diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 62d87cc..f9e9093 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -289,7 +289,7 @@
     /* Check that the length for a truncated MAC always fits in the algorithm
      * encoding. The shifted mask is the maximum truncated value. The
      * untruncated algorithm may be one byte larger. */
-    TEST_ASSERT( PSA_MAC_MAX_SIZE <= 1 + max_truncated_mac_size );
+    TEST_LE_U( PSA_MAC_MAX_SIZE, 1 + max_truncated_mac_size );
 
 #if defined(MBEDTLS_TEST_DEPRECATED)
     /* Check deprecated constants. */
@@ -591,7 +591,7 @@
      * and export_size. On errors, the exported length must be 0. */
     TEST_ASSERT( exported_length != INVALID_EXPORT_LENGTH );
     TEST_ASSERT( status == PSA_SUCCESS || exported_length == 0 );
-    TEST_ASSERT( exported_length <= export_size );
+    TEST_LE_U( exported_length, export_size );
 
     TEST_ASSERT( mem_is_char( exported + exported_length, 0,
                               export_size - exported_length ) );
@@ -626,7 +626,7 @@
     TEST_ASSERT( exported_length <=
                  PSA_EXPORT_KEY_OUTPUT_SIZE( type,
                                              psa_get_key_bits( &got_attributes ) ) );
-    TEST_ASSERT( exported_length <= PSA_EXPORT_KEY_PAIR_MAX_SIZE );
+    TEST_LE_U( exported_length, PSA_EXPORT_KEY_PAIR_MAX_SIZE );
 
 destroy:
     /* Destroy the key */
@@ -685,12 +685,12 @@
         size_t bits;
         PSA_ASSERT( psa_get_key_attributes( key, &attributes ) );
         bits = psa_get_key_bits( &attributes );
-        TEST_ASSERT( expected_public_key->len <=
-                     PSA_EXPORT_KEY_OUTPUT_SIZE( public_type, bits ) );
-        TEST_ASSERT( expected_public_key->len <=
-                     PSA_EXPORT_PUBLIC_KEY_OUTPUT_SIZE( public_type, bits ) );
-        TEST_ASSERT( expected_public_key->len <=
-                     PSA_EXPORT_PUBLIC_KEY_MAX_SIZE );
+        TEST_LE_U( expected_public_key->len,
+                   PSA_EXPORT_KEY_OUTPUT_SIZE( public_type, bits ) );
+        TEST_LE_U( expected_public_key->len,
+                   PSA_EXPORT_PUBLIC_KEY_OUTPUT_SIZE( public_type, bits ) );
+        TEST_LE_U( expected_public_key->len,
+                   PSA_EXPORT_PUBLIC_KEY_MAX_SIZE );
         ASSERT_COMPARE( expected_public_key->x, expected_public_key->len,
                         exported, exported_length );
     }
@@ -983,8 +983,8 @@
     size_t tag_length = tag_length_arg;
     size_t output_length;
 
-    TEST_ASSERT( nonce_length <= sizeof( nonce ) );
-    TEST_ASSERT( tag_length <= sizeof( tag ) );
+    TEST_LE_U( nonce_length, sizeof( nonce ) );
+    TEST_LE_U( tag_length, sizeof( tag ) );
 
     PSA_ASSERT( psa_crypto_init( ) );
 
@@ -1576,7 +1576,7 @@
     status = psa_hash_compute( alg, input->x, input->len,
                                output, output_size, &output_length );
     TEST_EQUAL( status, expected_status );
-    TEST_ASSERT( output_length <= output_size );
+    TEST_LE_U( output_length, output_size );
 
 exit:
     mbedtls_free( output );
@@ -2132,7 +2132,7 @@
         expected_mac->len + 1,
     };
 
-    TEST_ASSERT( mac_buffer_size <= PSA_MAC_MAX_SIZE );
+    TEST_LE_U( mac_buffer_size, PSA_MAC_MAX_SIZE );
     /* We expect PSA_MAC_LENGTH to be exact. */
     TEST_ASSERT( expected_mac->len == mac_buffer_size );
 
@@ -2210,7 +2210,7 @@
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
     uint8_t *perturbed_mac = NULL;
 
