172 lines
8.8 KiB
C
172 lines
8.8 KiB
C
/* JACK ABI fake: deterministic fault injection, linked without libjack.
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* Processing is driven synchronously here; realtime concurrency is tested
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* separately by test_realtime. No fake header replaces installed declarations. */
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#include "xtc/xtc_backend.h"
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#include <jack/jack.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#define CHECK(c) do { if (!(c)) { fprintf(stderr,"FAIL %s:%d: %s\n",__FILE__,__LINE__,#c); return 1; } } while (0)
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static JackProcessCallback process_cb;
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static JackSampleRateCallback rate_cb;
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static JackBufferSizeCallback size_cb;
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static JackXRunCallback xrun_cb;
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static JackShutdownCallback shutdown_cb;
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static void *context;
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static float input[128], output[128];
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static int client_token, input_token, output_token;
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static int open_fail, register_fail, callback_fail, activate_fail, deactivate_fail, close_fail;
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static int active, closed, port_calls, null_buffer;
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static unsigned int server_frames = 32U;
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jack_client_t *jack_client_open(const char *name, jack_options_t options, jack_status_t *status, ...)
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{
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(void)name; (void)status;
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if (options != JackNoStartServer || open_fail) return NULL;
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port_calls = 0;
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process_cb = NULL; rate_cb = NULL; size_cb = NULL; xrun_cb = NULL; shutdown_cb = NULL;
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return (jack_client_t *)&client_token;
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}
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int jack_client_close(jack_client_t *client)
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{ (void)client; if (close_fail) return -1; active = 0; ++closed; return 0; }
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int jack_client_name_size(void) { return 64; }
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jack_nframes_t jack_get_sample_rate(jack_client_t *client) { (void)client; return 48000U; }
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jack_nframes_t jack_get_buffer_size(jack_client_t *client) { (void)client; return server_frames; }
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jack_port_t *jack_port_register(jack_client_t *client, const char *name, const char *type,
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unsigned long flags, unsigned long buffer_size)
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{
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(void)client; (void)name; (void)type; (void)buffer_size;
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++port_calls;
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if (register_fail == port_calls) return NULL;
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return (jack_port_t *)(flags == JackPortIsInput ? &input_token : &output_token);
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}
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int jack_set_process_callback(jack_client_t *client, JackProcessCallback callback, void *arg)
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{ (void)client; process_cb = callback; context = arg; return callback_fail ? -1 : 0; }
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int jack_set_sample_rate_callback(jack_client_t *client, JackSampleRateCallback callback, void *arg)
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{ (void)client; (void)arg; rate_cb = callback; return 0; }
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int jack_set_buffer_size_callback(jack_client_t *client, JackBufferSizeCallback callback, void *arg)
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{ (void)client; (void)arg; size_cb = callback; return 0; }
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int jack_set_xrun_callback(jack_client_t *client, JackXRunCallback callback, void *arg)
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{ (void)client; (void)arg; xrun_cb = callback; return 0; }
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void jack_on_shutdown(jack_client_t *client, JackShutdownCallback callback, void *arg)
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{ (void)client; (void)arg; shutdown_cb = callback; }
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int jack_activate(jack_client_t *client)
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{ (void)client; if (activate_fail) return -1; active = 1; return 0; }
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int jack_deactivate(jack_client_t *client)
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{ (void)client; if (deactivate_fail) return -1; active = 0; return 0; }
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void *jack_port_get_buffer(jack_port_t *port, jack_nframes_t frames)
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{ (void)frames; if (null_buffer) return NULL; return port == (jack_port_t *)&input_token ? input : output; }
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const char *jack_port_name(const jack_port_t *port)
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{ return port == (jack_port_t *)&input_token ? "test:input" : "test:output"; }
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const char **jack_get_ports(jack_client_t *client, const char *pattern, const char *type, unsigned long flags)
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{
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const char **list = malloc(2U * sizeof(*list));
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(void)client; (void)pattern; (void)type; (void)flags;
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if (list != NULL) { list[0] = "fake:audio"; list[1] = NULL; }
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return list;
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}
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void jack_free(void *pointer) { free(pointer); }
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int jack_connect(jack_client_t *client, const char *source, const char *dest)
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{ (void)client; return strstr(source, "missing") || strstr(dest, "missing") ? -1 : EEXIST; }
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int jack_disconnect(jack_client_t *client, const char *source, const char *dest)
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{ (void)client; (void)source; (void)dest; return 0; }
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static int visit(const char *name, void *arg)
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{ if (strcmp(name, "fake:audio") == 0) ++*(int *)arg; return 0; }
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int main(void)
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{
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xtc_backend_config config = {XTC_BACKEND_JACK, "test", 64U, 1U};
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xtc_backend *backend = NULL;
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xtc_backend_status status;
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xtc_graph *graph = NULL;
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size_t node, i;
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const char *name;
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int visits = 0, iteration;
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CHECK(xtc_backend_open(NULL, &backend) == XTC_ERR_INVALID_ARGUMENT && backend == NULL);
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config.channel_count = 2U;
