107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
#include "../features.c"
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#include <ccan/err/err.h>
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#include <ccan/mem/mem.h>
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#include <ccan/str/hex/hex.h>
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#include <common/utils.h>
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#include <stdio.h>
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#include <wally_core.h>
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/* AUTOGENERATED MOCKS START */
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/* AUTOGENERATED MOCKS END */
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int main(void)
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{
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u8 *bits, *lf, *gf;
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setup_locale();
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secp256k1_ctx = wally_get_secp_context();
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setup_tmpctx();
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bits = tal_arr(tmpctx, u8, 0);
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for (size_t i = 0; i < 100; i += 3)
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set_bit(&bits, i);
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for (size_t i = 0; i < 100; i++)
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assert(test_bit(bits, i / 8, i % 8) == ((i % 3) == 0));
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for (size_t i = 0; i < 100; i++)
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assert(feature_set(bits, i) == ((i % 3) == 0));
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/* Simple test: single byte */
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bits = tal_arr(tmpctx, u8, 1);
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/* Compulsory feature */
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bits[0] = (1 << 0);
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assert(feature_offered(bits, 0));
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assert(!feature_offered(bits, 2));
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assert(!feature_offered(bits, 8));
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assert(!feature_offered(bits, 16));
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/* Optional feature */
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bits[0] = (1 << 1);
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assert(feature_offered(bits, 0));
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assert(!feature_offered(bits, 2));
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assert(!feature_offered(bits, 8));
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assert(!feature_offered(bits, 16));
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/* Endian-sensitive test: big-endian means we frob last byte here */
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bits = tal_arrz(tmpctx, u8, 2);
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bits[1] = (1 << 0);
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assert(feature_offered(bits, 0));
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assert(!feature_offered(bits, 2));
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assert(!feature_offered(bits, 8));
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assert(!feature_offered(bits, 16));
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/* Optional feature */
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bits[1] = (1 << 1);
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assert(feature_offered(bits, 0));
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assert(!feature_offered(bits, 2));
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assert(!feature_offered(bits, 8));
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assert(!feature_offered(bits, 16));
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/* We always support no features. */
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memset(bits, 0, tal_count(bits));
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assert(features_supported(bits, bits));
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/* We must support our own features. */
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lf = get_offered_globalfeatures(tmpctx);
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gf = get_offered_globalfeatures(tmpctx);
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assert(features_supported(gf, lf));
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/* We can add random odd features, no problem. */
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for (size_t i = 1; i < 16; i += 2) {
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bits = tal_dup_arr(tmpctx, u8, lf, tal_count(lf), 0);
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set_bit(&bits, i);
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assert(features_supported(gf, bits));
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bits = tal_dup_arr(tmpctx, u8, gf, tal_count(gf), 0);
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set_bit(&bits, i);
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assert(features_supported(bits, lf));
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}
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/* We can't add random even features. */
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for (size_t i = 0; i < 16; i += 2) {
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bits = tal_dup_arr(tmpctx, u8, lf, tal_count(lf), 0);
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set_bit(&bits, i);
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/* Special case for missing compulsory feature */
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if (i == 2) {
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assert(!features_supported(gf, bits));
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} else {
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assert(features_supported(gf, bits)
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== feature_supported(i, our_localfeatures,
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ARRAY_SIZE(our_localfeatures)));
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}
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bits = tal_dup_arr(tmpctx, u8, gf, tal_count(gf), 0);
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set_bit(&bits, i);
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assert(features_supported(bits, lf)
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== feature_supported(i, our_globalfeatures,
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ARRAY_SIZE(our_globalfeatures)));
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}
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wally_cleanup(0);
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tal_free(tmpctx);
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return 0;
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}
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