"-"        | ""
        ":a"       | "a"
        ":abc"     | "abc"
        ":a:b:c"   | "a_b_c"
        ":a:b:c:"  | "a_b_c"
        "a-b-c"    | "a_b_c"
        "-a-b-c-"  | "a_b_c"
        "::a::b::" | "a_b"
        "a b c"    | "a_b_c"
        "  a b c " | "a_b_c"
        "~abc"     | "abc"
        "~a~b~c~"  | "a_b_c"
    }

					t.Errorf("expected errors but didn't one for %v", tc.pdbStatus)
				}
			})
		}
	}
}

func TestIsValidSysctlPattern(t *testing.T) {
	valid := []string{
		"a.b.c.d",
		"a",
		"a_b",
		"a-b",
		"abc",
		"abc.def",
		"*",
		"a.*",
		"*",
		"abc*",
		"a.abc*",
		"a.b.*",
		"a/b/c/d",
		"a/*",
		"a/b/*",
		"a.b/c*",
		"a.b/c.d",
		"a/b.c/d",
	}

    y0 += 1
    z = math_ops.matmul(x, y, name='x_y_prod')
    a = array_ops.concat([x0, y1], axis=0, name='concat_x0_y1')
    b = array_ops.concat([y0, x1], axis=0, name='concat_y0_x1')
    x = math_ops.matmul(a, b, name='a_b')
    y = math_ops.add(x, z)
  array_ops.identity(y, name='result')


def tftop_k(_):
  x = array_ops.placeholder(dtypes.int32, shape=[5], name='x')
  output = nn_ops.top_k(x, 2, name='values')

        toConstant("four or so Words") == "FOUR_OR_SO_WORDS"
        toConstant("trailing-") == "TRAILING"
        toConstant("a") == "A"
        toConstant("A") == "A"
        toConstant("aB") == "A_B"
        toConstant("ABC") == "ABC"
        toConstant("ABCThing") == "ABC_THING"
        toConstant("ABC Thing") == "ABC_THING"
        toConstant("123-project") == "123_PROJECT"

		{"=?ISO-8859-1?Q?a?= b", "a b"},
		{"=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=", "ab"},
		{"=?ISO-8859-1?Q?a?=  =?ISO-8859-1?Q?b?=", "ab"},
		{"=?ISO-8859-1?Q?a?= \r\n\t =?ISO-8859-1?Q?b?=", "ab"},
		{"=?ISO-8859-1?Q?a_b?=", "a b"},
	}

	for _, test := range tests {
		dec := new(WordDecoder)
		s, err := dec.DecodeHeader(test.src)
		if err != nil {
			t.Errorf("DecodeHeader(%q): %v", test.src, err)
		}