diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 1ee8be8..0bfabb1 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -396,12 +396,12 @@
     if( is_encrypt )
     {
         final_output_size = PSA_AEAD_FINISH_OUTPUT_SIZE( key_type, alg );
-        TEST_ASSERT( final_output_size <= PSA_AEAD_FINISH_OUTPUT_MAX_SIZE );
+        TEST_LE_U( final_output_size, PSA_AEAD_FINISH_OUTPUT_MAX_SIZE );
     }
     else
     {
         final_output_size = PSA_AEAD_VERIFY_OUTPUT_SIZE( key_type, alg );
-        TEST_ASSERT( final_output_size <= PSA_AEAD_VERIFY_OUTPUT_MAX_SIZE );
+        TEST_LE_U( final_output_size, PSA_AEAD_VERIFY_OUTPUT_MAX_SIZE );
     }
 
     ASSERT_ALLOC( final_data, final_output_size );
@@ -557,18 +557,18 @@
         output_length += tag_length;
 
         TEST_EQUAL( output_length,
-                      PSA_AEAD_ENCRYPT_OUTPUT_SIZE( key_type, alg,
-                                                    input_data->len ) );
-        TEST_ASSERT( output_length <=
-                      PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
+                    PSA_AEAD_ENCRYPT_OUTPUT_SIZE( key_type, alg,
+                                                  input_data->len ) );
+        TEST_LE_U( output_length,
+                   PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
     }
     else
     {
        TEST_EQUAL( output_length,
                       PSA_AEAD_DECRYPT_OUTPUT_SIZE( key_type, alg,
                                                     input_data->len ) );
-       TEST_ASSERT( output_length <=
-                      PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
+       TEST_LE_U( output_length,
+                  PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
     }
 
 
@@ -721,7 +721,7 @@
     /* 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 );
 }
 /* END_CASE */
 
@@ -965,7 +965,7 @@
      * 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 ) );
@@ -1000,10 +1000,10 @@
                          reexported, reexported_length );
         PSA_ASSERT( psa_destroy_key( key2 ) );
     }
-    TEST_ASSERT( exported_length <=
+    TEST_LE_U( 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 */
@@ -1065,12 +1065,12 @@
         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 );
     }
@@ -1441,8 +1441,8 @@
     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( ) );
 
@@ -2077,7 +2077,7 @@
     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 );
 
     /* Hash Compute, multi-part */
     status = psa_hash_setup( &operation, alg );
@@ -2089,7 +2089,7 @@
             status = psa_hash_finish( &operation, output, output_size,
                                       &output_length );
             if( status == PSA_SUCCESS )
-                TEST_ASSERT( output_length <= output_size );
+                TEST_LE_U( output_length, output_size );
             else
                 TEST_EQUAL( status, expected_status );
         }
@@ -2769,7 +2769,7 @@
         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 );
 
@@ -2847,7 +2847,7 @@
     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( ) );
 
@@ -3320,14 +3320,14 @@
     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 */
@@ -3367,7 +3367,7 @@
                                    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,
@@ -3385,7 +3385,7 @@
                                    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,
@@ -3499,10 +3499,10 @@
        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 ) );
@@ -3511,20 +3511,20 @@
                                    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 ) );
@@ -3584,15 +3584,15 @@
                          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 )
@@ -3605,12 +3605,12 @@
                                        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;
     }
 
@@ -3619,10 +3619,10 @@
                                   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 );
 
@@ -3686,16 +3686,16 @@
                          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 )
@@ -3708,12 +3708,12 @@
                                        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;
     }
 
@@ -3722,10 +3722,10 @@
                                   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 );
 
@@ -3897,10 +3897,10 @@
 
     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 );
@@ -3943,10 +3943,10 @@
     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 );
@@ -3954,10 +3954,10 @@
     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 );
 
@@ -4014,19 +4014,19 @@
     }
 
     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,
@@ -4034,31 +4034,31 @@
                                    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 )
@@ -4070,10 +4070,10 @@
     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,
@@ -4081,22 +4081,22 @@
                                    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 ) );
@@ -4154,8 +4154,8 @@
     {
         TEST_EQUAL( output_size,
                     PSA_AEAD_ENCRYPT_OUTPUT_SIZE( key_type, alg, input_data->len ) );
-        TEST_ASSERT( output_size <=
-                     PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
+        TEST_LE_U( output_size,
+                   PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
     }
     ASSERT_ALLOC( output_data, output_size );
 
@@ -4187,8 +4187,8 @@
         TEST_EQUAL( input_data->len,
                     PSA_AEAD_DECRYPT_OUTPUT_SIZE( key_type, alg, output_length ) );
 
-        TEST_ASSERT( input_data->len <=
-                     PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE( output_length ) );
+        TEST_LE_U( input_data->len,
+                   PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE( output_length ) );
 
