| assertionTest | Test Expressions |
| assertionTest-package | Tools for running Splus-like assertionTest based tests |
| atAbort | Stop an assertionTest Run |
| atExpectStop | Verify That an Expression Causes an Error |
| atExpectWarnings | Check That Expression Causes Expected Warnings |
| atFilePath | EXPERIMENTAL Function to Find Data Files for Tests |
| atOnExit | Register Expression to Run at the End of an assertionTest |
| atOnlyIf | Evaluate an Expression Only If Condition Is TRUE |
| atSource | Run Commands in Another File Using Relative File Paths |
| atUsesRandom | Encapsulate Use of Random Numbers in Tests |
| atWithEnvVars | Temporarily Set or Unset Environment Variables |
| listToSourcePackage | Store Source Packages as Lists and the Inverse. |
| print.assertionTestResults | Test Expressions |
| sourcePackageToList | Store Source Packages as Lists and the Inverse. |
| testCheckSNTEST | Find Data Files for Tests in SNTEST/Data Directory |
| testCreateFileTemplate | Create or fix up metadata comments in a test file |
| testDataPath | Find Data Files for Tests in SNTEST/Data Directory |
| testFixTags | Check and Fix the Metadata in the Output of testParseTestFile |
| testGetSNTEST | Find Data Files for Tests in SNTEST/Data Directory |
| testParseTestFile | Extract Metadata from Test File |
| testSetSNTEST | Find Data Files for Tests in SNTEST/Data Directory |
| testWriteTestFile | Write a Test File with Metadata Comments |