-    TEST_ASSERT( expected_mac->len <= PSA_MAC_MAX_SIZE );
+    TEST_LE_U( expected_mac->len, PSA_MAC_MAX_SIZE );
 
     PSA_ASSERT( psa_crypto_init( ) );
 
@@ -2608,14 +2608,14 @@
     PSA_ASSERT( psa_crypto_init( ) );
 
     /* Validate size macros */
-    TEST_ASSERT( ciphertext->len <=
-                 PSA_CIPHER_ENCRYPT_OUTPUT_SIZE( key_type, alg, plaintext->len ) );
-    TEST_ASSERT( PSA_CIPHER_ENCRYPT_OUTPUT_SIZE( key_type, alg, plaintext->len ) <=
+    TEST_LE_U( ciphertext->len,
+               PSA_CIPHER_ENCRYPT_OUTPUT_SIZE( key_type, alg, plaintext->len ) );
+    TEST_LE_U( PSA_CIPHER_ENCRYPT_OUTPUT_SIZE( key_type, alg, plaintext->len ),
                  PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE( plaintext->len ) );
-    TEST_ASSERT( plaintext->len <=
-                 PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, ciphertext->len ) );
-    TEST_ASSERT( PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, ciphertext->len ) <=
-                 PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE( ciphertext->len ) );
+    TEST_LE_U( plaintext->len,
+               PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, ciphertext->len ) );
+    TEST_LE_U( PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, ciphertext->len ),
+               PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE( ciphertext->len ) );
 
 
     /* Set up key and output buffer */
@@ -2655,7 +2655,7 @@
                                    plaintext->x, plaintext->len,
                                    output, output_buffer_size,
                                    &length ) );
-    TEST_ASSERT( length <= output_buffer_size );
+    TEST_LE_U( length, output_buffer_size );
     output_length += length;
     PSA_ASSERT( psa_cipher_finish( &operation,
                                    output + output_length,
@@ -2673,7 +2673,7 @@
                                    ciphertext->x, ciphertext->len,
                                    output, output_buffer_size,
                                    &length ) );
-    TEST_ASSERT( length <= output_buffer_size );
+    TEST_LE_U( length, output_buffer_size );
     output_length += length;
     PSA_ASSERT( psa_cipher_finish( &operation,
                                    output + output_length,
@@ -2786,10 +2786,10 @@
        the output is not possible. Validating with multipart encryption. */
     PSA_ASSERT( psa_cipher_encrypt( key, alg, input->x, input->len, output1,
                                     output1_buffer_size, &output1_length ) );
-    TEST_ASSERT( output1_length <=
-                 PSA_CIPHER_ENCRYPT_OUTPUT_SIZE( key_type, alg, input->len ) );
-    TEST_ASSERT( output1_length <=
-                 PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE( input->len ) );
+    TEST_LE_U( output1_length,
+               PSA_CIPHER_ENCRYPT_OUTPUT_SIZE( key_type, alg, input->len ) );
+    TEST_LE_U( output1_length,
+               PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE( input->len ) );
 
     PSA_ASSERT( psa_cipher_encrypt_setup( &operation, key, alg ) );
     PSA_ASSERT( psa_cipher_set_iv( &operation, output1, iv_size ) );
@@ -2798,20 +2798,20 @@
                                    input->x, input->len,
                                    output2, output2_buffer_size,
                                    &function_output_length ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, input->len ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( input->len ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, input->len ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( input->len ) );
     output2_length += function_output_length;
 
     PSA_ASSERT( psa_cipher_finish( &operation,
                                    output2 + output2_length,
                                    output2_buffer_size - output2_length,
                                    &function_output_length ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
     output2_length += function_output_length;
 
     PSA_ASSERT( psa_cipher_abort( &operation ) );
@@ -2871,15 +2871,15 @@
                          PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg );
     ASSERT_ALLOC( output, output_buffer_size );
 
