| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| package aead_test |
| |
| import ( |
| "strings" |
| "testing" |
| |
| "github.com/google/tink/go/subtle/aead" |
| ) |
| |
| func TestValidateAESKeySize(t *testing.T) { |
| var i uint32 |
| for i = 0; i < 65; i++ { |
| err := aead.ValidateAESKeySize(i) |
| switch i { |
| case 16: |
| fallthrough |
| case 32: |
| // Valid key sizes. |
| if err != nil { |
| t.Errorf("want no error, got %v", err) |
| } |
| |
| default: |
| // Invalid key sizes. |
| if err == nil { |
| t.Errorf("invalid key size (%d) should not be accepted", i) |
| } |
| if !strings.Contains(err.Error(), "invalid AES key size; want 16 or 32") { |
| t.Errorf("wrong error message; want a string starting with \"invalid AES key size; want 16 or 32\", got %v", err) |
| } |
| } |
| } |
| } |