2 files changed, 64 insertions, 0 deletions

diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index b2b7cfdb6e..9af76be257 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c
@@ -31,8 +31,10 @@
  *
  */
 
+#include <grpc/support/port_platform.h>
 #include "src/core/security/credentials.h"
 
+#include <stdlib.h>
 #include <string.h>
 
 #include "src/core/httpcli/httpcli.h"
@@ -1013,6 +1015,30 @@ static void test_metadata_plugin_failure(void) {
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
+static void test_get_well_known_google_credentials_file_path(void) {
+#ifdef GPR_POSIX_FILE
+  char *path;
+  char *old_home = gpr_getenv("HOME");
+  gpr_setenv("HOME", "/tmp");
+  path = grpc_get_well_known_google_credentials_file_path();
+  GPR_ASSERT(path != NULL);
+  GPR_ASSERT(0 == strcmp("/tmp/.config/" GRPC_GOOGLE_CLOUD_SDK_CONFIG_DIRECTORY
+                         "/" GRPC_GOOGLE_WELL_KNOWN_CREDENTIALS_FILE,
+                         path));
+  gpr_free(path);
+#if defined(GPR_POSIX_ENV) || defined(GPR_LINUX_ENV)
+  unsetenv("HOME");
+  path = grpc_get_well_known_google_credentials_file_path();
+  GPR_ASSERT(path == NULL);
+#endif /* GPR_POSIX_ENV || GPR_LINUX_ENV */
+  gpr_setenv("HOME", old_home);
+#else /* GPR_POSIX_FILE */
+  char *path = grpc_get_well_known_google_credentials_file_path();
+  GPR_ASSERT(path != NULL);
+  gpr_free(path);
+#endif
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_empty_md_store();
@@ -1043,5 +1069,6 @@ int main(int argc, char **argv) {
   test_google_default_creds_access_token();
   test_metadata_plugin_success();
   test_metadata_plugin_failure();
+  test_get_well_known_google_credentials_file_path();
   return 0;
 }
diff --git a/test/core/surface/byte_buffer_reader_test.c b/test/core/surface/byte_buffer_reader_test.c
index 6b41698717..c87fbdc897 100644
--- a/test/core/surface/byte_buffer_reader_test.c
+++ b/test/core/surface/byte_buffer_reader_test.c
@@ -217,6 +217,42 @@ static void test_readall(void) {
   grpc_byte_buffer_destroy(buffer);
 }
 
+static void test_byte_buffer_copy(void) {
+  char *lotsa_as[512];
+  char *lotsa_bs[1024];
+  gpr_slice slices[2];
+  grpc_byte_buffer *buffer;
+  grpc_byte_buffer *copied_buffer;
+  grpc_byte_buffer_reader reader;
+  gpr_slice slice_out;
+
+  LOG_TEST("test_byte_buffer_copy");
+
+  memset(lotsa_as, 'a', 512);
+  memset(lotsa_bs, 'b', 1024);
+  /* use slices large enough to overflow inlining */
+  slices[0] = gpr_slice_malloc(512);
+  memcpy(GPR_SLICE_START_PTR(slices[0]), lotsa_as, 512);
+  slices[1] = gpr_slice_malloc(1024);
+  memcpy(GPR_SLICE_START_PTR(slices[1]), lotsa_bs, 1024);
+
+  buffer = grpc_raw_byte_buffer_create(slices, 2);
+  gpr_slice_unref(slices[0]);
+  gpr_slice_unref(slices[1]);
+  copied_buffer = grpc_byte_buffer_copy(buffer);
+
+  grpc_byte_buffer_reader_init(&reader, copied_buffer);
+  slice_out = grpc_byte_buffer_reader_readall(&reader);
+
+  GPR_ASSERT(GPR_SLICE_LENGTH(slice_out) == 512 + 1024);
+  GPR_ASSERT(memcmp(GPR_SLICE_START_PTR(slice_out), lotsa_as, 512) == 0);
+  GPR_ASSERT(memcmp(&(GPR_SLICE_START_PTR(slice_out)[512]), lotsa_bs, 1024) ==
+             0);
+  gpr_slice_unref(slice_out);
+  grpc_byte_buffer_destroy(buffer);
+  grpc_byte_buffer_destroy(copied_buffer);
+}
+
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   test_read_one_slice();
@@ -225,6 +261,7 @@ int main(int argc, char **argv) {
   test_read_gzip_compressed_slice();
   test_read_deflate_compressed_slice();
   test_byte_buffer_from_reader();
+  test_byte_buffer_copy();
   test_readall();
   return 0;
 }