What is the alternate name for white box testing ?

Question

Accepted Answer

The correct option is (3):
White box testing is fundamentally a method where the tester is fully aware of the internal structure, design, and code implementation of the software being tested. Therefore, it is commonly referred to as Glass Box Testing. This name is highly descriptive because it implies that the internal workings are transparent, just like looking through a pane of glass. This allows the tester to focus on ensuring all statements, paths, conditions, and branches within the code are executed correctly, a task impossible to perform without the internal visibility the "white box" or "glass box" provides. The conceptual opposite of this is Black Box testing, where the internal structure is hidden from the tester.

The incorrect option is (1):
Graph Testing is a specific technique that can be used *within* the white box testing methodology, but it is not the alternate name for the entire process itself. In this approach, the program's source code is modeled as a control flow graph, where nodes represent program statements and edges represent control flow. Test cases are then designed to traverse these specific, represented paths. While it helps in understanding the internal flow, the general alternate name for the entire testing type remains Glass Box Testing, which is the synonymous term.

The incorrect option is (2):
Basic Path Testing is a distinct, metrics-driven technique, often associated with McCabe’s cyclomatic complexity metric, that falls under the umbrella of white box testing. This technique aims to define a basis set of linear independent paths through a program's control flow graph. The goal is to generate test cases to execute each path in this basis set at least once. It is a rigorous *method* for achieving white box coverage but is not the general, encompassing alternative name for white box testing itself.

The incorrect option is (4):
Dataflow Testing is a specialized structural testing technique used *in* white box testing. The primary focus of this method is to ensure that the definition and subsequent use of every variable within the program are adequately tested. It involves selecting test paths based on the flow of data from where a variable is assigned a value (definition) to where that value is used. Although it requires detailed internal knowledge, it is a focused technique and not the overall alternative name for white box testing.