Fix ExpectedConditions.or behavior when one of the conditions throws.

Throwing an exception should be treated as "false". This regressed in 80a91b4 when the blanket try-catch was deleted.

Author: juangj

java/client/src/org/openqa/selenium/support/ui/ExpectedConditions.java

@@ -1412,7 +1412,7 @@ private static boolean isInvisible(final WebElement element) {
   /**
    * An expectation with the logical or condition of the given list of conditions.
    *
-   * Each condition is checked until at leas one of them returns true or not null
+   * Each condition is checked until at least one of them returns true or not null.
    *
    * @param conditions ExpectedCondition is a list of alternative conditions
    * @return true once one of conditions is satisfied
@@ -1421,7 +1421,9 @@ public static ExpectedCondition<Boolean> or(final ExpectedCondition<?>... condit
     return new ExpectedCondition<Boolean>() {
       @Override
       public Boolean apply(WebDriver driver) {
+        RuntimeException lastException = null;
         for (ExpectedCondition<?> condition : conditions) {
+          try {
             Object result = condition.apply(driver);
             if (result != null) {
               if (result instanceof Boolean) {
@@ -1432,6 +1434,12 @@ public Boolean apply(WebDriver driver) {
                 return true;
               }
             }
+          } catch (RuntimeException e) {
+            lastException = e;
+          }
+        }
+        if (lastException != null) {
+          throw lastException;
         }
         return false;
       }

java/client/test/org/openqa/selenium/support/ui/ExpectedConditionsTest.java

@@ -640,6 +640,28 @@ public void waitForOneOfExpectedConditionsToHavePositiveResultWhenSecondPositive
                              attributeToBe(mockElement, attributeName, attributeName))));
   }
 
+  @Test
+  public void waitForOneOfExpectedConditionsToHavePositiveResultWhenOneThrows() {
+    String attributeName = "test";
+    when(mockElement.getAttribute(attributeName)).thenReturn(attributeName);
+    when(mockElement.getCssValue(attributeName)).thenReturn(attributeName);
+    when(mockElement.getText()).thenThrow(new NoSuchElementException(""));
+
+    assertTrue(wait.until(or(textToBePresentInElement(mockElement, attributeName),
+                             attributeToBe(mockElement, attributeName, attributeName))));
+  }
+
+  @Test(expected = NoSuchElementException.class)
+  public void waitForOneOfExpectedConditionsToHavePositiveResultWhenAllThrow() {
+    String attributeName = "test";
+    when(mockElement.getAttribute(attributeName)).thenThrow(new NoSuchElementException(""));
+    when(mockElement.getCssValue(attributeName)).thenThrow(new NoSuchElementException(""));
+    when(mockElement.getText()).thenThrow(new NoSuchElementException(""));
+
+    wait.until(or(textToBePresentInElement(mockElement, attributeName),
+                  attributeToBe(mockElement, attributeName, attributeName)));
+  }
+
 
   @Test(expected = TimeoutException.class)
   public void waitingForAllExpectedConditionsToHavePositiveResultWhenAllFailed() {