-    TEST_ASSERT( first_part_size <= input->len );
+    TEST_LE_U( first_part_size, input->len );
     PSA_ASSERT( psa_cipher_update( &operation, input->x, first_part_size,
                                    output, output_buffer_size,
                                    &function_output_length ) );
     TEST_ASSERT( function_output_length == output1_length );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, first_part_size ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( first_part_size) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( first_part_size) );
     total_output_length += function_output_length;
 
     if( first_part_size < input->len )
@@ -2892,12 +2892,12 @@
                                        output_buffer_size - total_output_length,
                                        &function_output_length ) );
         TEST_ASSERT( function_output_length == output2_length );
-        TEST_ASSERT( function_output_length <=
-                     PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type,
-                                                    alg,
-                                                    input->len - first_part_size ) );
-        TEST_ASSERT( function_output_length <=
-                     PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( input->len ) );
+        TEST_LE_U( function_output_length,
+                   PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type,
+                                                  alg,
+                                                  input->len - first_part_size ) );
+        TEST_LE_U( function_output_length,
+                   PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( input->len ) );
         total_output_length += function_output_length;
     }
 
@@ -2906,10 +2906,10 @@
                                   output + total_output_length ),
                                 output_buffer_size - total_output_length,
                                 &function_output_length );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
     total_output_length += function_output_length;
     TEST_EQUAL( status, expected_status );
 
@@ -2973,16 +2973,16 @@
                          PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg );
     ASSERT_ALLOC( output, output_buffer_size );
 
-    TEST_ASSERT( first_part_size <= input->len );
+    TEST_LE_U( first_part_size, input->len );
     PSA_ASSERT( psa_cipher_update( &operation,
                                    input->x, first_part_size,
                                    output, output_buffer_size,
                                    &function_output_length ) );
     TEST_ASSERT( function_output_length == output1_length );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, first_part_size ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( first_part_size ) );
     total_output_length += function_output_length;
 
     if( first_part_size < input->len )
@@ -2995,12 +2995,12 @@
                                        output_buffer_size - total_output_length,
                                        &function_output_length ) );
         TEST_ASSERT( function_output_length == output2_length );
-        TEST_ASSERT( function_output_length <=
-                     PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type,
-                                                    alg,
-                                                    input->len - first_part_size ) );
-        TEST_ASSERT( function_output_length <=
-                     PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( input->len ) );
+        TEST_LE_U( function_output_length,
+                   PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type,
+                                                  alg,
+                                                  input->len - first_part_size ) );
+        TEST_LE_U( function_output_length,
+                   PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( input->len ) );
         total_output_length += function_output_length;
     }
 
@@ -3009,10 +3009,10 @@
                                   output + total_output_length ),
                                 output_buffer_size - total_output_length,
                                 &function_output_length );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
     total_output_length += function_output_length;
     TEST_EQUAL( status, expected_status );
 
@@ -3129,10 +3129,10 @@
 
     PSA_ASSERT( psa_cipher_decrypt( key, alg, input, input_buffer_size, output,
                                     output_buffer_size, &output_length ) );
-    TEST_ASSERT( output_length <=
-                 PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, input_buffer_size ) );
-    TEST_ASSERT( output_length <=
-                 PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE( input_buffer_size ) );
+    TEST_LE_U( output_length,
+               PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, input_buffer_size ) );
+    TEST_LE_U( output_length,
+               PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE( input_buffer_size ) );
 
     ASSERT_COMPARE( expected_output->x, expected_output->len,
                     output, output_length );
@@ -3175,10 +3175,10 @@
     PSA_ASSERT( psa_cipher_encrypt( key, alg, input->x, input->len,
                                     output1, output1_size,
                                     &output1_length ) );
-    TEST_ASSERT( output1_length <=
-                 PSA_CIPHER_ENCRYPT_OUTPUT_SIZE( key_type, alg, input->len ) );
-    TEST_ASSERT( output1_length <=
-                 PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE( input->len ) );
+    TEST_LE_U( output1_length,
+               PSA_CIPHER_ENCRYPT_OUTPUT_SIZE( key_type, alg, input->len ) );
+    TEST_LE_U( output1_length,
+               PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE( input->len ) );
 
     output2_size = output1_length;
     ASSERT_ALLOC( output2, output2_size );
@@ -3186,10 +3186,10 @@
     PSA_ASSERT( psa_cipher_decrypt( key, alg, output1, output1_length,
                                     output2, output2_size,
                                     &output2_length ) );
-    TEST_ASSERT( output2_length <=
-                 PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, output1_length ) );
-    TEST_ASSERT( output2_length <=
-                 PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE( output1_length ) );
+    TEST_LE_U( output2_length,
+               PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, output1_length ) );
+    TEST_LE_U( output2_length,
+               PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE( output1_length ) );
 
