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-rw-r--r--dom/bindings/parser/tests/test_error_colno.py20
1 files changed, 20 insertions, 0 deletions
diff --git a/dom/bindings/parser/tests/test_error_colno.py b/dom/bindings/parser/tests/test_error_colno.py
new file mode 100644
index 000000000..ca0674aec
--- /dev/null
+++ b/dom/bindings/parser/tests/test_error_colno.py
@@ -0,0 +1,20 @@
+import WebIDL
+
+def WebIDLTest(parser, harness):
+ # Check that error messages put the '^' in the right place.
+
+ threw = False
+ input = 'interface ?'
+ try:
+ parser.parse(input)
+ results = parser.finish()
+ except WebIDL.WebIDLError, e:
+ threw = True
+ lines = str(e).split('\n')
+
+ harness.check(len(lines), 3, 'Expected number of lines in error message')
+ harness.check(lines[1], input, 'Second line shows error')
+ harness.check(lines[2], ' ' * (len(input) - 1) + '^',
+ 'Correct column pointer in error message')
+
+ harness.ok(threw, "Should have thrown.")