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CHECK(xtc_backend_open(&config, &backend) == XTC_ERR_INVALID_ARGUMENT);
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config.channel_count = 1U;
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config.kind = (xtc_backend_kind)999;
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CHECK(xtc_backend_open(&config, &backend) == XTC_ERR_UNSUPPORTED);
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config.kind = XTC_BACKEND_JACK;
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open_fail = 1;
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CHECK(xtc_backend_open(&config, &backend) == XTC_ERR_IO && backend == NULL);
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open_fail = 0;
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server_frames = 128U;
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CHECK(xtc_backend_open(&config, &backend) == XTC_ERR_CAPACITY && backend == NULL);
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server_frames = 32U;
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register_fail = 2;
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CHECK(xtc_backend_open(&config, &backend) == XTC_ERR_IO && backend == NULL);
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register_fail = 0;
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callback_fail = 1;
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CHECK(xtc_backend_open(&config, &backend) == XTC_ERR_IO && backend == NULL);
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close_fail = 1;
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CHECK(xtc_backend_open(&config, &backend) == XTC_ERR_IO && backend != NULL);
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CHECK(xtc_backend_start(backend) == XTC_ERR_INVALID_STATE);
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close_fail = 0;
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CHECK(xtc_backend_close(backend) == XTC_OK);
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callback_fail = 0;
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CHECK(xtc_graph_create(1U, &graph) == XTC_OK);
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CHECK(xtc_graph_add_gain(graph, 0.5f, &node) == XTC_OK);
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CHECK(xtc_backend_open(&config, &backend) == XTC_OK);
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CHECK(xtc_backend_submit(backend, graph) == XTC_OK);
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CHECK(xtc_backend_submit(backend, graph) == XTC_ERR_CAPACITY);
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CHECK(xtc_backend_port_name(backend, XTC_PORT_OUTPUT, &name) == XTC_OK && strcmp(name,"test:output") == 0);
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CHECK(xtc_backend_visit_ports(backend, XTC_PORT_INPUT, visit, &visits) == XTC_OK && visits == 1);
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CHECK(xtc_backend_connect(backend, XTC_PORT_OUTPUT, "fake:in") == XTC_ERR_INVALID_STATE);
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activate_fail = 1;
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CHECK(xtc_backend_start(backend) == XTC_ERR_IO);
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activate_fail = 0;
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CHECK(xtc_backend_start(backend) == XTC_OK);
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CHECK(xtc_backend_start(backend) == XTC_ERR_INVALID_STATE);
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CHECK(xtc_backend_connect(backend, XTC_PORT_OUTPUT, "fake:in") == XTC_OK);
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CHECK(xtc_backend_connect(backend, XTC_PORT_INPUT, "missing:out") == XTC_ERR_IO);
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CHECK(xtc_backend_disconnect(backend, XTC_PORT_OUTPUT, "fake:in") == XTC_OK);
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for (i = 0U; i < 128U; ++i) input[i] = 1.0f;
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CHECK(process_cb(32U, context) == 0 && output[0] == 0.5f);
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CHECK(size_cb(128U, context) == 0);
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CHECK(process_cb(128U, context) == 0 && output[127] == 0.0f);
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CHECK(xtc_backend_get_status(backend, &status) == XTC_OK && status.process_result == XTC_ERR_CAPACITY);
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CHECK(size_cb(16U, context) == 0);
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CHECK(process_cb(16U, context) == 0 && output[15] == 0.5f);
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CHECK(xrun_cb(context) == 0);
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CHECK(xtc_backend_get_status(backend, &status) == XTC_OK && status.xruns == 1U && status.buffer_frames == 16U);
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null_buffer = 1;
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CHECK(process_cb(16U, context) == 0);
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null_buffer = 0;
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CHECK(xtc_backend_get_status(backend, &status) == XTC_OK && status.process_result == XTC_ERR_IO);
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CHECK(rate_cb(44100U, context) == 0);
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CHECK(process_cb(16U, context) == 0 && output[0] == 0.0f);
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CHECK(xtc_backend_get_status(backend, &status) == XTC_OK && status.sample_rate_changed && status.sample_rate == 44100U);
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CHECK(xtc_backend_submit(backend, graph) == XTC_ERR_INVALID_STATE);
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deactivate_fail = 1;
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CHECK(xtc_backend_stop(backend) == XTC_ERR_IO);
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deactivate_fail = 0;
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CHECK(xtc_backend_stop(backend) == XTC_OK && !active);
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CHECK(xtc_backend_start(backend) == XTC_ERR_INVALID_STATE);
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CHECK(xtc_backend_close(backend) == XTC_OK);
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for (iteration = 0; iteration < 100; ++iteration) {
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CHECK(xtc_backend_open(&config, &backend) == XTC_OK);
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CHECK(xtc_backend_submit(backend, graph) == XTC_OK);
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CHECK(xtc_backend_start(backend) == XTC_OK);
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CHECK(process_cb(32U, context) == 0);
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if (iteration % 2 == 0) {
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shutdown_cb(context);
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CHECK(xtc_backend_get_status(backend, &status) == XTC_OK && status.server_lost && !status.running);
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CHECK(xtc_backend_start(backend) == XTC_ERR_INVALID_STATE);
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} else {
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CHECK(xtc_backend_stop(backend) == XTC_OK);
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CHECK(xtc_backend_start(backend) == XTC_OK);
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}
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CHECK(xtc_backend_submit(backend, graph) == (iteration % 2 == 0 ? XTC_ERR_INVALID_STATE : XTC_OK));
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close_fail = 1;
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CHECK(xtc_backend_close(backend) == XTC_ERR_IO);
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close_fail = 0;
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CHECK(xtc_backend_close(backend) == XTC_OK);
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}
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CHECK(closed >= 104);
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CHECK(xtc_backend_close(NULL) == XTC_OK);
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xtc_graph_destroy(graph);
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puts("JACK backend fault-injection tests passed.");
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return 0;
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}
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