         TEST_EQUAL( psa_aead_decrypt( key, alg,
                                       nonce->x, nonce->len,
@@ -4246,8 +4246,8 @@
      * should be exact. */
     TEST_EQUAL( output_size,
                 PSA_AEAD_ENCRYPT_OUTPUT_SIZE( key_type, alg, input_data->len ) );
-    TEST_ASSERT( output_size <=
-                 PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
+    TEST_LE_U( output_size,
+               PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
     ASSERT_ALLOC( output_data, output_size );
 
     status = psa_aead_encrypt( key, alg,
@@ -4317,8 +4317,8 @@
          * should be exact. */
         TEST_EQUAL( output_size,
                     PSA_AEAD_DECRYPT_OUTPUT_SIZE( key_type, alg, input_data->len ) );
-        TEST_ASSERT( output_size <=
-                     PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
+        TEST_LE_U( output_size,
+                   PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE( input_data->len ) );
     }
     ASSERT_ALLOC( output_data, output_size );
 
@@ -4579,7 +4579,7 @@
 
     ciphertext_size = PSA_AEAD_FINISH_OUTPUT_SIZE( key_type, alg );
 
-    TEST_ASSERT( ciphertext_size <= PSA_AEAD_FINISH_OUTPUT_MAX_SIZE );
+    TEST_LE_U( ciphertext_size, PSA_AEAD_FINISH_OUTPUT_MAX_SIZE );
 
     ASSERT_ALLOC( ciphertext, ciphertext_size );
 
@@ -4608,7 +4608,7 @@
         TEST_EQUAL( actual_nonce_length, PSA_AEAD_NONCE_LENGTH( key_type,
                                                                 alg ) );
 
-    TEST_ASSERT( actual_nonce_length <= PSA_AEAD_NONCE_MAX_SIZE );
+    TEST_LE_U( actual_nonce_length, PSA_AEAD_NONCE_MAX_SIZE );
 
     if( expected_status == PSA_SUCCESS )
     {
@@ -4683,7 +4683,7 @@
 
     ciphertext_size = PSA_AEAD_FINISH_OUTPUT_SIZE( key_type, alg );
 
-    TEST_ASSERT( ciphertext_size <= PSA_AEAD_FINISH_OUTPUT_MAX_SIZE );
+    TEST_LE_U( ciphertext_size, PSA_AEAD_FINISH_OUTPUT_MAX_SIZE );
 
     ASSERT_ALLOC( ciphertext, ciphertext_size );
 
@@ -5121,7 +5121,7 @@
 
     tag_length = PSA_AEAD_TAG_LENGTH( key_type, key_bits, alg );
 
-    TEST_ASSERT( tag_length <= PSA_AEAD_TAG_MAX_SIZE );
+    TEST_LE_U( tag_length, PSA_AEAD_TAG_MAX_SIZE );
 
     output_size = PSA_AEAD_UPDATE_OUTPUT_SIZE( key_type, alg, input_data->len );
 
@@ -5129,7 +5129,7 @@
 
     finish_output_size = PSA_AEAD_FINISH_OUTPUT_SIZE( key_type, alg );
 
-    TEST_ASSERT( finish_output_size <= PSA_AEAD_FINISH_OUTPUT_MAX_SIZE );
+    TEST_LE_U( finish_output_size, PSA_AEAD_FINISH_OUTPUT_MAX_SIZE );
 
     ASSERT_ALLOC( final_data, finish_output_size );
 
@@ -5969,7 +5969,7 @@
     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. */
@@ -6029,7 +6029,7 @@
      * 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 );
@@ -6068,7 +6068,7 @@
     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. */
@@ -6077,7 +6077,7 @@
                                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. */
@@ -6120,7 +6120,7 @@
     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( ) );
 
@@ -6205,7 +6205,7 @@
 
     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,
@@ -6264,7 +6264,7 @@
      * 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 );
@@ -6303,14 +6303,14 @@
 
     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,
@@ -6350,7 +6350,7 @@
     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( ) );
 
@@ -6444,7 +6444,7 @@
     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 */
@@ -6518,13 +6518,13 @@
     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
@@ -6537,7 +6537,7 @@
                                         &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,
@@ -6592,7 +6592,7 @@
 
     /* 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,
@@ -6665,7 +6665,7 @@
                                             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. */
@@ -6680,7 +6680,7 @@
                                                 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:
@@ -7021,8 +7021,8 @@
                         if( PSA_ALG_IS_TLS12_PSK_TO_MS( alg ) )
                         {
                             PSA_ASSERT( psa_get_key_attributes( keys[i], &attributes1 ) );
-                            TEST_ASSERT( PSA_BITS_TO_BYTES( psa_get_key_bits( &attributes1 ) ) <=
-                                        PSA_TLS12_PSK_TO_MS_PSK_MAX_SIZE );
+                            TEST_LE_U( PSA_BITS_TO_BYTES( psa_get_key_bits( &attributes1 ) ),
+                                       PSA_TLS12_PSK_TO_MS_PSK_MAX_SIZE );
                         }
 
                         PSA_ASSERT( psa_key_derivation_input_key( &operation,
@@ -7563,10 +7563,10 @@
     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 );
@@ -7600,7 +7600,7 @@
                                        &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;