diff options
Diffstat (limited to 'test/lilv_test.c')
| -rw-r--r-- | test/lilv_test.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/test/lilv_test.c b/test/lilv_test.c index b5c5302..1994832 100644 --- a/test/lilv_test.c +++ b/test/lilv_test.c @@ -28,6 +28,9 @@ #include <math.h> #include "lilv/lilv.h" +#include "../src/lilv_internal.h" + +#include "lv2/lv2plug.in/ns/ext/urid/urid.h" #define TEST_PATH_MAX 1024 @@ -972,6 +975,156 @@ test_ui(void) /*****************************************************************************/ +float in = 1.0; +float out = 42.0; + +LilvNode* +get_port_value(const char* port_symbol, void* user_data) +{ + if (!strcmp(port_symbol, "input")) { + return lilv_new_float((LilvWorld*)user_data, in); + } else if (!strcmp(port_symbol, "output")) { + return lilv_new_float((LilvWorld*)user_data, out); + } else { + fprintf(stderr, "error: get_port_value for nonexistent port `%s'\n", + port_symbol); + return NULL; + } +} + +void +set_port_value(const char* port_symbol, + const LilvNode* value, + void* user_data) +{ + if (!strcmp(port_symbol, "input")) { + in = lilv_node_as_float(value); + } else if (!strcmp(port_symbol, "output")) { + out = lilv_node_as_float(value); + } else { + fprintf(stderr, "error: set_port_value for nonexistent port `%s'\n", + port_symbol); + } +} + +char** uris = NULL; +size_t n_uris = 0; + +LV2_URID +map_uri(LV2_URID_Map_Handle handle, + const char* uri) +{ + for (size_t i = 0; i < n_uris; ++i) { + if (!strcmp(uris[i], uri)) { + return i + 1; + } + } + + uris = realloc(uris, ++n_uris * sizeof(char*)); + uris[n_uris - 1] = lilv_strdup(uri); + return n_uris; +} + +const char* +unmap_uri(LV2_URID_Map_Handle handle, + LV2_URID urid) +{ + if (urid > 0 && urid <= n_uris) { + return uris[urid - 1]; + } + return NULL; +} + +int +test_state(void) +{ + LilvWorld* world = lilv_world_new(); + LilvNode* bundle_uri = lilv_new_uri(world, LILV_TEST_BUNDLE); + LilvNode* plugin_uri = lilv_new_uri(world, + "http://example.org/lilv-test-plugin"); + lilv_world_load_bundle(world, bundle_uri); + + const LilvPlugins* plugins = lilv_world_get_all_plugins(world); + const LilvPlugin* plugin = lilv_plugins_get_by_uri(plugins, plugin_uri); + TEST_ASSERT(plugin); + + LV2_URID_Map map = { NULL, map_uri }; + LV2_Feature map_feature = { LV2_URID_MAP_URI, &map }; + LV2_URID_Unmap unmap = { NULL, unmap_uri }; + LV2_Feature unmap_feature = { LV2_URID_UNMAP_URI, &unmap }; + const LV2_Feature* features[] = { &map_feature, &unmap_feature, NULL }; + + LilvInstance* instance = lilv_plugin_instantiate(plugin, 48000.0, features); + TEST_ASSERT(instance); + + lilv_instance_connect_port(instance, 0, &in); + lilv_instance_connect_port(instance, 1, &out); + + lilv_instance_run(instance, 1); + TEST_ASSERT(in == 1.0); + TEST_ASSERT(out == 1.0); + + // Get instance state state + LilvState* state = lilv_state_new_from_instance( + plugin, instance, get_port_value, world, 0, NULL); + + // Get another instance state + LilvState* state2 = lilv_state_new_from_instance( + plugin, instance, get_port_value, world, 0, NULL); + + // Ensure they are equal + TEST_ASSERT(lilv_state_equals(state, state2)); + + const LilvNode* state_plugin_uri = lilv_state_get_plugin_uri(state); + TEST_ASSERT(lilv_node_equals(state_plugin_uri, plugin_uri)); + + // Tinker with the label of the first state + TEST_ASSERT(lilv_state_get_label(state) == NULL); + lilv_state_set_label(state, "Test State Old Label"); + TEST_ASSERT(!strcmp(lilv_state_get_label(state), "Test State Old Label")); + lilv_state_set_label(state, "Test State"); + TEST_ASSERT(!strcmp(lilv_state_get_label(state), "Test State")); + + TEST_ASSERT(!lilv_state_equals(state, state2)); // Label changed + + // Run and get a new instance state (which should now differ) + lilv_instance_run(instance, 1); + LilvState* state3 = lilv_state_new_from_instance( + plugin, instance, get_port_value, world, 0, NULL); + TEST_ASSERT(!lilv_state_equals(state2, state3)); // num_runs changed + + // Restore instance state to original state + lilv_state_restore(state2, instance, set_port_value, NULL, 0, NULL); + + // Take a new snapshot and ensure it matches the set state + LilvState* state4 = lilv_state_new_from_instance( + plugin, instance, get_port_value, world, 0, NULL); + TEST_ASSERT(lilv_state_equals(state2, state4)); + + // Save state to a file + int ret = lilv_state_save(world, &unmap, state, NULL, + "state.ttl", "manifest.ttl"); + TEST_ASSERT(!ret); + + // Load state from file + LilvState* state5 = lilv_state_new_from_file(world, &map, NULL, "state.ttl"); + TEST_ASSERT(lilv_state_equals(state, state5)); // Round trip accuracy + + lilv_state_free(state); + lilv_state_free(state2); + lilv_state_free(state3); + lilv_state_free(state4); + lilv_state_free(state5); + + lilv_instance_free(instance); + + lilv_node_free(bundle_uri); + lilv_world_free(world); + return 1; +} + +/*****************************************************************************/ + /* add tests here */ static struct TestCase tests[] = { TEST_CASE(utils), @@ -983,6 +1136,7 @@ static struct TestCase tests[] = { TEST_CASE(plugin), TEST_CASE(port), TEST_CASE(ui), + TEST_CASE(state), { NULL, NULL } }; |