diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index 294dae109425f..2fb73169a4c2a 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -261,6 +261,42 @@ pub fn test_while_readonly, F: FnOnce() + std::panic::UnwindSafe> success.unwrap(); } +/// Browse the directory `path` non-recursively and return all files which respect the parameters +/// outlined by `closure`. +#[track_caller] +pub fn shallow_find_files, F: Fn(&PathBuf) -> bool>( + path: P, + filter: F, +) -> Vec { + let mut matching_files = Vec::new(); + for entry in fs_wrapper::read_dir(path) { + let entry = entry.expect("failed to read directory entry."); + let path = entry.path(); + + if path.is_file() && filter(&path) { + matching_files.push(path); + } + } + matching_files +} + +/// Returns true if the filename at `path` starts with `prefix`. +pub fn has_prefix>(path: P, prefix: &str) -> bool { + path.as_ref().file_name().is_some_and(|name| name.to_str().unwrap().starts_with(prefix)) +} + +/// Returns true if the filename at `path` has the extension `extension`. +pub fn has_extension>(path: P, extension: &str) -> bool { + path.as_ref().extension().is_some_and(|ext| ext == extension) +} + +/// Returns true if the filename at `path` is not in `expected`. +pub fn filename_not_in_denylist>(path: P, expected: &Vec) -> bool { + path.as_ref() + .file_name() + .is_some_and(|name| !expected.contains(&name.to_str().unwrap().to_owned())) +} + /// Use `cygpath -w` on a path to get a Windows path string back. This assumes that `cygpath` is /// available on the platform! #[track_caller] diff --git a/src/tools/tidy/src/allowed_run_make_makefiles.txt b/src/tools/tidy/src/allowed_run_make_makefiles.txt index 276d2d694cda0..fe3b1eeae23d7 100644 --- a/src/tools/tidy/src/allowed_run_make_makefiles.txt +++ b/src/tools/tidy/src/allowed_run_make_makefiles.txt @@ -107,7 +107,6 @@ run-make/no-duplicate-libs/Makefile run-make/obey-crate-type-flag/Makefile run-make/optimization-remarks-dir-pgo/Makefile run-make/optimization-remarks-dir/Makefile -run-make/output-type-permutations/Makefile run-make/panic-abort-eh_frame/Makefile run-make/pass-linker-flags-flavor/Makefile run-make/pass-linker-flags-from-dep/Makefile diff --git a/tests/run-make/output-type-permutations/Makefile b/tests/run-make/output-type-permutations/Makefile deleted file mode 100644 index 035033b9fddd3..0000000000000 --- a/tests/run-make/output-type-permutations/Makefile +++ /dev/null @@ -1,147 +0,0 @@ -# ignore-cross-compile -include ../tools.mk - -all: - $(RUSTC) foo.rs --crate-type=rlib,dylib,staticlib - $(call REMOVE_RLIBS,bar) - $(call REMOVE_DYLIBS,bar) - rm $(call STATICLIB,bar) - rm -f $(TMPDIR)/{lib,}bar.{dll.exp,dll.lib,pdb,dll.a} - # Check that $(TMPDIR) is empty. - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --crate-type=bin - rm $(TMPDIR)/$(call BIN,bar) - rm -f $(TMPDIR)/bar.pdb - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --emit=asm,llvm-ir,llvm-bc,obj,link - rm $(TMPDIR)/bar.ll - rm $(TMPDIR)/bar.bc - rm $(TMPDIR)/bar.s - rm $(TMPDIR)/bar.o - rm $(TMPDIR)/$(call BIN,bar) - rm -f $(TMPDIR)/bar.pdb - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --emit asm -o $(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --emit asm=$(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --emit=asm=$(TMPDIR)/foo - rm $(TMPDIR)/foo - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --emit llvm-bc -o $(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --emit llvm-bc=$(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --emit=llvm-bc=$(TMPDIR)/foo - rm $(TMPDIR)/foo - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --emit llvm-ir -o $(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --emit llvm-ir=$(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --emit=llvm-ir=$(TMPDIR)/foo - rm $(TMPDIR)/foo - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --emit obj -o $(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --emit obj=$(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --emit=obj=$(TMPDIR)/foo - rm $(TMPDIR)/foo - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --emit link -o $(TMPDIR)/$(call BIN,foo) - rm $(TMPDIR)/$(call BIN,foo) - $(RUSTC) foo.rs --emit link=$(TMPDIR)/$(call BIN,foo) - rm $(TMPDIR)/$(call BIN,foo) - $(RUSTC) foo.rs --emit=link=$(TMPDIR)/$(call BIN,foo) - rm $(TMPDIR)/$(call BIN,foo) - rm -f $(TMPDIR)/foo.pdb - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --crate-type=rlib -o $(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --crate-type=rlib --emit link=$(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --crate-type=rlib --emit=link=$(TMPDIR)/foo - rm $(TMPDIR)/foo - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --crate-type=dylib -o $(TMPDIR)/$(call BIN,foo) - rm $(TMPDIR)/$(call BIN,foo) - $(RUSTC) foo.rs --crate-type=dylib --emit link=$(TMPDIR)/$(call BIN,foo) - rm $(TMPDIR)/$(call BIN,foo) - $(RUSTC) foo.rs --crate-type=dylib --emit=link=$(TMPDIR)/$(call BIN,foo) - rm $(TMPDIR)/$(call BIN,foo) - rm -f $(TMPDIR)/{lib,}foo.{dll.exp,dll.lib,pdb,dll.a,exe.a} - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] || (ls -1 $(TMPDIR) && exit 1) - - $(RUSTC) foo.rs --crate-type=staticlib -o $(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --crate-type=staticlib --emit link=$(TMPDIR)/foo - rm $(TMPDIR)/foo - $(RUSTC) foo.rs --crate-type=staticlib --emit=link=$(TMPDIR)/foo - rm $(TMPDIR)/foo - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --crate-type=bin -o $(TMPDIR)/$(call BIN,foo) - rm $(TMPDIR)/$(call BIN,foo) - $(RUSTC) foo.rs --crate-type=bin --emit link=$(TMPDIR)/$(call BIN,foo) - rm $(TMPDIR)/$(call BIN,foo) - $(RUSTC) foo.rs --crate-type=bin --emit=link=$(TMPDIR)/$(call BIN,foo) - rm $(TMPDIR)/$(call BIN,foo) - rm -f $(TMPDIR)/foo.pdb - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --emit llvm-ir=$(TMPDIR)/ir \ - --emit link \ - --crate-type=rlib - rm $(TMPDIR)/ir - rm $(TMPDIR)/libbar.rlib - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --emit asm=$(TMPDIR)/asm \ - --emit llvm-ir=$(TMPDIR)/ir \ - --emit llvm-bc=$(TMPDIR)/bc \ - --emit obj=$(TMPDIR)/obj \ - --emit link=$(TMPDIR)/link \ - --crate-type=staticlib - rm $(TMPDIR)/asm - rm $(TMPDIR)/ir - rm $(TMPDIR)/bc - rm $(TMPDIR)/obj - rm $(TMPDIR)/link - $(RUSTC) foo.rs --emit=asm=$(TMPDIR)/asm \ - --emit llvm-ir=$(TMPDIR)/ir \ - --emit=llvm-bc=$(TMPDIR)/bc \ - --emit obj=$(TMPDIR)/obj \ - --emit=link=$(TMPDIR)/link \ - --crate-type=staticlib - rm $(TMPDIR)/asm - rm $(TMPDIR)/ir - rm $(TMPDIR)/bc - rm $(TMPDIR)/obj - rm $(TMPDIR)/link - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] - - $(RUSTC) foo.rs --emit=asm,llvm-ir,llvm-bc,obj,link --crate-type=staticlib - rm $(TMPDIR)/bar.ll - rm $(TMPDIR)/bar.s - rm $(TMPDIR)/bar.o - rm $(call STATICLIB,bar) - mv $(TMPDIR)/bar.bc $(TMPDIR)/foo.bc - # Don't check that the $(TMPDIR) is empty - we left `foo.bc` for later - # comparison. - - $(RUSTC) foo.rs --emit=llvm-bc,link --crate-type=rlib - cmp $(TMPDIR)/foo.bc $(TMPDIR)/bar.bc - rm $(TMPDIR)/bar.bc - rm $(TMPDIR)/foo.bc - $(call REMOVE_RLIBS,bar) - [ "$$(ls -1 $(TMPDIR) | wc -l)" -eq "0" ] diff --git a/tests/run-make/output-type-permutations/rmake.rs