Have created read tests

tests/ffprobe_media_tests.json

@@ -1,4 +1,57 @@
 [
+  {
+    "streams": [
+      {
+        "index": 0,
+        "codec_name": "pcm_s24le",
+        "codec_long_name": "PCM signed 24-bit little-endian",
+        "codec_type": "audio",
+        "codec_time_base": "1/48000",
+        "codec_tag_string": "[1][0][0][0]",
+        "codec_tag": "0x0001",
+        "sample_fmt": "s32",
+        "sample_rate": "48000",
+        "channels": 2,
+        "channel_layout": "stereo",
+        "bits_per_sample": 24,
+        "r_frame_rate": "0/0",
+        "avg_frame_rate": "0/0",
+        "time_base": "1/48000",
+        "duration_ts": 4800,
+        "duration": "0.100000",
+        "bit_rate": "2304000",
+        "bits_per_raw_sample": "24",
+        "disposition": {
+          "default": 0,
+          "dub": 0,
+          "original": 0,
+          "comment": 0,
+          "lyrics": 0,
+          "karaoke": 0,
+          "forced": 0,
+          "hearing_impaired": 0,
+          "visual_impaired": 0,
+          "clean_effects": 0,
+          "attached_pic": 0,
+          "timed_thumbnails": 0
+        }
+      }
+    ],
+    "format": {
+      "filename": "tests/media/ff_pink.wav",
+      "nb_streams": 1,
+      "nb_programs": 0,
+      "format_name": "wav",
+      "format_long_name": "WAV / WAVE (Waveform Audio)",
+      "duration": "0.100000",
+      "size": "28902",
+      "bit_rate": "2312160",
+      "probe_score": 99,
+      "tags": {
+        "encoder": "Lavf58.45.100"
+      }
+    }
+  },
   {
     "streams": [
       {

tests/integration_test.rs

@@ -74,4 +74,45 @@ fn test_minimal_wave()  {
     } else {
         assert!(true);
     }
+}
+
+#[test]
+fn test_read() {
+    let path = "tests/media/audacity_16bit.wav";
+
+    let mut w = WaveReader::open(path).expect("Failure opening test file");
+
+    let mut reader = w.audio_frame_reader().unwrap();
+
+    let mut buffer = reader.create_frame_buffer();
+
+    assert_eq!(reader.read_integer_frame(&mut buffer).unwrap(), 1);
+    assert_eq!(buffer[0], -2823_i32);
+    assert_eq!(reader.read_integer_frame(&mut buffer).unwrap(), 1);
+    assert_eq!(buffer[0], 2012_i32);
+    assert_eq!(reader.read_integer_frame(&mut buffer).unwrap(), 1);
+    assert_eq!(buffer[0], 4524_i32); 
+}
+
+#[test]
+fn test_locate_multichannel_read() {
+    let path = "tests/media/ff_pink.wav";
+
+    let mut w = WaveReader::open(path).expect("Failure opening test file");
+
+    let mut reader = w.audio_frame_reader().unwrap();
+
+    let mut buffer = reader.create_frame_buffer();
+
+    assert_eq!(reader.read_integer_frame(&mut buffer).unwrap(), 1);
+    assert_eq!(buffer[0], 332702_i32);
+    assert_eq!(buffer[1], 3258791_i32);
+    assert_eq!(reader.read_integer_frame(&mut buffer).unwrap(), 1);
+    assert_eq!(buffer[0], -258742_i32); // 0x800000 = 8388608 // 8129866 - 8388608
+    assert_eq!(buffer[1], 0x0D7EF9_i32);
+
+    assert_eq!(reader.locate(100).unwrap(), 100);
+    assert_eq!(reader.read_integer_frame(&mut buffer).unwrap(), 1);
+    assert_eq!(buffer[0], 0x109422_i32);
+    assert_eq!(buffer[1], -698901_i32); // 7689707 - 8388608
 }