TestParameterValuesProvider: Allow provideValues(Context) to throw any exception.

This avoids the need for a try-catch when calling testClass.getDeclaredConstructor().newInstance()

https://github.com/google/TestParameterInjector/issues/44

1 files changed, 7 insertions, 0 deletions

diff --git a/junit4/src/main/java/com/google/testing/junit/testparameterinjector/TestParameter.java b/junit4/src/main/java/com/google/testing/junit/testparameterinjector/TestParameter.java
index 6272e44..992c259 100644
--- a/junit4/src/main/java/com/google/testing/junit/testparameterinjector/TestParameter.java
+++ b/junit4/src/main/java/com/google/testing/junit/testparameterinjector/TestParameter.java
@@ -244,6 +244,13 @@ public @interface TestParameter {
         }
       } catch (ReflectiveOperationException e) {
         throw new IllegalStateException(e);
+      } catch (Exception e) {
+        // Catch any unchecked exception that may come from `provideValues(Context)`
+        if (e instanceof RuntimeException) {
+          throw (RuntimeException) e;
+        } else {
+          throw new IllegalStateException(e);
+        }
       }
     }
   }