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-rw-r--r--tests/testsuite/bench.rs1673
1 files changed, 1673 insertions, 0 deletions
diff --git a/tests/testsuite/bench.rs b/tests/testsuite/bench.rs
new file mode 100644
index 0000000..60ad2b6
--- /dev/null
+++ b/tests/testsuite/bench.rs
@@ -0,0 +1,1673 @@
+//! Tests for the `cargo bench` command.
+
+use cargo_test_support::paths::CargoPathExt;
+use cargo_test_support::{basic_bin_manifest, basic_lib_manifest, basic_manifest, project};
+
+#[cargo_test(nightly, reason = "bench")]
+fn cargo_bench_simple() {
+ let p = project()
+ .file("Cargo.toml", &basic_bin_manifest("foo"))
+ .file(
+ "src/main.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+
+ fn hello() -> &'static str {
+ "hello"
+ }
+
+ pub fn main() {
+ println!("{}", hello())
+ }
+
+ #[bench]
+ fn bench_hello(_b: &mut test::Bencher) {
+ assert_eq!(hello(), "hello")
+ }
+ "#,
+ )
+ .build();
+
+ p.cargo("build").run();
+ assert!(p.bin("foo").is_file());
+
+ p.process(&p.bin("foo")).with_stdout("hello\n").run();
+
+ p.cargo("bench")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.5.0 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])",
+ )
+ .with_stdout_contains("test bench_hello ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_bench_implicit() {
+ let p = project()
+ .file(
+ "src/main.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ #[bench] fn run1(_ben: &mut test::Bencher) { }
+ fn main() { println!("Hello main!"); }
+ "#,
+ )
+ .file(
+ "tests/other.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench] fn run3(_ben: &mut test::Bencher) { }
+ "#,
+ )
+ .file(
+ "benches/mybench.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench] fn run2(_ben: &mut test::Bencher) { }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench --benches")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])
+[RUNNING] [..] (target/release/deps/mybench-[..][EXE])
+",
+ )
+ .with_stdout_contains("test run2 ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_bin_implicit() {
+ let p = project()
+ .file(
+ "src/main.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ #[bench] fn run1(_ben: &mut test::Bencher) { }
+ fn main() { println!("Hello main!"); }
+ "#,
+ )
+ .file(
+ "tests/other.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench] fn run3(_ben: &mut test::Bencher) { }
+ "#,
+ )
+ .file(
+ "benches/mybench.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench] fn run2(_ben: &mut test::Bencher) { }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench --bins")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])
+",
+ )
+ .with_stdout_contains("test run1 ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_tarname() {
+ let p = project()
+ .file(
+ "benches/bin1.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench] fn run1(_ben: &mut test::Bencher) { }
+ "#,
+ )
+ .file(
+ "benches/bin2.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench] fn run2(_ben: &mut test::Bencher) { }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench --bench bin2")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/bin2-[..][EXE])
+",
+ )
+ .with_stdout_contains("test run2 ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_multiple_targets() {
+ let p = project()
+ .file(
+ "benches/bin1.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench] fn run1(_ben: &mut test::Bencher) { }
+ "#,
+ )
+ .file(
+ "benches/bin2.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench] fn run2(_ben: &mut test::Bencher) { }
+ "#,
+ )
+ .file(
+ "benches/bin3.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench] fn run3(_ben: &mut test::Bencher) { }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench --bench bin1 --bench bin2")
+ .with_stdout_contains("test run1 ... bench: [..]")
+ .with_stdout_contains("test run2 ... bench: [..]")
