Creates boilerplate for LpcmDecoder tests

PiperOrigin-RevId: 631813725

Author: trevorknight

iamf/cli/codec/tests/BUILD

@@ -70,6 +70,20 @@ cc_test(
     ],
 )
 
+cc_test(
+    name = "lpcm_decoder_test",
+    size = "small",
+    srcs = ["lpcm_decoder_test.cc"],
+    deps = [
+        "//iamf/cli/codec:lpcm_decoder",
+        "//iamf/obu:codec_config",
+        "//iamf/obu:obu_header",
+        "//iamf/obu/decoder_config:lpcm_decoder_config",
+        "@com_google_absl//absl/status",
+        "@com_google_googletest//:gtest_main",
+    ],
+)
+
 cc_test(
     name = "lpcm_encoder_test",
     size = "small",

iamf/cli/codec/tests/lpcm_decoder_test.cc

@@ -0,0 +1,39 @@
+#include "iamf/cli/codec/lpcm_decoder.h"
+
+#include <cstdint>
+
+#include "gtest/gtest.h"
+#include "iamf/obu/codec_config.h"
+#include "iamf/obu/decoder_config/lpcm_decoder_config.h"
+#include "iamf/obu/obu_header.h"
+
+namespace iamf_tools {
+namespace {
+
+CodecConfigObu CreateCodecConfigObu(uint32_t num_samples_per_frame) {
+  LpcmDecoderConfig lpcm_decoder_config;
+  lpcm_decoder_config.sample_size_ = 16;
+  lpcm_decoder_config.sample_rate_ = 48000;
+
+  const CodecConfig codec_config = {
+      .codec_id = CodecConfig::kCodecIdLpcm,
+      .num_samples_per_frame = num_samples_per_frame,
+      .audio_roll_distance = 0,
+      .decoder_config = lpcm_decoder_config};
+
+  CodecConfigObu codec_config_obu(ObuHeader(), 0, codec_config);
+  return codec_config_obu;
+};
+
+TEST(LpcmDecoderTest, Construct) {
+  uint32_t num_samples_per_frame = 1024;
+  CodecConfigObu codec_config_obu = CreateCodecConfigObu(num_samples_per_frame);
+  ASSERT_TRUE(codec_config_obu.Initialize().ok());
+
+  int number_of_channels = 11;
+
+  LpcmDecoder lpcm_decoder(codec_config_obu, number_of_channels);
+}
+
+}  // namespace
+}  // namespace iamf_tools