Assert checks `value` and `expect` EQUAL.

AssertEQ checks `value` and `expect` EQUAL, including their TYPES.

AssertGE checks `value` is GREATER OR EQUAL THAN `expect`.

AssertGT checks `value` is GREATER THAN `expect`.

AssertIN checks `value` is IN `expect`.

AssertLE checks `value` is LESS OR EQUAL THAN `expect`.

AssertLT checks `value` is LESS EQUAL THAN `expect`.

AssertNE checks `value` and `expect` NOT EQUAL.

AssertNI checks `value` is NOT IN `expect`.

AssertNil asserts `value` is nil.

AssertNQ checks `value` and `expect` NOT EQUAL, including their TYPES.

C creates a unit testing case.

DataContent retrieves and returns the file content for specified testdata path of current package.

DataPath retrieves and returns the testdata path of current package, which is used for unit testing cases only.

Error panics with given `message`.

Fatal prints `message` to stderr and exit the process.

T is the testing unit case management object.