+ .with_stdout_does_not_contain("[..]run3[..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn cargo_bench_verbose() {
+ let p = project()
+ .file("Cargo.toml", &basic_bin_manifest("foo"))
+ .file(
+ "src/main.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ fn main() {}
+ #[bench] fn bench_hello(_b: &mut test::Bencher) {}
+ "#,
+ )
+ .build();
+
+ p.cargo("bench -v hello")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.5.0 ([CWD])
+[RUNNING] `rustc [..] src/main.rs [..]`
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] `[..]target/release/deps/foo-[..][EXE] hello --bench`",
+ )
+ .with_stdout_contains("test bench_hello ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn many_similar_names() {
+ let p = project()
+ .file(
+ "src/lib.rs",
+ "
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ pub fn foo() {}
+ #[bench] fn lib_bench(_b: &mut test::Bencher) {}
+ ",
+ )
+ .file(
+ "src/main.rs",
+ "
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate foo;
+ #[cfg(test)]
+ extern crate test;
+ fn main() {}
+ #[bench] fn bin_bench(_b: &mut test::Bencher) { foo::foo() }
+ ",
+ )
+ .file(
+ "benches/foo.rs",
+ r#"
+ #![feature(test)]
+ extern crate foo;
+ extern crate test;
+ #[bench] fn bench_bench(_b: &mut test::Bencher) { foo::foo() }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stdout_contains("test bin_bench ... bench: 0 ns/iter (+/- 0)")
+ .with_stdout_contains("test lib_bench ... bench: 0 ns/iter (+/- 0)")
+ .with_stdout_contains("test bench_bench ... bench: 0 ns/iter (+/- 0)")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn cargo_bench_failing_test() {
+ let p = project()
+ .file("Cargo.toml", &basic_bin_manifest("foo"))
+ .file(
+ "src/main.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ fn hello() -> &'static str {
+ "hello"
+ }
+
+ pub fn main() {
+ println!("{}", hello())
+ }
+
+ #[bench]
+ fn bench_hello(_b: &mut test::Bencher) {
+ assert_eq!(hello(), "nope")
+ }
+ "#,
+ )
+ .build();
+
+ p.cargo("build").run();
+ assert!(p.bin("foo").is_file());
+
+ p.process(&p.bin("foo")).with_stdout("hello\n").run();
+
+ // Force libtest into serial execution so that the test header will be printed.
+ p.cargo("bench -- --test-threads=1")
+ .with_stdout_contains("test bench_hello ...[..]")
+ .with_stderr_contains(
+ "\
+[COMPILING] foo v0.5.0 ([CWD])[..]
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])",
+ )
+ .with_stdout_contains(
+ "[..]thread '[..]' panicked at 'assertion failed: `(left == right)`[..]",
+ )
+ .with_stdout_contains("[..]left: `\"hello\"`[..]")
+ .with_stdout_contains("[..]right: `\"nope\"`[..]")
+ .with_stdout_contains("[..]src/main.rs:15[..]")
+ .with_status(101)
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_with_lib_dep() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+ authors = []
+
+ [[bin]]
+ name = "baz"
+ path = "src/main.rs"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ ///
+ /// ```rust
+ /// extern crate foo;
+ /// fn main() {
+ /// println!("{}", foo::foo());
+ /// }
+ /// ```
+ ///
+ pub fn foo(){}
+ #[bench] fn lib_bench(_b: &mut test::Bencher) {}
+ "#,
+ )
+ .file(
+ "src/main.rs",
+ "
+ #![feature(test)]
+ #[allow(unused_extern_crates)]
+ extern crate foo;
+ #[cfg(test)]
+ extern crate test;
+
+ fn main() {}
+
+ #[bench]
+ fn bin_bench(_b: &mut test::Bencher) {}
+ ",
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])
+[RUNNING] [..] (target/release/deps/baz-[..][EXE])",
+ )
+ .with_stdout_contains("test lib_bench ... bench: [..]")
+ .with_stdout_contains("test bin_bench ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_with_deep_lib_dep() {
+ let p = project()
+ .at("bar")
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "bar"
+ version = "0.0.1"
+ authors = []
+
+ [dependencies.foo]
+ path = "../foo"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ "
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate foo;
+ #[cfg(test)]
+ extern crate test;
+ #[bench]
+ fn bar_bench(_b: &mut test::Bencher) {
+ foo::foo();
+ }
+ ",
+ )
+ .build();
+ let _p2 = project()
+ .file(
+ "src/lib.rs",
+ "
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+
+ pub fn foo() {}
+
+ #[bench]
+ fn foo_bench(_b: &mut test::Bencher) {}
+ ",
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([..])
+[COMPILING] bar v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/bar-[..][EXE])",
+ )
+ .with_stdout_contains("test bar_bench ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn external_bench_explicit() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+ authors = []
+
+ [[bench]]
+ name = "bench"
+ path = "src/bench.rs"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ pub fn get_hello() -> &'static str { "Hello" }
+
+ #[bench]
+ fn internal_bench(_b: &mut test::Bencher) {}
+ "#,
+ )
+ .file(
+ "src/bench.rs",
+ r#"
+ #![feature(test)]
+ #[allow(unused_extern_crates)]
+ extern crate foo;
+ extern crate test;
+
+ #[bench]
+ fn external_bench(_b: &mut test::Bencher) {}
+ "#,
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])
+[RUNNING] [..] (target/release/deps/bench-[..][EXE])",
+ )
+ .with_stdout_contains("test internal_bench ... bench: [..]")
