unit test of padding empty buffer

tugrul · Sep 28, 2024 · 30060bb · 30060bb
1 parent 1393bc5
commit 30060bb
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diff --git a/test/padding/ansi-x923.ts b/test/padding/ansi-x923.ts
@@ -34,6 +34,13 @@ describe('ansi-x923', () => {
 
         });
 
+
+        it('should pad empty buffer', () => {
+            const padder = new padding.AnsiX923(8);
+            const padded = padder.pad(Buffer.alloc(0))
+
+            assert(padded.equals(Buffer.from('0000000000000008', 'hex')));
+        });
     });
 
 
@@ -53,6 +60,14 @@ describe('ansi-x923', () => {
 
         });
 
+        it('should unpad only padding data', () => {
+
+            const padder = new padding.AnsiX923(8);
+            const unpadded = padder.unpad(Buffer.from('0000000000000008', 'hex'));
+
+            assert(unpadded.length === 0);
+        });
+
     });
 
 

diff --git a/test/padding/iso-10126.ts b/test/padding/iso-10126.ts
@@ -33,6 +33,13 @@ describe('iso-10126', () => {
 
         });
 
+        it('should pad empty buffer', () => {
+            const padder = new padding.Iso10126(8);
+            const padded = padder.pad(Buffer.alloc(0))
+
+            assert(padded.length === 8 && padded[7] === 8);
+        });
+
     });
 
 
@@ -51,6 +58,14 @@ describe('iso-10126', () => {
 
         });
 
+        it('should unpad only padding data', () => {
+
+            const padder = new padding.Iso10126(8);
+            const unpadded = padder.unpad(Buffer.from('1ad227c97c515608', 'hex'));
+
+            assert(unpadded.length === 0);
+        });
+
     });
 
 

diff --git a/test/padding/iso-7816.ts b/test/padding/iso-7816.ts
@@ -31,6 +31,13 @@ describe('iso-7816', () => {
 
         });
 
+        it('should pad empty buffer', () => {
+            const padder = new padding.Iso7816(8);
+            const padded = padder.pad(Buffer.alloc(0))
+
+            assert(padded.equals(Buffer.from('8000000000000000', 'hex')));
+        });
+
     });
 
 
@@ -49,6 +56,14 @@ describe('iso-7816', () => {
 
         });
 
+        it('should unpad only padding data', () => {
+
+            const padder = new padding.Iso7816(8);
+            const unpadded = padder.unpad(Buffer.from('8000000000000000', 'hex'));
+
+            assert(unpadded.length === 0);
+        });
+
     });
 
 

diff --git a/test/padding/null.ts b/test/padding/null.ts
@@ -32,6 +32,13 @@ describe('null', () => {
 
         });
 
+        it('should pad empty buffer', () => {
+            const padder = new padding.Null(8);
+            const padded = padder.pad(Buffer.alloc(0))
+
+            assert(padded.equals(Buffer.from('0000000000000000', 'hex')));
+        });
+
     });
 
 
@@ -50,6 +57,14 @@ describe('null', () => {
 
         });
 
+        it('should unpad only padding data', () => {
+
+            const padder = new padding.Null(8);
+            const unpadded = padder.unpad(Buffer.from('0000000000000000', 'hex'));
+
+            assert(unpadded.length === 0);
+        });
+
     });
 
 

diff --git a/test/padding/pkcs5.ts b/test/padding/pkcs5.ts
@@ -39,6 +39,13 @@ describe('pkcs5', () => {
 
         });
 
+        it('should pad empty buffer', () => {
+            const padder = new padding.Pkcs5(8);
+            const padded = padder.pad(Buffer.alloc(0))
+
+            assert(padded.equals(Buffer.from('0808080808080808', 'hex')));
+        });
+
     });
 
 
@@ -57,6 +64,14 @@ describe('pkcs5', () => {
 
         });
 
+        it('should unpad only padding data', () => {
+
+            const padder = new padding.Pkcs5(8);
+            const unpadded = padder.unpad(Buffer.from('0808080808080808', 'hex'));
+
+            assert(unpadded.length === 0);
+        });
+
     });
 
 

diff --git a/test/padding/pkcs7.ts b/test/padding/pkcs7.ts
@@ -36,6 +36,21 @@ describe('pkcs7', () => {
 
         });
 
+        it('should pad empty buffer of blockSize 8', () => {
+            const padder = new padding.Pkcs7(8);
+            const padded = padder.pad(Buffer.alloc(0))
+
+            assert(padded.equals(Buffer.from('0808080808080808', 'hex')));
+        });
+
+
+        it('should pad empty buffer of blockSize 16', () => {
+            const padder = new padding.Pkcs7(16);
+            const padded = padder.pad(Buffer.alloc(0))
+
+            assert(padded.equals(Buffer.from('10101010101010101010101010101010', 'hex')));
+        });
+
     });
 
 
@@ -54,6 +69,22 @@ describe('pkcs7', () => {
 
         });
 
+        it('should unpad only padding data of blockSize 8', () => {
+
+            const padder = new padding.Pkcs7(8);
+            const unpadded = padder.unpad(Buffer.from('0808080808080808', 'hex'));
+
+            assert(unpadded.length === 0);
+        });
+
+        it('should unpad only padding data of blockSize 16', () => {
+
+            const padder = new padding.Pkcs7(16);
+            const unpadded = padder.unpad(Buffer.from('10101010101010101010101010101010', 'hex'));
+
+            assert(unpadded.length === 0);
+        });
+
     });
 
 

diff --git a/test/padding/space.ts b/test/padding/space.ts
@@ -32,6 +32,13 @@ describe('space', () => {
 
         });
 
+        it('should pad empty buffer', () => {
+            const padder = new padding.Space(8);
+            const padded = padder.pad(Buffer.alloc(0))
+
+            assert(padded.equals(Buffer.from('2020202020202020', 'hex')));
+        });
+
     });
 
 
@@ -50,6 +57,14 @@ describe('space', () => {
 
         });
 
+        it('should unpad only padding data', () => {
+
+            const padder = new padding.Space(8);
+            const unpadded = padder.unpad(Buffer.from('2020202020202020', 'hex'));
+
+            assert(unpadded.length === 0);
+        });
+
     });