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// Flags: --expose-internals
'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');
// Test coverage for the updateOptionsBuffer method used internally
// by the http2 implementation.
const { updateOptionsBuffer } = require('internal/http2/util');
const { internalBinding } = require('internal/test/binding');
const { optionsBuffer } = internalBinding('http2');
const { ok, strictEqual } = require('assert');
const IDX_OPTIONS_MAX_DEFLATE_DYNAMIC_TABLE_SIZE = 0;
const IDX_OPTIONS_MAX_RESERVED_REMOTE_STREAMS = 1;
const IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH = 2;
const IDX_OPTIONS_PEER_MAX_CONCURRENT_STREAMS = 3;
const IDX_OPTIONS_PADDING_STRATEGY = 4;
const IDX_OPTIONS_MAX_HEADER_LIST_PAIRS = 5;
const IDX_OPTIONS_MAX_OUTSTANDING_PINGS = 6;
const IDX_OPTIONS_MAX_OUTSTANDING_SETTINGS = 7;
const IDX_OPTIONS_MAX_SESSION_MEMORY = 8;
const IDX_OPTIONS_FLAGS = 9;
{
updateOptionsBuffer({
maxDeflateDynamicTableSize: 1,
maxReservedRemoteStreams: 2,
maxSendHeaderBlockLength: 3,
peerMaxConcurrentStreams: 4,
paddingStrategy: 5,
maxHeaderListPairs: 6,
maxOutstandingPings: 7,
maxOutstandingSettings: 8,
maxSessionMemory: 9
});
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_DEFLATE_DYNAMIC_TABLE_SIZE], 1);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_RESERVED_REMOTE_STREAMS], 2);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH], 3);
strictEqual(optionsBuffer[IDX_OPTIONS_PEER_MAX_CONCURRENT_STREAMS], 4);
strictEqual(optionsBuffer[IDX_OPTIONS_PADDING_STRATEGY], 5);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_HEADER_LIST_PAIRS], 6);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_OUTSTANDING_PINGS], 7);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_OUTSTANDING_SETTINGS], 8);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_SESSION_MEMORY], 9);
const flags = optionsBuffer[IDX_OPTIONS_FLAGS];
ok(flags & (1 << IDX_OPTIONS_MAX_DEFLATE_DYNAMIC_TABLE_SIZE));
ok(flags & (1 << IDX_OPTIONS_MAX_RESERVED_REMOTE_STREAMS));
ok(flags & (1 << IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH));
ok(flags & (1 << IDX_OPTIONS_PEER_MAX_CONCURRENT_STREAMS));
ok(flags & (1 << IDX_OPTIONS_PADDING_STRATEGY));
ok(flags & (1 << IDX_OPTIONS_MAX_HEADER_LIST_PAIRS));
ok(flags & (1 << IDX_OPTIONS_MAX_OUTSTANDING_PINGS));
ok(flags & (1 << IDX_OPTIONS_MAX_OUTSTANDING_SETTINGS));
}
{
optionsBuffer[IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH] = 0;
optionsBuffer[IDX_OPTIONS_MAX_OUTSTANDING_PINGS] = 0;
updateOptionsBuffer({
maxDeflateDynamicTableSize: 1,
maxReservedRemoteStreams: 2,
peerMaxConcurrentStreams: 4,
paddingStrategy: 5,
maxHeaderListPairs: 6
});
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_DEFLATE_DYNAMIC_TABLE_SIZE], 1);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_RESERVED_REMOTE_STREAMS], 2);
strictEqual(optionsBuffer[IDX_OPTIONS_PEER_MAX_CONCURRENT_STREAMS], 4);
strictEqual(optionsBuffer[IDX_OPTIONS_PADDING_STRATEGY], 5);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_HEADER_LIST_PAIRS], 6);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH], 0);
strictEqual(optionsBuffer[IDX_OPTIONS_MAX_OUTSTANDING_PINGS], 0);
const flags = optionsBuffer[IDX_OPTIONS_FLAGS];
ok(flags & (1 << IDX_OPTIONS_MAX_DEFLATE_DYNAMIC_TABLE_SIZE));
ok(flags & (1 << IDX_OPTIONS_MAX_RESERVED_REMOTE_STREAMS));
ok(flags & (1 << IDX_OPTIONS_PEER_MAX_CONCURRENT_STREAMS));
ok(flags & (1 << IDX_OPTIONS_PADDING_STRATEGY));
ok(flags & (1 << IDX_OPTIONS_MAX_HEADER_LIST_PAIRS));
ok(!(flags & (1 << IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH)));
ok(!(flags & (1 << IDX_OPTIONS_MAX_OUTSTANDING_PINGS)));
}
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