Fix issue #2287

lib/capybara/selector/definition/table.rb

@@ -19,7 +19,10 @@ Capybara.add_selector(:table, locator_type: [String, Symbol]) do
           header = XPath.descendant(:th)[XPath.string.n.is(header)]
           td = XPath.descendant(:tr)[header].descendant(:td)
           cell_condition = XPath.string.n.is(cell_str)
-          cell_condition &= prev_col_position?(XPath.ancestor(:table)[1].join(xp)) if xp
+          if xp
+            prev_cell = XPath.ancestor(:table)[1].join(xp)
+            cell_condition &= (prev_cell & prev_col_position?(prev_cell))
+          end
           td[cell_condition]
         end
       else
@@ -28,7 +31,7 @@ Capybara.add_selector(:table, locator_type: [String, Symbol]) do
 
           if prev_cell
             prev_cell = XPath.ancestor(:tr)[1].preceding_sibling(:tr).join(prev_cell)
-            cell_condition &= prev_col_position?(prev_cell)
+            cell_condition &= (prev_cell & prev_col_position?(prev_cell))
           end
 
           XPath.descendant(:td)[cell_condition]

lib/capybara/spec/session/has_table_spec.rb

@@ -143,10 +143,56 @@ Capybara::SpecHelper.spec '#has_no_table?' do
      ])
   end
 
-  it 'should consider columns' do
-    expect(@session).to have_no_table('Vertical Headers', with_cols:
-      [
-        { 'First Name' => 'Joe' }
-      ])
+  context 'using :with_cols' do
+    it 'should consider a single column' do
+      expect(@session).to have_no_table('Vertical Headers', with_cols:
+        [
+          { 'First Name' => 'Joe' }
+        ])
+    end
+
+    it 'should be true even if the last column does exist' do
+      expect(@session).to have_no_table('Vertical Headers', with_cols:
+        [
+          {
+            'First Name' => 'What?',
+            'What?' => 'Walpole',
+            'City' => 'Oceanside' # This line makes the example fail
+          }
+        ])
+    end
+
+    it 'should be true if none of the columns exist' do
+      expect(@session).to have_no_table('Vertical Headers', with_cols:
+        [
+          {
+            'First Name' => 'What?',
+            'What?' => 'Walpole',
+            'City' => 'What?'
+          }
+        ])
+    end
+
+    it 'should be true if the first column does match' do
+      expect(@session).to have_no_table('Vertical Headers', with_cols:
+        [
+          {
+            'First Name' => 'Thomas',
+            'Last Name' => 'What',
+            'City' => 'What'
+          }
+        ])
+    end
+
+    it 'should be true if none of the columns match' do
+      expect(@session).to have_no_table('Vertical Headers', with_cols:
+        [
+          {
+            'First Name' => 'What',
+            'Last Name' => 'What',
+            'City' => 'What'
+          }
+        ])
+    end
   end
 end