From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 .../parser/tests/test_variadic_constraints.py      | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 dom/bindings/parser/tests/test_variadic_constraints.py

(limited to 'dom/bindings/parser/tests/test_variadic_constraints.py')

diff --git a/dom/bindings/parser/tests/test_variadic_constraints.py b/dom/bindings/parser/tests/test_variadic_constraints.py
new file mode 100644
index 000000000..7448e40d5
--- /dev/null
+++ b/dom/bindings/parser/tests/test_variadic_constraints.py
@@ -0,0 +1,63 @@
+def WebIDLTest(parser, harness):
+    threw = False
+    try:
+        parser.parse("""
+            interface VariadicConstraints1 {
+              void foo(byte... arg1, byte arg2);
+            };
+        """)
+        results = parser.finish()
+
+    except:
+        threw = True
+
+    harness.ok(threw,
+               "Should have thrown on variadic argument followed by required "
+               "argument.")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse("""
+            interface VariadicConstraints2 {
+              void foo(byte... arg1, optional byte arg2);
+            };
+        """)
+        results = parser.finish();
+    except:
+        threw = True
+
+    harness.ok(threw,
+               "Should have thrown on variadic argument followed by optional "
+               "argument.")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse("""
+            interface VariadicConstraints3 {
+              void foo(optional byte... arg1);
+            };
+        """)
+        results = parser.finish()
+
+    except:
+        threw = True
+
+    harness.ok(threw,
+               "Should have thrown on variadic argument explicitly flagged as "
+               "optional.")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse("""
+            interface VariadicConstraints4 {
+              void foo(byte... arg1 = 0);
+            };
+        """)
+        results = parser.finish()
+    except:
+        threw = True
+
+    harness.ok(threw, "Should have thrown on variadic argument with default value.")
-- 
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