b/tests/run-make/output-type-permutations/rmake.rs new file mode 100644 index 0000000000000..2b41945438d49 --- /dev/null +++ b/tests/run-make/output-type-permutations/rmake.rs @@ -0,0 +1,541 @@ +// In 2014, rustc's output flags were reworked to be a lot more modular. +// This test uses these output flags in an expansive variety of combinations +// and syntax styles, checking that compilation is successful and that output +// files are exactly what is expected, no more, no less. +// See /~https://github.com/rust-lang/rust/pull/12020 + +use run_make_support::{ + bin_name, dynamic_lib_name, filename_not_in_denylist, fs_wrapper, rust_lib_name, rustc, + shallow_find_files, static_lib_name, +}; + +// Each test takes 4 arguments: +// `must_exist`: output files which must be found - if any are absent, the test fails +// `can_exist`: optional output files which will not trigger a failure +// `dir`: the name of the directory where the test happens +// `rustc_invocation`: the rustc command being tested +// Any unexpected output files not listed in `must_exist` or `can_exist` will cause a failure. +fn assert_expected_output_files(expectations: Expectations, rustc_invocation: impl Fn()) { + let must_exist = expectations.expected_files; + let can_exist = expectations.allowed_files; + let dir = expectations.test_dir; + + fs_wrapper::create_dir(&dir); + rustc_invocation(); + for file in must_exist { + fs_wrapper::remove_file(dir.to_owned() + "/" + &file); + } + let actual_output_files = + shallow_find_files(dir, |path| filename_not_in_denylist(path, &can_exist)); + if !&actual_output_files.is_empty() { + dbg!(&actual_output_files); + panic!("unexpected output artifacts detected"); + } +} + +struct Expectations { + /// Output files which must be found. The test fails if any are absent. + expected_files: Vec, + /// Allowed output files which will not trigger a failure. + allowed_files: Vec, + /// Name of the directory where the test happens. + test_dir: String, +} + +macro_rules! s { + ( $( $x:expr ),* ) => { + { + let mut temp_vec = Vec::new(); + $( + temp_vec.push($x.to_string()); + )* + temp_vec + } + }; +} + +fn main() { + let bin_foo = bin_name("foo"); + + assert_expected_output_files( + Expectations { + expected_files: s![ + static_lib_name("bar"), + dynamic_lib_name("bar"), + rust_lib_name("bar") + ], + allowed_files: s![ + "libbar.ddl.exp", + "libbar.dll.lib", + "libbar.pdb", + "libbar.dll.a", + "libbar.exe.a", + "bar.ddl.exp", + "bar.dll.lib", + "bar.pdb", + "bar.dll.a", + "bar.exe.a" + ], + test_dir: "three-crates".to_string(), + }, + || { + rustc() + .input("foo.rs") + .out_dir("three-crates") + .crate_type("rlib,dylib,staticlib") + .run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s![bin_name("bar")], + allowed_files: s!["bar.pdb"], + test_dir: "bin-crate".to_string(), + }, + || { + rustc().input("foo.rs").crate_type("bin").out_dir("bin-crate").run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["bar.ll", "bar.bc", "bar.s", "bar.o", bin_name("bar")], + allowed_files: s!