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test_dtls: increase coverage for non-blocking I/O

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Marco Oliverio
2025-10-22 12:47:42 +02:00
parent 6855325bf8
commit 412a78261d
2 changed files with 94 additions and 0 deletions
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92
tests/api/test_dtls.c
View File

@@ -621,6 +621,98 @@ int test_dtls13_hrr_want_write(void)
return EXPECT_RESULT();
}
int test_dtls13_every_write_want_write(void)
{
EXPECT_DECLS;
#if defined(HAVE_MANUAL_MEMIO_TESTS_DEPENDENCIES) && defined(WOLFSSL_DTLS13)
WOLFSSL_CTX *ctx_c = NULL, *ctx_s = NULL;
WOLFSSL *ssl_c = NULL, *ssl_s = NULL;
struct test_memio_ctx test_ctx;
const char msg[] = "want-write";
const int msgLen = sizeof(msg);
char readBuf[sizeof(msg)];
int hs_complete[2] = {0};
int rounds = 0;
int ret, err;
WOLFSSL* ssl;
int side;
XMEMSET(&test_ctx, 0, sizeof(test_ctx));
ExpectIntEQ(test_memio_setup(&test_ctx, &ctx_c, &ctx_s, &ssl_c, &ssl_s,
wolfDTLSv1_3_client_method, wolfDTLSv1_3_server_method),
0);
while ((!hs_complete[0] || !hs_complete[1]) && rounds < 10) {
rounds++;
for (side = 0; side < 2; side++) {
ssl = (side == 0) ? ssl_s : ssl_c;
if (hs_complete[side])
continue;
test_memio_simulate_want_write(&test_ctx, side, 1);
ret = wolfSSL_negotiate(ssl);
if (ret != WOLFSSL_SUCCESS) {
err = wolfSSL_get_error(ssl, ret);
if (err == WOLFSSL_ERROR_WANT_WRITE) {
test_memio_simulate_want_write(&test_ctx, side, 0);
ret = wolfSSL_negotiate(ssl);
}
}
if (ret == WOLFSSL_SUCCESS) {
hs_complete[side] = 1;
continue;
}
else {
ExpectIntEQ(ret, -1);
ExpectIntEQ(wolfSSL_get_error(ssl, ret),
WOLFSSL_ERROR_WANT_READ);
}
}
}
ExpectTrue(wolfSSL_is_init_finished(ssl_c));
ExpectTrue(wolfSSL_is_init_finished(ssl_s));
test_memio_simulate_want_write(&test_ctx, 0, 0);
test_memio_simulate_want_write(&test_ctx, 1, 0);
XMEMSET(readBuf, 0, sizeof(readBuf));
ExpectIntEQ(wolfSSL_write(ssl_c, msg, msgLen), msgLen);
ExpectIntEQ(wolfSSL_read(ssl_s, readBuf, sizeof(readBuf)), msgLen);
ExpectStrEQ(readBuf, msg);
XMEMSET(readBuf, 0, sizeof(readBuf));
ExpectIntEQ(wolfSSL_write(ssl_s, msg, msgLen), msgLen);
ExpectIntEQ(wolfSSL_read(ssl_c, readBuf, sizeof(readBuf)), msgLen);
ExpectStrEQ(readBuf, msg);
test_memio_simulate_want_write(&test_ctx, 0, 1);
XMEMSET(readBuf, 0, sizeof(readBuf));
ExpectIntEQ(wolfSSL_write(ssl_s, msg, msgLen), -1);
ExpectIntEQ(wolfSSL_get_error(ssl_s, -1), WOLFSSL_ERROR_WANT_WRITE);
test_memio_simulate_want_write(&test_ctx, 0, 0);
ExpectIntEQ(wolfSSL_write(ssl_s, msg, msgLen), msgLen);
ExpectIntEQ(wolfSSL_read(ssl_c, readBuf, sizeof(readBuf)), msgLen);
ExpectStrEQ(readBuf, msg);
XMEMSET(readBuf, 0, sizeof(readBuf));
test_memio_simulate_want_write(&test_ctx, 1, 1);
ExpectIntEQ(wolfSSL_write(ssl_c, msg, msgLen), -1);
ExpectIntEQ(wolfSSL_get_error(ssl_c, -1), WOLFSSL_ERROR_WANT_WRITE);
test_memio_simulate_want_write(&test_ctx, 1, 0);
ExpectIntEQ(wolfSSL_write(ssl_c, msg, msgLen), msgLen);
ExpectIntEQ(wolfSSL_read(ssl_s, readBuf, sizeof(readBuf)), msgLen);
ExpectStrEQ(readBuf, msg);
wolfSSL_free(ssl_c);
wolfSSL_CTX_free(ctx_c);
wolfSSL_free(ssl_s);
wolfSSL_CTX_free(ctx_s);
#endif
return EXPECT_RESULT();
}
int test_wolfSSL_dtls_cid_parse(void)
{
EXPECT_DECLS;

2
tests/api/test_dtls.h
View File

@@ -25,6 +25,7 @@
int test_dtls12_basic_connection_id(void);
int test_dtls13_basic_connection_id(void);
int test_dtls13_hrr_want_write(void);
int test_dtls13_every_write_want_write(void);
int test_wolfSSL_dtls_cid_parse(void);
int test_wolfSSL_dtls_set_pending_peer(void);
int test_dtls13_epochs(void);
@@ -49,6 +50,7 @@ int test_dtls_certreq_order(void);
TEST_DECL_GROUP("dtls", test_dtls12_basic_connection_id), \
TEST_DECL_GROUP("dtls", test_dtls13_basic_connection_id), \
TEST_DECL_GROUP("dtls", test_dtls13_hrr_want_write), \
TEST_DECL_GROUP("dtls", test_dtls13_every_write_want_write), \
TEST_DECL_GROUP("dtls", test_wolfSSL_dtls_cid_parse), \
TEST_DECL_GROUP("dtls", test_wolfSSL_dtls_set_pending_peer), \
TEST_DECL_GROUP("dtls", test_dtls13_epochs), \