     ASSERT_COMPARE( input->x, input->len, output2, output2_length );
 
@@ -3246,19 +3246,19 @@
     }
 
     output1_buffer_size = PSA_CIPHER_ENCRYPT_OUTPUT_SIZE( key_type, alg, input->len );
-    TEST_ASSERT( output1_buffer_size <=
-                 PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE( input->len ) );
+    TEST_LE_U( output1_buffer_size,
+               PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE( input->len ) );
     ASSERT_ALLOC( output1, output1_buffer_size );
 
-    TEST_ASSERT( first_part_size <= input->len );
+    TEST_LE_U( first_part_size, input->len );
 
     PSA_ASSERT( psa_cipher_update( &operation1, input->x, first_part_size,
                                    output1, output1_buffer_size,
                                    &function_output_length ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, first_part_size ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( first_part_size ) );
     output1_length += function_output_length;
 
     PSA_ASSERT( psa_cipher_update( &operation1,
@@ -3266,31 +3266,31 @@
                                    input->len - first_part_size,
                                    output1, output1_buffer_size,
                                    &function_output_length ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type,
-                                                alg,
-                                                input->len - first_part_size ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( input->len - first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type,
+                                              alg,
+                                              input->len - first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( input->len - first_part_size ) );
     output1_length += function_output_length;
 
     PSA_ASSERT( psa_cipher_finish( &operation1,
                                    output1 + output1_length,
                                    output1_buffer_size - output1_length,
                                    &function_output_length ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
     output1_length += function_output_length;
 
     PSA_ASSERT( psa_cipher_abort( &operation1 ) );
 
     output2_buffer_size = output1_length;
-    TEST_ASSERT( output2_buffer_size <=
-                 PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, output1_length ) );
-    TEST_ASSERT( output2_buffer_size <=
-                 PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE( output1_length ) );
+    TEST_LE_U( output2_buffer_size,
+               PSA_CIPHER_DECRYPT_OUTPUT_SIZE( key_type, alg, output1_length ) );
+    TEST_LE_U( output2_buffer_size,
+               PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE( output1_length ) );
     ASSERT_ALLOC( output2, output2_buffer_size );
 
     if( iv_length > 0 )
@@ -3302,10 +3302,10 @@
     PSA_ASSERT( psa_cipher_update( &operation2, output1, first_part_size,
                                    output2, output2_buffer_size,
                                    &function_output_length ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, first_part_size ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type, alg, first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( first_part_size ) );
     output2_length += function_output_length;
 
     PSA_ASSERT( psa_cipher_update( &operation2,
@@ -3313,22 +3313,22 @@
                                    output1_length - first_part_size,
                                    output2, output2_buffer_size,
                                    &function_output_length ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type,
-                                                alg,
-                                                output1_length - first_part_size ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( output1_length - first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_SIZE( key_type,
+                                              alg,
+                                              output1_length - first_part_size ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE( output1_length - first_part_size ) );
     output2_length += function_output_length;
 
     PSA_ASSERT( psa_cipher_finish( &operation2,
                                    output2 + output2_length,
                                    output2_buffer_size - output2_length,
                                    &function_output_length ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
-    TEST_ASSERT( function_output_length <=
-                 PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_SIZE( key_type, alg ) );
+    TEST_LE_U( function_output_length,
+               PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE );
     output2_length += function_output_length;
 
     PSA_ASSERT( psa_cipher_abort( &operation2 ) );
@@ -3635,7 +3635,7 @@
     signature_size = PSA_SIGN_OUTPUT_SIZE( key_type,
                                                       key_bits, alg );
     TEST_ASSERT( signature_size != 0 );
-    TEST_ASSERT( signature_size <= PSA_SIGNATURE_MAX_SIZE );
+    TEST_LE_U( signature_size, PSA_SIGNATURE_MAX_SIZE );
     ASSERT_ALLOC( signature, signature_size );
 
     /* Perform the signature. */
@@ -3706,7 +3706,7 @@
      * whatever it is, it should be less than signature_size, so that
      * if the caller tries to read *signature_length bytes without
      * checking the error code then they don't overflow a buffer. */
-    TEST_ASSERT( signature_length <= signature_size );
+    TEST_LE_U( signature_length, signature_size );
 