["bar.pdb"], + test_dir: "all-emit".to_string(), + }, + || { + rustc().input("foo.rs").emit("asm,llvm-ir,llvm-bc,obj,link").out_dir("all-emit").run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "asm-emit".to_string(), + }, + || { + rustc().input("foo.rs").emit("asm").output("asm-emit/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "asm-emit2".to_string(), + }, + || { + rustc().input("foo.rs").emit("asm=asm-emit2/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "asm-emit3".to_string(), + }, + || { + rustc().input("foo.rs").arg("--emit=asm=asm-emit3/foo").run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "llvm-ir-emit".to_string(), + }, + || { + rustc().input("foo.rs").emit("llvm-ir").output("llvm-ir-emit/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "llvm-ir-emit2".to_string(), + }, + || { + rustc().input("foo.rs").emit("llvm-ir=llvm-ir-emit2/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "llvm-ir-emit3".to_string(), + }, + || { + rustc().input("foo.rs").arg("--emit=llvm-ir=llvm-ir-emit3/foo").run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "llvm-bc-emit".to_string(), + }, + || { + rustc().input("foo.rs").emit("llvm-bc").output("llvm-bc-emit/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "llvm-bc-emit2".to_string(), + }, + || { + rustc().input("foo.rs").emit("llvm-bc=llvm-bc-emit2/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "llvm-bc-emit3".to_string(), + }, + || { + rustc().input("foo.rs").arg("--emit=llvm-bc=llvm-bc-emit3/foo").run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "obj-emit".to_string(), + }, + || { + rustc().input("foo.rs").emit("obj").output("obj-emit/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "obj-emit2".to_string(), + }, + || { + rustc().input("foo.rs").emit("obj=obj-emit2/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "obj-emit3".to_string(), + }, + || { + rustc().input("foo.rs").arg("--emit=obj=obj-emit3/foo").run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s![&bin_foo], + allowed_files: s![], + test_dir: "link-emit".to_string(), + }, + || { + rustc().input("foo.rs").emit("link").output("link-emit/".to_owned() + &bin_foo).run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s![&bin_foo], + allowed_files: s![], + test_dir: "link-emit2".to_string(), + }, + || { + rustc().input("foo.rs").emit(&format!("link=link-emit2/{bin_foo}")).run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s![&bin_foo], + allowed_files: s![], + test_dir: "link-emit3".to_string(), + }, + || { + rustc().input("foo.rs").arg(&format!("--emit=link=link-emit3/{bin_foo}")).run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "rlib".to_string(), + }, + || { + rustc().crate_type("rlib").input("foo.rs").output("rlib/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "rlib2".to_string(), + }, + || { + rustc().crate_type("rlib").input("foo.rs").emit("link=rlib2/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "rlib3".to_string(), + }, + || { + rustc().crate_type("rlib").input("foo.rs").arg("--emit=link=rlib3/foo").run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s![bin_foo], + allowed_files: s![ + "libbar.ddl.exp", + "libbar.dll.lib", + "libbar.pdb", + "libbar.dll.a", + "libbar.exe.a", + "bar.ddl.exp", + "bar.dll.lib", + "bar.pdb", + "bar.dll.a", + "bar.exe.a" + ], + test_dir: "dylib".to_string(), + }, + || { + rustc() + .crate_type("dylib") + .input("foo.rs") + .output("dylib/".to_owned() + &bin_foo) + .run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s![bin_foo], + allowed_files: s![ + "libbar.ddl.exp", + "libbar.dll.lib", + "libbar.pdb", + "libbar.dll.a", + "libbar.exe.a", + "bar.ddl.exp", + "bar.dll.lib", + "bar.pdb", + "bar.dll.a", + "bar.exe.a" + ], + test_dir: "dylib2".to_string(), + }, + || { + rustc() + .crate_type("dylib") + .input("foo.rs") + .emit(&format!("link=dylib2/{bin_foo}")) + .run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s![bin_foo], + allowed_files: s![ + "libbar.ddl.exp", + "libbar.dll.lib", + "libbar.pdb", + "libbar.dll.a", + "libbar.exe.a", + "bar.ddl.exp", + "bar.dll.lib", + "bar.pdb", + "bar.dll.a", + "bar.exe.a" + ], + test_dir: "dylib3".to_string(), + }, + || { + rustc() + .crate_type("dylib") + .input("foo.rs") + .arg(&format!