20     class Expected(enum.Enum):  class in TestRustIsAvailable
116         if expected == self.Expected.SUCCESS:
121         elif expected == self.Expected.SUCCESS_WITH_EXTRA_OUTPUT:
128         elif expected == self.Expected.SUCCESS_WITH_WARNINGS:
146         result = self.run_script(self.Expected.FAILURE, { "RUSTC": None })
151         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": None })
156         result = self.run_script(self.Expected.FAILURE, { "CC": None })
161         result = self.run_script(self.Expected.FAILURE, { "RUSTC": self.missing })
165         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": self.missing })
169         result = self.run_script(self.Expected.FAILURE, { "RUSTC": self.nonexecutable })
173         result = self.run_script(self.Expected.FAILURE, { "RUSTC": self.unexpected_binary })
178         result = self.run_script(self.Expected.FAILURE, { "RUSTC": rustc })
183         result = self.run_script(self.Expected.FAILURE, { "RUSTC": rustc })
188         result = self.run_script(self.Expected.FAILURE, { "RUSTC": rustc })
193         result = self.run_script(self.Expected.FAILURE, { "RUSTC": rustc })
198         result = self.run_script(self.Expected.SUCCESS_WITH_WARNINGS, { "RUSTC": rustc })
202         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": self.nonexecutable })
206         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": self.unexpected_binary })
211         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
216         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
221         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
226         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
231         result = self.run_script(self.Expected.SUCCESS_WITH_WARNINGS, { "BINDGEN": bindgen })
241 …result = self.run_script(self.Expected.FAILURE, env | { "PATH": os.environ["PATH"], "BINDGEN": "bi…
247         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
253         result = self.run_script(self.Expected.FAILURE, { "BINDGEN": bindgen })
258         result = self.run_script(self.Expected.SUCCESS_WITH_WARNINGS, { "BINDGEN": bindgen })
263         result = self.run_script(self.Expected.SUCCESS_WITH_WARNINGS, { "CC": cc })
267 …result = self.run_script(self.Expected.FAILURE, { "PATH": os.environ["PATH"], "RUSTC": "rustc", "K…
271         result = self.run_script(self.Expected.FAILURE, { "RUST_LIB_SRC": self.missing })
275         result = self.run_script(self.Expected.SUCCESS_WITH_EXTRA_OUTPUT, { "CC": self.missing })
284         result = self.run_script(self.Expected.SUCCESS, { "CC": f"{clang} clang" })
294                 result = self.run_script(self.Expected.SUCCESS, { "RUSTC": rustc })
304                 result = self.run_script(self.Expected.SUCCESS, { "BINDGEN": bindgen })
322                 result = self.run_script(self.Expected.SUCCESS, { "BINDGEN": bindgen })
333                 result = self.run_script(self.Expected.SUCCESS, { "CC": clang })
338                 result = self.run_script(self.Expected.SUCCESS, {