diff --git a/include/criterion/redirect.h b/include/criterion/redirect.h
index b8a80c5..e88fc89 100644
--- a/include/criterion/redirect.h
+++ b/include/criterion/redirect.h
@@ -79,6 +79,18 @@ CR_END_C_API
 # define cr_assert_file_contents_neq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_ABORT_,     cr_file_match_str, !=, __VA_ARGS__))
 # define cr_expect_file_contents_neq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_CONTINUES_, cr_file_match_str, !=, __VA_ARGS__))
 
+# define cr_assert_stdout_eq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_ABORT_,     cr_file_match_str, ==, cr_get_redirected_stdout(), __VA_ARGS__))
+# define cr_expect_stdout_eq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_CONTINUES_, cr_file_match_str, ==, cr_get_redirected_stdout(), __VA_ARGS__))
+
+# define cr_assert_stdout_neq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_ABORT_,     cr_file_match_str, !=, cr_get_redirected_stdout(), __VA_ARGS__))
+# define cr_expect_stdout_neq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_CONTINUES_, cr_file_match_str, !=, cr_get_redirected_stdout(), __VA_ARGS__))
+
+# define cr_assert_stderr_eq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_ABORT_,     cr_file_match_str, ==, cr_get_redirected_stderr(), __VA_ARGS__))
+# define cr_expect_stderr_eq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_CONTINUES_, cr_file_match_str, ==, cr_get_redirected_stderr(), __VA_ARGS__))
+
+# define cr_assert_stderr_neq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_ABORT_,     cr_file_match_str, !=, cr_get_redirected_stderr(), __VA_ARGS__))
+# define cr_expect_stderr_neq_str(...) CR_EXPAND(cr_assert_redir_op_va_(CR_FAIL_CONTINUES_, cr_file_match_str, !=, cr_get_redirected_stderr(), __VA_ARGS__))
+
 # ifdef __cplusplus
 namespace criterion {
 
diff --git a/samples/redirect.c b/samples/redirect.c
index f7ee089..9a0db12 100644
--- a/samples/redirect.c
+++ b/samples/redirect.c
@@ -12,19 +12,15 @@ void redirect_all_std(void) {
 }
 
 Test(redirect, test_outputs, .init = redirect_all_std) {
-    FILE* f_stdout = cr_get_redirected_stdout();
-
     fprintf(stdout, "foo");
     fflush(stdout);
 
-    cr_assert_file_contents_eq_str(f_stdout, "foo");
-
-    FILE* f_stderr = cr_get_redirected_stderr();
+    cr_assert_stdout_eq_str("foo");
 
     fprintf(stderr, "bar");
     fflush(stderr);
 
-    cr_assert_file_contents_eq_str(f_stderr, "bar");
+    cr_assert_stderr_eq_str("bar");
 }
 
 // Testing general I/O with sample command-line rot13
@@ -52,6 +48,5 @@ Test(redirect, rot13, .init = cr_redirect_stdout) {
 
     rot13_io();
 
-    FILE* f_stdout = cr_get_redirected_stdout();
-    cr_assert_file_contents_eq_str(f_stdout, "gur dhvpx oebja sbk whzcf bire gur ynml qbt");
+    cr_assert_stdout_eq_str("gur dhvpx oebja sbk whzcf bire gur ynml qbt");
 }
diff --git a/samples/redirect.cc b/samples/redirect.cc
index f87dfb8..87a25da 100644
--- a/samples/redirect.cc
+++ b/samples/redirect.cc
@@ -21,11 +21,8 @@ Test(redirect, test_outputs, .init = redirect_all_std) {
     std::cout << "foo" << std::flush;
     std::cerr << "bar" << std::flush;
 
-    std::FILE* f_stdout = cr_get_redirected_stdout();
-    cr_assert_file_contents_eq_str(f_stdout, "foo");
-
-    std::FILE* f_stderr = cr_get_redirected_stderr();
-    cr_assert_file_contents_eq_str(f_stderr, "bar");
+    cr_assert_stdout_eq_str("foo");
+    cr_assert_stderr_eq_str("bar");
 }
 
 // Testing general I/O with sample command-line rot13
@@ -51,6 +48,5 @@ Test(redirect, rot13, .init = cr_redirect_stdout) {
 
     rot13_io();
 
-    std::FILE* f_stdout = cr_get_redirected_stdout();
-    cr_assert_file_contents_eq_str(f_stdout, "gur dhvpx oebja sbk whzcf bire gur ynml qbt");
+    cr_assert_stdout_eq_str("gur dhvpx oebja sbk whzcf bire gur ynml qbt");
 }