1 files changed, 51 insertions, 0 deletions
diff --git a/testing/mozbase/mozcrash/tests/test_java_exception.py b/testing/mozbase/mozcrash/tests/test_java_exception.py
new file mode 100644
index 0000000000..f48ce2cc3e
--- /dev/null
+++ b/testing/mozbase/mozcrash/tests/test_java_exception.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+# coding=UTF-8
+
+import mozunit
+import pytest
+
+
+@pytest.fixture
+def test_log():
+    return [
+        "01-30 20:15:41.937 E/GeckoAppShell( 1703): >>> "
+        'REPORTING UNCAUGHT EXCEPTION FROM THREAD 9 ("GeckoBackgroundThread")',
+        "01-30 20:15:41.937 E/GeckoAppShell( 1703): java.lang.NullPointerException",
+        "01-30 20:15:41.937 E/GeckoAppShell( 1703):"
+        "    at org.mozilla.gecko.GeckoApp$21.run(GeckoApp.java:1833)",
+        "01-30 20:15:41.937 E/GeckoAppShell( 1703):"
+        "    at android.os.Handler.handleCallback(Handler.java:587)",
+    ]
+
+
+def test_uncaught_exception(check_for_java_exception, test_log):
+    """Test for an exception which should be caught."""
+    assert 1 == check_for_java_exception(test_log)
+
+
+def test_truncated_exception(check_for_java_exception, test_log):
+    """Test for an exception which should be caught which was truncated."""
+    truncated_log = list(test_log)
+    truncated_log[0], truncated_log[1] = truncated_log[1], truncated_log[0]
+
+    assert 1 == check_for_java_exception(truncated_log)
+
+
+def test_unchecked_exception(check_for_java_exception, test_log):
+    """Test for an exception which should not be caught."""
+    passable_log = list(test_log)
+    passable_log[0] = (
+        "01-30 20:15:41.937 E/GeckoAppShell( 1703):"
+        ' >>> NOT-SO-BAD EXCEPTION FROM THREAD 9 ("GeckoBackgroundThread")'
+    )
+
+    assert 0 == check_for_java_exception(passable_log)
+
+
+def test_test_name_unicode(check_for_java_exception, test_log):
+    """Test that check_for_crashes can handle unicode in dump_directory."""
+    assert 1 == check_for_java_exception(test_log, test_name=u"🍪", quiet=False)
+
+
+if __name__ == "__main__":
+    mozunit.main()