+ .with_stdout_contains("test external_bench ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn external_bench_implicit() {
+ let p = project()
+ .file(
+ "src/lib.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+
+ pub fn get_hello() -> &'static str { "Hello" }
+
+ #[bench]
+ fn internal_bench(_b: &mut test::Bencher) {}
+ "#,
+ )
+ .file(
+ "benches/external.rs",
+ r#"
+ #![feature(test)]
+ #[allow(unused_extern_crates)]
+ extern crate foo;
+ extern crate test;
+
+ #[bench]
+ fn external_bench(_b: &mut test::Bencher) {}
+ "#,
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])
+[RUNNING] [..] (target/release/deps/external-[..][EXE])",
+ )
+ .with_stdout_contains("test internal_bench ... bench: [..]")
+ .with_stdout_contains("test external_bench ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_autodiscover_2015() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+ authors = []
+ edition = "2015"
+
+ [features]
+ magic = []
+
+ [[bench]]
+ name = "bench_magic"
+ required-features = ["magic"]
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .file(
+ "benches/bench_basic.rs",
+ r#"
+ #![feature(test)]
+ #[allow(unused_extern_crates)]
+ extern crate foo;
+ extern crate test;
+
+ #[bench]
+ fn bench_basic(_b: &mut test::Bencher) {}
+ "#,
+ )
+ .file(
+ "benches/bench_magic.rs",
+ r#"
+ #![feature(test)]
+ #[allow(unused_extern_crates)]
+ extern crate foo;
+ extern crate test;
+
+ #[bench]
+ fn bench_magic(_b: &mut test::Bencher) {}
+ "#,
+ )
+ .build();
+
+ p.cargo("bench bench_basic")
+ .with_stderr(
+ "warning: \
+An explicit [[bench]] section is specified in Cargo.toml which currently
+disables Cargo from automatically inferring other benchmark targets.
+This inference behavior will change in the Rust 2018 edition and the following
+files will be included as a benchmark target:
+
+* [..]bench_basic.rs
+
+This is likely to break cargo build or cargo test as these files may not be
+ready to be compiled as a benchmark target today. You can future-proof yourself
+and disable this warning by adding `autobenches = false` to your [package]
+section. You may also move the files to a location where Cargo would not
+automatically infer them to be a target, such as in subfolders.
+
+For more information on this warning you can consult
+https://github.com/rust-lang/cargo/issues/5330
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])
+",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn dont_run_examples() {
+ let p = project()
+ .file("src/lib.rs", "")
+ .file(
+ "examples/dont-run-me-i-will-fail.rs",
+ r#"fn main() { panic!("Examples should not be run by 'cargo test'"); }"#,
+ )
+ .build();
+ p.cargo("bench").run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn pass_through_command_line() {
+ let p = project()
+ .file(
+ "src/lib.rs",
+ "
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+
+ #[bench] fn foo(_b: &mut test::Bencher) {}
+ #[bench] fn bar(_b: &mut test::Bencher) {}
+ ",
+ )
+ .build();
+
+ p.cargo("bench bar")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])",
+ )
+ .with_stdout_contains("test bar ... bench: [..]")
+ .run();
+
+ p.cargo("bench foo")
+ .with_stderr(
+ "[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])",
+ )
+ .with_stdout_contains("test foo ... bench: [..]")