("--emit=link=dylib3/{bin_foo}")) + .run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "staticlib".to_string(), + }, + || { + rustc().crate_type("staticlib").input("foo.rs").output("staticlib/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "staticlib2".to_string(), + }, + || { + rustc().crate_type("staticlib").input("foo.rs").emit("link=staticlib2/foo").run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s![], + test_dir: "staticlib3".to_string(), + }, + || { + rustc().crate_type("staticlib").input("foo.rs").arg("--emit=link=staticlib3/foo").run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s!["foo.pdb"], + test_dir: "bincrate".to_string(), + }, + || { + rustc() + .crate_type("bin") + .input("foo.rs") + .output("bincrate/".to_owned() + &bin_foo) + .run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s!["foo.pdb"], + test_dir: "bincrate2".to_string(), + }, + || { + rustc() + .crate_type("bin") + .input("foo.rs") + .emit(&format!("link=bincrate2/{bin_foo}")) + .run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["foo"], + allowed_files: s!["foo.pdb"], + test_dir: "bincrate3".to_string(), + }, + || { + rustc() + .crate_type("bin") + .input("foo.rs") + .arg(&format!("--emit=link=bincrate3/{bin_foo}")) + .run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["ir", rust_lib_name("bar")], + allowed_files: s![], + test_dir: "rlib-ir".to_string(), + }, + || { + rustc() + .input("foo.rs") + .emit("llvm-ir=rlib-ir/ir") + .emit("link") + .crate_type("rlib") + .out_dir("rlib-ir") + .run(); + }, + ); + + assert_expected_output_files( + Expectations { + expected_files: s!["ir", "asm", "bc", "obj", "link"], + allowed_files: s![], + test_dir: "staticlib-all".to_string(), + }, + || { + rustc() + .input("foo.rs") + .emit("asm=staticlib-all/asm") + .emit("llvm-ir=staticlib-all/ir") + .emit("llvm-bc=staticlib-all/bc") + .emit("obj=staticlib-all/obj") + .emit("link=staticlib-all/link") + .crate_type("staticlib") + .run(); + }, + ); + assert_expected_output_files( + Expectations { + expected_files: s!["ir", "asm", "bc", "obj", "link"], + allowed_files: s![], + test_dir: "staticlib-all2".to_string(), + }, + || { + rustc() + .input("foo.rs") + .arg("--emit=asm=staticlib-all2/asm") + .arg("--emit") + .arg("llvm-ir=staticlib-all2/ir") + .arg("--emit=llvm-bc=staticlib-all2/bc") + .arg("--emit") + .arg("obj=staticlib-all2/obj") + .arg("--emit=link=staticlib-all2/link") + .crate_type("staticlib") + .run(); + }, + ); + + assert_expected_output_files( + Expectations{ expected_files: + s!["bar.ll", "bar.s", "bar.o", static_lib_name("bar")], + allowed_files: s!["bar.bc"], test_dir: // keep this one for the next test + "staticlib-all3".to_string()}, + || { + rustc() + .input("foo.rs") + .emit("asm,llvm-ir,llvm-bc,obj,link") + .crate_type("staticlib") + .out_dir("staticlib-all3") + .run(); + }, + ); + + // the .bc file from the previous test should be equivalent to this one, despite the difference + // in crate type + assert_expected_output_files( + Expectations { + expected_files: s!["bar.bc", rust_lib_name("bar"), "foo.bc"], + allowed_files: s![], + test_dir: "rlib-emits".to_string(), + }, + || { + fs_wrapper::rename("staticlib-all3/bar.bc", "rlib-emits/foo.bc"); + rustc() + .input("foo.rs") + .emit("llvm-bc,link") + .crate_type("rlib") + .out_dir("rlib-emits") + .run(); + assert_eq!( + fs_wrapper::read("rlib-emits/foo.bc"), + fs_wrapper::read("rlib-emits/bar.bc") + ); + }, + ); +}