3 files changed, 26 insertions, 22 deletions

diff --git a/test/core/compression/algorithm_test.c b/test/core/compression/algorithm_test.c
index ff17667b94..37397ced8d 100644
--- a/test/core/compression/algorithm_test.c
+++ b/test/core/compression/algorithm_test.c
@@ -40,6 +40,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/useful.h>
 
+#include "src/core/lib/slice/slice_internal.h"
 #include "src/core/lib/transport/static_metadata.h"
 #include "test/core/util/test_config.h"
 
@@ -51,32 +52,33 @@ static void test_algorithm_mesh(void) {
   for (i = 0; i < GRPC_COMPRESS_ALGORITHMS_COUNT; i++) {
     char *name;
     grpc_compression_algorithm parsed;
-    grpc_mdstr *mdstr;
-    grpc_mdelem *mdelem;
+    grpc_slice mdstr;
+    grpc_mdelem mdelem;
     grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
     GPR_ASSERT(
         grpc_compression_algorithm_name((grpc_compression_algorithm)i, &name));
-    GPR_ASSERT(grpc_compression_algorithm_parse(name, strlen(name), &parsed));
+    GPR_ASSERT(grpc_compression_algorithm_parse(
+        grpc_slice_from_static_string(name), &parsed));
     GPR_ASSERT((int)parsed == i);
-    mdstr = grpc_mdstr_from_string(name);
-    GPR_ASSERT(mdstr == grpc_compression_algorithm_mdstr(parsed));
-    GPR_ASSERT(parsed == grpc_compression_algorithm_from_mdstr(mdstr));
+    mdstr = grpc_slice_from_copied_string(name);
+    GPR_ASSERT(grpc_slice_eq(mdstr, grpc_compression_algorithm_slice(parsed)));
+    GPR_ASSERT(parsed == grpc_compression_algorithm_from_slice(mdstr));
     mdelem = grpc_compression_encoding_mdelem(parsed);
-    GPR_ASSERT(mdelem->value == mdstr);
-    GPR_ASSERT(mdelem->key == GRPC_MDSTR_GRPC_ENCODING);
-    GRPC_MDSTR_UNREF(&exec_ctx, mdstr);
+    GPR_ASSERT(grpc_slice_eq(GRPC_MDVALUE(mdelem), mdstr));
+    GPR_ASSERT(grpc_slice_eq(GRPC_MDKEY(mdelem), GRPC_MDSTR_GRPC_ENCODING));
+    grpc_slice_unref_internal(&exec_ctx, mdstr);
     GRPC_MDELEM_UNREF(&exec_ctx, mdelem);
     grpc_exec_ctx_finish(&exec_ctx);
   }
 
   /* test failure */
-  GPR_ASSERT(NULL ==
-             grpc_compression_encoding_mdelem(GRPC_COMPRESS_ALGORITHMS_COUNT));
+  GPR_ASSERT(GRPC_MDISNULL(
+      grpc_compression_encoding_mdelem(GRPC_COMPRESS_ALGORITHMS_COUNT)));
 }
 
 static void test_algorithm_failure(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_mdstr *mdstr;
+  grpc_slice mdstr;
 
   gpr_log(GPR_DEBUG, "test_algorithm_failure");
 
@@ -84,14 +86,16 @@ static void test_algorithm_failure(void) {
                                              NULL) == 0);
   GPR_ASSERT(grpc_compression_algorithm_name(GRPC_COMPRESS_ALGORITHMS_COUNT + 1,
                                              NULL) == 0);
-  mdstr = grpc_mdstr_from_string("this-is-an-invalid-algorithm");
-  GPR_ASSERT(grpc_compression_algorithm_from_mdstr(mdstr) ==
+  mdstr = grpc_slice_from_static_string("this-is-an-invalid-algorithm");
+  GPR_ASSERT(grpc_compression_algorithm_from_slice(mdstr) ==
              GRPC_COMPRESS_ALGORITHMS_COUNT);
-  GPR_ASSERT(grpc_compression_algorithm_mdstr(GRPC_COMPRESS_ALGORITHMS_COUNT) ==
-             NULL);
-  GPR_ASSERT(grpc_compression_algorithm_mdstr(GRPC_COMPRESS_ALGORITHMS_COUNT +
-                                              1) == NULL);
-  GRPC_MDSTR_UNREF(&exec_ctx, mdstr);
+  GPR_ASSERT(grpc_slice_eq(
+      grpc_compression_algorithm_slice(GRPC_COMPRESS_ALGORITHMS_COUNT),
+      grpc_empty_slice()));
+  GPR_ASSERT(grpc_slice_eq(
+      grpc_compression_algorithm_slice(GRPC_COMPRESS_ALGORITHMS_COUNT + 1),
+      grpc_empty_slice()));
+  grpc_slice_unref_internal(&exec_ctx, mdstr);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
diff --git a/test/core/compression/compression_test.c b/test/core/compression/compression_test.c
index 4c43746e33..7b2e56dc01 100644
--- a/test/core/compression/compression_test.c
+++ b/test/core/compression/compression_test.c
@@ -54,7 +54,7 @@ static void test_compression_algorithm_parse(void) {
     const char *valid_name = valid_names[i];
     grpc_compression_algorithm algorithm;
     const int success = grpc_compression_algorithm_parse(
-        valid_name, strlen(valid_name), &algorithm);
+        grpc_slice_from_static_string(valid_name), &algorithm);
     GPR_ASSERT(success != 0);
     GPR_ASSERT(algorithm == valid_algorithms[i]);
   }
@@ -64,7 +64,7 @@ static void test_compression_algorithm_parse(void) {
     grpc_compression_algorithm algorithm;
     int success;
     success = grpc_compression_algorithm_parse(
-        invalid_name, strlen(invalid_name), &algorithm);
+        grpc_slice_from_static_string(invalid_name), &algorithm);
     GPR_ASSERT(success == 0);
     /* the value of "algorithm" is undefined upon failure */
   }
diff --git a/test/core/compression/message_compress_test.c b/test/core/compression/message_compress_test.c
index 2432ca768a..246a2b3a71 100644
--- a/test/core/compression/message_compress_test.c
+++ b/test/core/compression/message_compress_test.c
@@ -114,7 +114,7 @@ static void assert_passthrough(grpc_slice value,
   }
 
   final = grpc_slice_merge(output.slices, output.count);
-  GPR_ASSERT(0 == grpc_slice_cmp(value, final));
+  GPR_ASSERT(grpc_slice_eq(value, final));
 
   grpc_slice_buffer_destroy(&input);
   grpc_slice_buffer_destroy(&compressed);