 #if defined(MBEDTLS_TEST_DEPRECATED)
     signature_length = INVALID_EXPORT_LENGTH;
@@ -3715,7 +3715,7 @@
                                      signature, signature_size,
                                      &signature_length ),
                 expected_status );
-    TEST_ASSERT( signature_length <= signature_size );
+    TEST_LE_U( signature_length, signature_size );
 #endif /* MBEDTLS_TEST_DEPRECATED */
 
 exit:
@@ -3755,7 +3755,7 @@
     signature_size = PSA_SIGN_OUTPUT_SIZE( key_type,
                                                       key_bits, alg );
     TEST_ASSERT( signature_size != 0 );
-    TEST_ASSERT( signature_size <= PSA_SIGNATURE_MAX_SIZE );
+    TEST_LE_U( signature_size, PSA_SIGNATURE_MAX_SIZE );
     ASSERT_ALLOC( signature, signature_size );
 
     /* Perform the signature. */
@@ -3764,7 +3764,7 @@
                                signature, signature_size,
                                &signature_length ) );
     /* Check that the signature length looks sensible. */
-    TEST_ASSERT( signature_length <= signature_size );
+    TEST_LE_U( signature_length, signature_size );
     TEST_ASSERT( signature_length > 0 );
 
     /* Use the library to verify that the signature is correct. */
@@ -3807,7 +3807,7 @@
     psa_algorithm_t alg = alg_arg;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
-    TEST_ASSERT( signature_data->len <= PSA_SIGNATURE_MAX_SIZE );
+    TEST_LE_U( signature_data->len, PSA_SIGNATURE_MAX_SIZE );
 
     PSA_ASSERT( psa_crypto_init( ) );
 
@@ -3907,7 +3907,7 @@
 
     signature_size = PSA_SIGN_OUTPUT_SIZE( key_type, key_bits, alg );
     TEST_ASSERT( signature_size != 0 );
-    TEST_ASSERT( signature_size <= PSA_SIGNATURE_MAX_SIZE );
+    TEST_LE_U( signature_size, PSA_SIGNATURE_MAX_SIZE );
     ASSERT_ALLOC( signature, signature_size );
 
     PSA_ASSERT( psa_sign_message( key, alg,
@@ -3966,7 +3966,7 @@
      * whatever it is, it should be less than signature_size, so that
      * if the caller tries to read *signature_length bytes without
      * checking the error code then they don't overflow a buffer. */
-    TEST_ASSERT( signature_length <= signature_size );
+    TEST_LE_U( signature_length, signature_size );
 
 exit:
     psa_reset_key_attributes( &attributes );
@@ -4005,14 +4005,14 @@
 
     signature_size = PSA_SIGN_OUTPUT_SIZE( key_type, key_bits, alg );
     TEST_ASSERT( signature_size != 0 );
-    TEST_ASSERT( signature_size <= PSA_SIGNATURE_MAX_SIZE );
+    TEST_LE_U( signature_size, PSA_SIGNATURE_MAX_SIZE );
     ASSERT_ALLOC( signature, signature_size );
 
     PSA_ASSERT( psa_sign_message( key, alg,
                                   input_data->x, input_data->len,
                                   signature, signature_size,
                                   &signature_length ) );
-    TEST_ASSERT( signature_length <= signature_size );
+    TEST_LE_U( signature_length, signature_size );
     TEST_ASSERT( signature_length > 0 );
 
     PSA_ASSERT( psa_verify_message( key, alg,
@@ -4052,7 +4052,7 @@
     psa_algorithm_t alg = alg_arg;
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
 
-    TEST_ASSERT( signature_data->len <= PSA_SIGNATURE_MAX_SIZE );
+    TEST_LE_U( signature_data->len, PSA_SIGNATURE_MAX_SIZE );
 
     PSA_ASSERT( psa_crypto_init( ) );
 
