Add build targets for Opus tests.

third_party/opus/BUILD.gn

Index: third_party/opus/BUILD.gn
diff --git a/third_party/opus/BUILD.gn b/third_party/opus/BUILD.gn
index 2905a4922b30a1a882f4a379c2794ebb642b5932..244ddcd6927fbb64850c40c665e05804c18d9384 100644
--- a/third_party/opus/BUILD.gn
+++ b/third_party/opus/BUILD.gn
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import("//build/config/arm.gni")
+import("//testing/test.gni")
 
 # If fixed point implementation shall be used (otherwise float).
 use_opus_fixed_point = cpu_arch == "arm" || cpu_arch == "arm64"
@@ -19,6 +20,23 @@ config("opus_config") {
   include_dirs = [ "src/include" ]
 }
 
+config("opus_test_config") {
+  include_dirs = [
+    "src/celt",
+    "src/silk",
+  ]
+
+  if (is_win) {
+    defines = [ "inline=__inline" ]
+  }
+  if (is_android) {
+    libs = [ "log" ]
+  }
+  if (is_clang) {
+    cflags = [ "-Wno-absolute-value" ]
+  }
+}
+
 if (use_opus_rtcd) {
   action("convert_rtcd_assembler") {
     script = "convert_rtcd_assembler.py"
@@ -143,23 +161,11 @@ executable("opus_compare") {
   ]
 
   configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-
-  include_dirs = [
-    "src/celt",
-    "src/silk",
+  configs += [
+    "//build/config/compiler:no_chromium_code",
+    ":opus_test_config",
   ]
 
-  if (is_win) {
-    defines = [ "inline=__inline" ]
-  }
-  if (is_android) {
-    libs = [ "log" ]
-  }
-  if (is_clang) {
-    cflags = [ "-Wno-absolute-value" ]
-  }
-
   deps = [
     ":opus",
   ]
@@ -171,24 +177,84 @@ executable("opus_demo") {
   ]
 
   configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
+  configs += [
+    "//build/config/compiler:no_chromium_code",
+    ":opus_test_config",
+  ]
 
-  include_dirs = [
-    "src/celt",
-    "src/silk",
+  deps = [
+    ":opus",
   ]
+}
 
-  if (is_win) {
-    defines = [ "inline=__inline" ]
-  }
-  if (is_android) {
-    libs = [ "log" ]
-  }
-  if (is_clang) {
-    cflags = [ "-Wno-absolute-value" ]
+test("test_opus_api") {
+  sources = [
+    "src/tests/test_opus_api.c",
+  ]
+
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [
+    "//build/config/compiler:no_chromium_code",
+    ":opus_test_config",
+  ]
+
+  deps = [
+    ":opus",
+  ]
+}
+
+test("test_opus_encode") {
+  sources = [
+    "src/tests/test_opus_encode.c",
+  ]
+
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [
+    "//build/config/compiler:no_chromium_code",
+    ":opus_test_config",
+  ]
+
+  deps = [
+    ":opus",
+  ]
+}
+
+test("test_opus_decode") {
+  sources = [
+    "src/tests/test_opus_decode.c",
+  ]
+
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [
+    "//build/config/compiler:no_chromium_code",
+    ":opus_test_config",
+  ]
+
+  # test_opus_decode passes a null pointer to opus_decode() for an argument
+  # marked as requiring a non-null value by the nonnull function attribute,
+  # and expects opus_decode() to fail. Disable the -Wnonnull option to avoid
+  # a compilation error if -Werror is specified.
+  if (is_posix) {
+    cflags = [ "-Wno-nonnull" ]
   }
 
   deps = [
     ":opus",
   ]
 }
+
+test("test_opus_padding") {
+  sources = [
+    "src/tests/test_opus_padding.c",
+  ]
+
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [
+    "//build/config/compiler:no_chromium_code",
+    ":opus_test_config",
+  ]
+
+  deps = [
+    ":opus",
+  ]
+}