Bundle libsamplerate

[audio-libsamplerate.git] / libsamplerate / tests / misc_test.c

diff --git a/libsamplerate/tests/misc_test.c b/libsamplerate/tests/misc_test.c
new file mode 100644 (file)
index 0000000..d177a0e
--- /dev/null
+++ b/libsamplerate/tests/misc_test.c
@@ -0,0 +1,165 @@
+/*
+** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
+** All rights reserved.
+**
+** This code is released under 2-clause BSD license. Please see the
+** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <samplerate.h>
+
+#include "util.h"
+
+static void name_test (void) ;
+static void error_test (void) ;
+static void src_ratio_test (void) ;
+static void zero_input_test (int converter) ;
+
+int
+main (void)
+{
+       puts ("") ;
+
+       printf ("    version : %s\n\n", src_get_version ()) ;
+
+       /* Current max converter is SRC_LINEAR. */
+       name_test () ;
+
+       error_test () ;
+
+       src_ratio_test () ;
+
+       zero_input_test (SRC_ZERO_ORDER_HOLD) ;
+       zero_input_test (SRC_LINEAR) ;
+       zero_input_test (SRC_SINC_FASTEST) ;
+
+       puts ("") ;
+       return 0 ;
+} /* main */
+
+static void
+name_test (void)
+{      const char      *name ;
+       int     k = 0 ;
+
+       puts ("    name_test :") ;
+
+       while (1)
+       {       name = src_get_name (k) ;
+               if (name == NULL)
+                       break ;
+               printf ("\tName %d : %s\n", k, name) ;
+               printf ("\tDesc %d : %s\n", k, src_get_description (k)) ;
+               k ++ ;
+               } ;
+
+       puts ("") ;
+
+       return ;
+} /* name_test */
+
+/*------------------------------------------------------------------------------
+*/
+
+typedef struct
+{      double  ratio ;
+       int             should_pass ;
+} RATIO_TEST ;
+
+static RATIO_TEST ratio_test [] =
+{      {       1.0 / 256.1,    0 },
+       {       1.0 / 256.0,    1 },
+       {       1.0,                    1 },
+       {       256.0,                  1 },
+       {       256.1,                  0 },
+       {       -1.0,                   0 }
+} ;
+
+static void
+src_ratio_test (void)
+{      int k ;
+
+       puts ("    src_ratio_test (SRC ratio must be in range [1/256, 256]):" ) ;
+
+
+       for (k = 0 ; k < ARRAY_LEN (ratio_test) ; k++)
+       {       if (ratio_test [k].should_pass && src_is_valid_ratio (ratio_test [k].ratio) == 0)
+               {       printf ("\n\nLine %d : SRC ratio %f should have passed.\n\n", __LINE__, ratio_test [k].ratio) ;
+                       exit (1) ;
+                       } ;
+               if (! ratio_test [k].should_pass && src_is_valid_ratio (ratio_test [k].ratio) != 0)
+               {       printf ("\n\nLine %d : SRC ratio %f should not have passed.\n\n", __LINE__, ratio_test [k].ratio) ;
+                       exit (1) ;
+                       } ;
+               printf ("\t SRC ratio (%9.5f) : %s ................... ok\n", ratio_test [k].ratio,
+                       (ratio_test [k].should_pass ? "pass" : "fail")) ;
+               } ;
+
+       puts ("") ;
+
+       return ;
+} /* src_ratio_test */
+
+static void
+error_test (void)
+{      const char *errorstr ;
+       int             k, errors = 0 ;
+
+       puts ("    error_test :") ;
+
+       for (k = 0 ; 1 ; k++)
+       {       errorstr = src_strerror (k) ;
+               printf ("\t%-2d : %s\n", k, errorstr) ;
+               if (errorstr == NULL)
+               {       errors ++ ;
+                       continue ;
+                       } ;
+               if (strstr (errorstr, "Placeholder.") == errorstr)
+                       break ;
+               } ;
+
+       if (errors != 0)
+       {       printf ("\n\nLine %d : Missing error numbers above.\n\n", __LINE__) ;
+               exit (1) ;
+               } ;
+
+       puts ("") ;
+
+       return ;
+} /* error_test */
+
+static void
+zero_input_test (int converter)
+{      SRC_DATA data ;
+       SRC_STATE *state ;
+       float out [100] ;
+       int error ;
+
+       printf ("    %s (%-26s) ........ ", __func__, src_get_name (converter)) ;
+       fflush (stdout) ;
+
+       if ((state = src_new (converter, 1, &error)) == NULL)
+       {       printf ("\n\nLine %d : src_new failed : %s.\n\n", __LINE__, src_strerror (error)) ;
+               exit (1) ;
+               } ;
+
+       data.data_in = (float *) 0xdeadbeef ;
+       data.input_frames = 0 ;
+       data.data_out = out ;
+       data.output_frames = ARRAY_LEN (out) ;
+       data.end_of_input = 0 ;
+       data.src_ratio = 1.0 ;
+
+       if ((error = src_process (state, &data)))
+       {       printf ("\n\nLine %d : src_new failed : %s.\n\n", __LINE__, src_strerror (error)) ;
+               exit (1) ;
+               } ;
+
+       state = src_delete (state) ;
+
+       puts ("ok") ;
+} /* zero_input_test */