Add tests for espeak_SetVoiceByName.

tests/api.c

 #include "synthesize.h"
 #include "translate.h"
 
+// region espeak_Initialize
+
 void
 test_espeak_terminate_without_initialize()
 {
 	assert(p_decoder == NULL);
 }
 
+// endregion
+// region espeak_Synth
+
 void
 test_espeak_synth()
 {
 	assert(p_decoder == NULL);
 }
 
+// endregion
+// region espeak_SetVoiceByName
+
+void
+test_espeak_set_voice_by_name_null_voice()
+{
+	printf("testing espeak_SetVoiceByName(NULL)\n");
+
+	assert(event_list == NULL);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+
+	assert(espeak_Initialize(AUDIO_OUTPUT_RETRIEVAL, 0, NULL, 0) == 22050);
+	assert(event_list != NULL);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+
+	assert(espeak_SetVoiceByName("") == EE_NOT_FOUND);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+
+	const char *test = "One two three.";
+	assert(espeak_Synth(test, strlen(test)+1, 0, POS_CHARACTER, 0, espeakCHARS_AUTO, NULL, NULL) == EE_OK);
+	assert(translator != NULL);
+	assert(p_decoder != NULL);
+
+	assert(espeak_Synchronize() == EE_OK);
+	assert(translator != NULL);
+	assert(p_decoder != NULL);
+
+	assert(espeak_Terminate() == EE_OK);
+	assert(event_list == NULL);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+}
+
+void
+test_espeak_set_voice_by_name_blank_voice()
+{
+	printf("testing espeak_SetVoiceByName(\"\")\n");
+
+	assert(event_list == NULL);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+
+	assert(espeak_Initialize(AUDIO_OUTPUT_RETRIEVAL, 0, NULL, 0) == 22050);
+	assert(event_list != NULL);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+
+	assert(espeak_SetVoiceByName("") == EE_NOT_FOUND);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+
+	const char *test = "One two three.";
+	assert(espeak_Synth(test, strlen(test)+1, 0, POS_CHARACTER, 0, espeakCHARS_AUTO, NULL, NULL) == EE_OK);
+	assert(translator != NULL);
+	assert(p_decoder != NULL);
+
+	assert(espeak_Synchronize() == EE_OK);
+	assert(translator != NULL);
+	assert(p_decoder != NULL);
+
+	assert(espeak_Terminate() == EE_OK);
+	assert(event_list == NULL);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+}
+
+void
+test_espeak_set_voice_by_name_valid_voice()
+{
+	printf("testing espeak_SetVoiceByName(\"de\")\n");
+
+	assert(event_list == NULL);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+
+	assert(espeak_Initialize(AUDIO_OUTPUT_RETRIEVAL, 0, NULL, 0) == 22050);
+	assert(event_list != NULL);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+
+	assert(espeak_SetVoiceByName("de") == EE_OK);
+	assert(translator != NULL);
+	assert(p_decoder == NULL);
+
+	const char *test = "One two three.";
+	assert(espeak_Synth(test, strlen(test)+1, 0, POS_CHARACTER, 0, espeakCHARS_AUTO, NULL, NULL) == EE_OK);
+	assert(translator != NULL);
+	assert(p_decoder != NULL);
+
+	assert(espeak_Synchronize() == EE_OK);
+	assert(translator != NULL);
+	assert(p_decoder != NULL);
+
+	assert(espeak_Terminate() == EE_OK);
+	assert(event_list == NULL);
+	assert(translator == NULL);
+	assert(p_decoder == NULL);
+}
+
+// endregion
+
 int
 main(int argc, char **argv)
 {
 	test_espeak_synth_no_voices(progdir);
 	test_espeak_synth();
 
+	test_espeak_set_voice_by_name_null_voice();
+	test_espeak_set_voice_by_name_blank_voice();
+	test_espeak_set_voice_by_name_valid_voice();
+
 	free(progdir);
 
 	return EXIT_SUCCESS;