1 files changed, 62 insertions, 0 deletions
diff --git a/tests/template_tests/syntax_tests/test_invalid_string.py b/tests/template_tests/syntax_tests/test_invalid_string.py
new file mode 100644
index 0000000000..5aadbdbcfa
--- /dev/null
+++ b/tests/template_tests/syntax_tests/test_invalid_string.py
@@ -0,0 +1,62 @@
+from django.conf import settings
+from django.test import TestCase
+
+from .utils import render, setup
+
+
+class InvalidStringTests(TestCase):
+
+    @setup({'invalidstr01': '{{ var|default:"Foo" }}'})
+    def test_invalidstr01(self):
+        output = render('invalidstr01')
+        if settings.TEMPLATE_STRING_IF_INVALID:
+            self.assertEqual(output, 'INVALID')
+        else:
+            self.assertEqual(output, 'Foo')
+
+    @setup({'invalidstr02': '{{ var|default_if_none:"Foo" }}'})
+    def test_invalidstr02(self):
+        output = render('invalidstr02')
+        if settings.TEMPLATE_STRING_IF_INVALID:
+            self.assertEqual(output, 'INVALID')
+        else:
+            self.assertEqual(output, '')
+
+    @setup({'invalidstr03': '{% for v in var %}({{ v }}){% endfor %}'})
+    def test_invalidstr03(self):
+        output = render('invalidstr03')
+        self.assertEqual(output, '')
+
+    @setup({'invalidstr04': '{% if var %}Yes{% else %}No{% endif %}'})
+    def test_invalidstr04(self):
+        output = render('invalidstr04')
+        self.assertEqual(output, 'No')
+
+    @setup({'invalidstr04_2': '{% if var|default:"Foo" %}Yes{% else %}No{% endif %}'})
+    def test_invalidstr04_2(self):
+        output = render('invalidstr04_2')
+        self.assertEqual(output, 'Yes')
+
+    @setup({'invalidstr05': '{{ var }}'})
+    def test_invalidstr05(self):
+        output = render('invalidstr05')
+        if settings.TEMPLATE_STRING_IF_INVALID:
+            self.assertEqual(output, 'INVALID')
+        else:
+            self.assertEqual(output, '')
+
+    @setup({'invalidstr06': '{{ var.prop }}'})
+    def test_invalidstr06(self):
+        output = render('invalidstr06')
+        if settings.TEMPLATE_STRING_IF_INVALID:
+            self.assertEqual(output, 'INVALID')
+        else:
+            self.assertEqual(output, '')
+
+    @setup({'invalidstr07': '{% load i18n %}{% blocktrans %}{{ var }}{% endblocktrans %}'})
+    def test_invalidstr07(self):
+        output = render('invalidstr07')
+        if settings.TEMPLATE_STRING_IF_INVALID:
+            self.assertEqual(output, 'INVALID')
+        else:
+            self.assertEqual(output, '')