Method testErrorSuppression

cpplint_unittest.py:497–790

(self)

    # Test error suppression annotations.
    def testErrorSuppression(self):
        # Two errors on same line:
        self.TestLint(
            "long a = (int64_t) 65;",
            [
                "Using C-style cast.  Use static_cast<int64_t>(...) instead"
                "  [readability/casting] [4]",
                "Use int16_t/int64_t/etc, rather than the C type long  [runtime/int] [4]",
            ],
        )
        # One category of error suppressed:
        self.TestLint(
            "long a = (int64_t) 65;  // NOLINT(runtime/int)",
            "Using C-style cast.  Use static_cast<int64_t>(...) instead  [readability/casting] [4]",
        )
        # Two categories of errors suppressed:
        self.TestLint("long a = (int64_t) 65;  // NOLINT(runtime/int,readability/casting)", "")

        # All categories suppressed: (two aliases)
        self.TestLint("long a = (int64_t) 65;  // NOLINT", "")
        self.TestLint("long a = (int64_t) 65;  // NOLINT(*)", "")

        # Linting a C file
        error_collector = ErrorCollector(self.assertTrue)
        cpplint.ProcessFileData(
            "test.c",
            "c",
            ["// Copyright 2014 Your Majesty.", "int64_t a = (int64_t) 65;", ""],
            error_collector,
        )
        assert error_collector.Results() == ""

        # Malformed NOLINT directive:
        self.TestLint(
            "long a = 65;  // NOLINT(foo)",
            [
                "Unknown NOLINT error category: foo  [readability/nolint] [5]",
                "Use int16_t/int64_t/etc, rather than the C type long  [runtime/int] [4]",
            ],
        )
        # Irrelevant NOLINT directive has no effect:
        self.TestLint(
            "long a = 65;  // NOLINT(readability/casting)",
            "Use int16_t/int64_t/etc, rather than the C type long  [runtime/int] [4]",
        )
        # NOLINTNEXTLINE silences warning for the next line instead of current line
        error_collector = ErrorCollector(self.assertTrue)
        cpplint.ProcessFileData(
            "test.cc",
            "cc",
            [
                "// Copyright 2014 Your Company.",
                "// NOLINTNEXTLINE(whitespace/line_length)",
                "//  ./command" + (" -verbose" * 80),
                "",
            ],
            error_collector,
        )