diff --git a/src/index.html b/src/index.html
index a971ac7..be66084 100644
--- a/src/index.html
+++ b/src/index.html
@@ -127,12 +127,12 @@
     <table class="expression">
         <tr>
             <td class="label">{m.operand1.input}</td>
-            <td class="bin">{m.operand1Binary}</td>
+            <td class="bin">{m.operand1.bin.padLeft(m.bitsSize, '0')}</td>
             <td class="other">{m.operand1.other}</td>
         </tr>
         <tr class="result">
             <td class="label">{m.string.replace(/\s/g,'')}={m.result.input}</td>
-            <td class="bin">{m.resultBinary}</td>
+            <td class="bin">{m.result.bin.padLeft(m.bitsSize, '0')}</td>
             <td class="other">{m.result.other}</td>
         </tr>
     </table>
diff --git a/tests/e2e/spec.js b/tests/e2e/spec.js
index 76e4204..1b8bf14 100644
--- a/tests/e2e/spec.js
+++ b/tests/e2e/spec.js
@@ -42,8 +42,6 @@ describe('launch of application', function() {
             .then(function() { return sendCommand('0x1 0xf')})
             .then(function() { return sendCommand('0x1 | 0xf')})
             .then(function() { return sendCommand('0x1 ^ 123')})
-            .then(function() { return sendCommand('em')})
-            .then(function() { return sendCommand('em')})
             .then(function() { return sendCommand('dark')})
             .then(function() { return sendCommand('light')})
             .then(assertNoErrors);
@@ -62,8 +60,18 @@ describe('launch of application', function() {
             });
     });
 
+    it('should do a shift operation', function() {
 
-    it('should emphasize bytes', function() {
+        driver.get(appUrl)
+            .then(function() {
+                return assertOperation('1<<1',
+                    [{ label: '1', bin:'00000001', other: '0x1'},
+                     { label: '1<<1=2', bin:'00000010', other: '0x2'}])
+            });
+    });
+
+
+    xit('should emphasize bytes', function() {
 
         driver.get(appUrl)
             .then(function() { return sendCommand('clear')})
@@ -95,6 +103,7 @@ function assertNoErrors(cmd) {
     });
 }
 
+
 function assertBitwiseNumbersResults(contaier, array) {
 
     return contaier.findElement(By.css('.expression')).then(function (tableExpr){
@@ -124,4 +133,14 @@ function assertSingleRowResult(row, label, bin, other) {
                 expect(tdOther.getText()).toBe(other);
             })
         });
+}
+
+function assertOperation(op, expected) {
+    return sendCommand('clear')
+        .then(function() { return sendCommand(op)})
+        .then(assertNoErrors)
+        .then(function() {
+            return assertBitwiseNumbersResults(driver,
+                expected)
+        });
 }
\ No newline at end of file