@@ -4146,7 +4146,7 @@
     key_bits = psa_get_key_bits( &attributes );
 
     output_size = PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE( key_type, key_bits, alg );
-    TEST_ASSERT( output_size <= PSA_ASYMMETRIC_ENCRYPT_OUTPUT_MAX_SIZE );
+    TEST_LE_U( output_size, PSA_ASYMMETRIC_ENCRYPT_OUTPUT_MAX_SIZE );
     ASSERT_ALLOC( output, output_size );
 
     /* Encrypt the input */
@@ -4220,13 +4220,13 @@
     key_bits = psa_get_key_bits( &attributes );
 
     output_size = PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE( key_type, key_bits, alg );
-    TEST_ASSERT( output_size <= PSA_ASYMMETRIC_ENCRYPT_OUTPUT_MAX_SIZE );
+    TEST_LE_U( output_size, PSA_ASYMMETRIC_ENCRYPT_OUTPUT_MAX_SIZE );
     ASSERT_ALLOC( output, output_size );
 
     output2_size = input_data->len;
-    TEST_ASSERT( output2_size <=
-                 PSA_ASYMMETRIC_DECRYPT_OUTPUT_SIZE( key_type, key_bits, alg ) );
-    TEST_ASSERT( output2_size <= PSA_ASYMMETRIC_DECRYPT_OUTPUT_MAX_SIZE );
+    TEST_LE_U( output2_size,
+               PSA_ASYMMETRIC_DECRYPT_OUTPUT_SIZE( key_type, key_bits, alg ) );
+    TEST_LE_U( output2_size, PSA_ASYMMETRIC_DECRYPT_OUTPUT_MAX_SIZE );
     ASSERT_ALLOC( output2, output2_size );
 
     /* We test encryption by checking that encrypt-then-decrypt gives back
@@ -4239,7 +4239,7 @@
                                         &output_length ) );
     /* We don't know what ciphertext length to expect, but check that
      * it looks sensible. */
-    TEST_ASSERT( output_length <= output_size );
+    TEST_LE_U( output_length, output_size );
 
     PSA_ASSERT( psa_asymmetric_decrypt( key, alg,
                                         output, output_length,
@@ -4294,7 +4294,7 @@
 
     /* Determine the maximum ciphertext length */
     output_size = PSA_ASYMMETRIC_DECRYPT_OUTPUT_SIZE( key_type, key_bits, alg );
-    TEST_ASSERT( output_size <= PSA_ASYMMETRIC_DECRYPT_OUTPUT_MAX_SIZE );
+    TEST_LE_U( output_size, PSA_ASYMMETRIC_DECRYPT_OUTPUT_MAX_SIZE );
     ASSERT_ALLOC( output, output_size );
 
     PSA_ASSERT( psa_asymmetric_decrypt( key, alg,
@@ -4367,7 +4367,7 @@
                                             output, output_size,
                                             &output_length );
     TEST_EQUAL( actual_status, expected_status );
-    TEST_ASSERT( output_length <= output_size );
+    TEST_LE_U( output_length, output_size );
 
     /* If the label is empty, the test framework puts a non-null pointer
      * in label->x. Test that a null pointer works as well. */
@@ -4382,7 +4382,7 @@
                                                 output, output_size,
                                                 &output_length );
         TEST_EQUAL( actual_status, expected_status );
-        TEST_ASSERT( output_length <= output_size );
+        TEST_LE_U( output_length, output_size );
     }
 
 exit:
@@ -5107,10 +5107,10 @@
     key_bits = psa_get_key_bits( &attributes );
 
     /* Validate size macros */
-    TEST_ASSERT( expected_output->len <=
-                 PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE( our_key_type, key_bits ) );
-    TEST_ASSERT( PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE( our_key_type, key_bits ) <=
-                 PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE );
+    TEST_LE_U( expected_output->len,
+               PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE( our_key_type, key_bits ) );
+    TEST_LE_U( PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE( our_key_type, key_bits ),
+               PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE );
 
     /* Good case with exact output size */
     ASSERT_ALLOC( output, expected_output->len );
@@ -5144,7 +5144,7 @@
                                        &output_length ),
                 PSA_ERROR_BUFFER_TOO_SMALL );
     /* Not required by the spec, but good robustness */
-    TEST_ASSERT( output_length <= expected_output->len - 1 );
+    TEST_LE_U( output_length, expected_output->len - 1 );
     mbedtls_free( output );
     output = NULL;