implementation should be doing here.
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.VARINT, /* startIndex= */ 1));
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}
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});
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it('fail for varints with no data', () => {
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const data = createBufferDecoder(0x08);
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expect(() => buildIndex(data, PIVOT)).toThrow();
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});
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it('index fixed64', () => {
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const data = createBufferDecoder(
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/* first= */ 0x09, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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/* second= */ 0x09, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08);
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.FIXED64, /* startIndex= */ 1),
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Field.encodeIndexEntry(WireType.FIXED64, /* startIndex= */ 10));
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});
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it('fail for fixed64 data missing in input', () => {
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const data =
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createBufferDecoder(0x09, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07);
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if (CHECK_CRITICAL_STATE) {
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expect(() => buildIndex(data, PIVOT))
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.toThrowError('Index out of bounds: index: 9 size: 8');
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} else {
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// Note in unchecked mode we produce invalid output for invalid inputs.
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// This test just documents our behavior in those cases.
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// These values might change at any point and are not considered
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// what the implementation should be doing here.
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.FIXED64, /* startIndex= */ 1));
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}
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});
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it('fail for fixed64 tag that has no data after it', () => {
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if (CHECK_CRITICAL_STATE) {
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const data = createBufferDecoder(0x09);
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expect(() => buildIndex(data, PIVOT))
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.toThrowError('Index out of bounds: index: 9 size: 1');
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} else {
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// Note in unchecked mode we produce invalid output for invalid inputs.
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// This test just documents our behavior in those cases.
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// These values might change at any point and are not considered
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// what the implementation should be doing here.
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const data = createBufferDecoder(0x09);
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.FIXED64, /* startIndex= */ 1));
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}
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});
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it('index delimited', () => {
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const data = createBufferDecoder(
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/* first= */ 0x0A, 0x02, 0x00, 0x01, /* second= */ 0x0A, 0x02, 0x00,
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0x01);
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.DELIMITED, /* startIndex= */ 1),
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Field.encodeIndexEntry(WireType.DELIMITED, /* startIndex= */ 5));
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});
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it('fail for length deliimted field data missing in input', () => {
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const data = createBufferDecoder(0x0A, 0x04, 0x00, 0x01);
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if (CHECK_CRITICAL_STATE) {
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expect(() => buildIndex(data, PIVOT))
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.toThrowError('Index out of bounds: index: 6 size: 4');
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} else {
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// Note in unchecked mode we produce invalid output for invalid inputs.
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// This test just documents our behavior in those cases.
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// These values might change at any point and are not considered
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// what the implementation should be doing here.
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.DELIMITED, /* startIndex= */ 1));
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}
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});
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it('fail for delimited tag that has no data after it', () => {
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const data = createBufferDecoder(0x0A);
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expect(() => buildIndex(data, PIVOT)).toThrow();
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});
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it('index fixed32', () => {
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const data = createBufferDecoder(
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/* first= */ 0x0D, 0x01, 0x02, 0x03, 0x04, /* second= */ 0x0D, 0x01,
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0x02, 0x03, 0x04);
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.FIXED32, /* startIndex= */ 1),
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Field.encodeIndexEntry(WireType.FIXED32, /* startIndex= */ 6));
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});
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it('fail for fixed32 data missing in input', () => {
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const data = createBufferDecoder(0x0D, 0x01, 0x02, 0x03);
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if (CHECK_CRITICAL_STATE) {
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expect(() => buildIndex(data, PIVOT))
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.toThrowError('Index out of bounds: index: 5 size: 4');
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} else {
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// Note in unchecked mode we produce invalid output for invalid inputs.
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// This test just documents our behavior in those cases.
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// These values might change at any point and are not considered
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// what the implementation should be doing here.
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.FIXED32, /* startIndex= */ 1));
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}
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});
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it('fail for fixed32 tag that has no data after it', () => {
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if (CHECK_CRITICAL_STATE) {
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const data = createBufferDecoder(0x0D);
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expect(() => buildIndex(data, PIVOT))
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.toThrowError('Index out of bounds: index: 5 size: 1');
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} else {
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// Note in unchecked mode we produce invalid output for invalid inputs.
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// This test just documents our behavior in those cases.
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// These values might change at any point and are not considered
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// what the implementation should be doing here.
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const data = createBufferDecoder(0x0D);
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.FIXED32, /* startIndex= */ 1));
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}
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});
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it('index group', () => {
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const data = createBufferDecoder(
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/* first= */ 0x0B, 0x08, 0x01, 0x0C, /* second= */ 0x0B, 0x08, 0x01,
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0x0C);
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.START_GROUP, /* startIndex= */ 1),
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Field.encodeIndexEntry(WireType.START_GROUP, /* startIndex= */ 5));
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});
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it('index group and skips inner group', () => {
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const data =
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createBufferDecoder(0x0B, 0x0B, 0x08, 0x01, 0x0C, 0x08, 0x01, 0x0C);
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.START_GROUP, /* startIndex= */ 1));
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});
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it('fail on unmatched stop group', () => {
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const data = createBufferDecoder(0x0C, 0x01);
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expect(() => buildIndex(data, PIVOT))
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.toThrowError('Unexpected wire type: 4');
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});
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it('fail for groups without matching stop group', () => {
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const data = createBufferDecoder(0x0B, 0x08, 0x01, 0x1C);
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if (CHECK_CRITICAL_STATE) {
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expect(() => buildIndex(data, PIVOT))
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.toThrowError('Expected stop group for fieldnumber 1 not found.');
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} else {
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// Note in unchecked mode we produce invalid output for invalid inputs.
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// This test just documents our behavior in those cases.
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// These values might change at any point and are not considered
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// what the implementation should be doing here.
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.START_GROUP, /* startIndex= */ 1));
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}
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});
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it('fail for groups without stop group', () => {
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const data = createBufferDecoder(0x0B, 0x08, 0x01);
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if (CHECK_CRITICAL_STATE) {
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expect(() => buildIndex(data, PIVOT)).toThrowError('No end group found.');
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} else {
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// Note in unchecked mode we produce invalid output for invalid inputs.
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// This test just documents our behavior in those cases.
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// These values might change at any point and are not considered
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// what the implementation should be doing here.
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.START_GROUP, /* startIndex= */ 1));
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}
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});
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it('fail for group tag that has no data after it', () => {
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const data = createBufferDecoder(0x0B);
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if (CHECK_CRITICAL_STATE) {
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expect(() => buildIndex(data, PIVOT)).toThrowError('No end group found.');
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} else {
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// Note in unchecked mode we produce invalid output for invalid inputs.
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// This test just documents our behavior in those cases.
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// These values might change at any point and are not considered
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// what the implementation should be doing here.
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const storage = buildIndex(data, PIVOT);
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assertStorageEntries(
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storage, /* fieldNumber= */ 1,
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Field.encodeIndexEntry(WireType.START_GROUP, /* startIndex= */ 1));
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}
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});
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it('index too large tag', () => {
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const data = createBufferDecoder(0xF8, 0xFF, 0xFF, 0xFF, 0xFF);
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expect(() => buildIndex(data, PIVOT)).toThrow();
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});
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it('fail for varint tag that has no data after it', () => {
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const data = createBufferDecoder(0x08);
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expect(() => buildIndex(data, PIVOT)).toThrow();
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});
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});
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