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README.md

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Tests for successful code generation

Each D file will be compiled and the compilation is expected to succeed. Any diagnostic emitted must match the predefined diagnostic in the test file, otherwise the test will fail.

All compiled executables will be run and are expected to finish successfully with exit code 0. Any output from those binaries must be defined via the RUN_OUTPUT parameter.

Purpose

The point of these files is to test that the compiler emits valid code whose behaviour matches the language specification.

Remarks

Every test in this directory will be executed for all permutations of the arguments provided in the ARGS environment variable unless override by the PERMUTE_ARGS test parameter.

This means that adding tests in this directory can noticeably increase the time required to run the test suite. Hence every test should consider whether running the executable or processing all permutations is beneficial to increase the test coverage.

Refer to test/README.md for general information and the test guidelines.