Function assertHappensBefore

assertHappensBefore(
    shell: RShell,
    code: string,
    a: SlicingCriterion,
    b: SlicingCriterion,
    expected: Ternary,
    reversed?: boolean,
): SuiteCollector<object>
Asserts that in the given code, criterion a happens before criterion b according to the expected Ternary value.
Parameters
- shell: RShell
  The RShell instance to use for parsing and analysis.
- code: string
  The R code to analyze.
- a: SlicingCriterion
  The first slicing criterion.
- b: SlicingCriterion
  The second slicing criterion that is compared against the first.
- expected: Ternary
  The expected Ternary result indicating the happens-before relationship.
- reversed: boolean = true
  Whether to check the reversed relationship as well, which fails where the end of a function is unreachable.
Returns SuiteCollector<object>
- Defined in test/functionality/_helper/controlflow/happens-before.ts:33