test_error_colno.py

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import WebIDL

def WebIDLTest(parser, harness):

    # Check that error messages put the '^' in the right place.

    threw = False

    input = "interface ?"

    try:

        parser.parse(input)

        parser.finish()

    except WebIDL.WebIDLError as 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.")