+ .run();
+}
+
+// Regression test for running cargo-bench twice with
+// tests in an rlib
+#[cargo_test(nightly, reason = "bench")]
+fn cargo_bench_twice() {
+ let p = project()
+ .file("Cargo.toml", &basic_lib_manifest("foo"))
+ .file(
+ "src/foo.rs",
+ r#"
+ #![crate_type = "rlib"]
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+
+ #[bench]
+ fn dummy_bench(b: &mut test::Bencher) { }
+ "#,
+ )
+ .build();
+
+ for _ in 0..2 {
+ p.cargo("bench").run();
+ }
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn lib_bin_same_name() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+ authors = []
+
+ [lib]
+ name = "foo"
+ [[bin]]
+ name = "foo"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ "
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ #[bench] fn lib_bench(_b: &mut test::Bencher) {}
+ ",
+ )
+ .file(
+ "src/main.rs",
+ "
+ #![feature(test)]
+ #[allow(unused_extern_crates)]
+ extern crate foo;
+ #[cfg(test)]
+ extern crate test;
+
+ #[bench]
+ fn bin_bench(_b: &mut test::Bencher) {}
+ ",
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])",
+ )
+ .with_stdout_contains_n("test [..] ... bench: [..]", 2)
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn lib_with_standard_name() {
+ let p = project()
+ .file("Cargo.toml", &basic_manifest("syntax", "0.0.1"))
+ .file(
+ "src/lib.rs",
+ "
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+
+ /// ```
+ /// syntax::foo();
+ /// ```
+ pub fn foo() {}
+
+ #[bench]
+ fn foo_bench(_b: &mut test::Bencher) {}
+ ",
+ )
+ .file(
+ "benches/bench.rs",
+ "
+ #![feature(test)]
+ extern crate syntax;
+ extern crate test;
+
+ #[bench]
+ fn bench(_b: &mut test::Bencher) { syntax::foo() }
+ ",
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stderr(
+ "\
+[COMPILING] syntax v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/syntax-[..][EXE])
+[RUNNING] [..] (target/release/deps/bench-[..][EXE])",
+ )
+ .with_stdout_contains("test foo_bench ... bench: [..]")
+ .with_stdout_contains("test bench ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn lib_with_standard_name2() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "syntax"
+ version = "0.0.1"
+ authors = []
+
+ [lib]
+ name = "syntax"
+ bench = false
+ doctest = false
+ "#,
+ )
+ .file("src/lib.rs", "pub fn foo() {}")
+ .file(
+ "src/main.rs",
+ "
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate syntax;
+ #[cfg(test)]
+ extern crate test;
+
+ fn main() {}
+
+ #[bench]
+ fn bench(_b: &mut test::Bencher) { syntax::foo() }
+ ",
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stderr(
+ "\
+[COMPILING] syntax v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/syntax-[..][EXE])",
+ )
+ .with_stdout_contains("test bench ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_dylib() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+ authors = []
+
+ [lib]
+ name = "foo"
+ crate_type = ["dylib"]
+
+ [dependencies.bar]
+ path = "bar"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ r#"
+ #![feature(test)]
+ extern crate bar as the_bar;
+ #[cfg(test)]
+ extern crate test;
+
+ pub fn bar() { the_bar::baz(); }
+
+ #[bench]
+ fn foo(_b: &mut test::Bencher) {}
+ "#,
+ )
+ .file(
+ "benches/bench.rs",
+ r#"
+ #![feature(test)]
+ extern crate foo as the_foo;
+ extern crate test;
+
+ #[bench]
+ fn foo(_b: &mut test::Bencher) { the_foo::bar(); }
+ "#,
+ )
+ .file(
+ "bar/Cargo.toml",
+ r#"
+ [package]
+ name = "bar"
+ version = "0.0.1"
+ authors = []
+
+ [lib]
+ name = "bar"
+ crate_type = ["dylib"]
+ "#,
+ )
+ .file("bar/src/lib.rs", "pub fn baz() {}")
+ .build();
+
+ p.cargo("bench -v")
+ .with_stderr(
+ "\
+[COMPILING] bar v0.0.1 ([CWD]/bar)
+[RUNNING] [..] -C opt-level=3 [..]
+[COMPILING] foo v0.0.1 ([CWD])
+[RUNNING] [..] -C opt-level=3 [..]
+[RUNNING] [..] -C opt-level=3 [..]
+[RUNNING] [..] -C opt-level=3 [..]
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] `[..]target/release/deps/foo-[..][EXE] --bench`
+[RUNNING] `[..]target/release/deps/bench-[..][EXE] --bench`",
+ )
+ .with_stdout_contains_n("test foo ... bench: [..]", 2)
+ .run();
+
+ p.root().move_into_the_past();
+ p.cargo("bench -v")
+ .with_stderr(
+ "\
+[FRESH] bar v0.0.1 ([CWD]/bar)
+[FRESH] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] `[..]target/release/deps/foo-[..][EXE] --bench`
+[RUNNING] `[..]target/release/deps/bench-[..][EXE] --bench`",
+ )
+ .with_stdout_contains_n("test foo ... bench: [..]", 2)
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_twice_with_build_cmd() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.0.1"
+ authors = []
+ build = "build.rs"
+ "#,
+ )
+ .file("build.rs", "fn main() {}")
+ .file(
+ "src/lib.rs",
+ "
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ #[bench]
+ fn foo(_b: &mut test::Bencher) {}
+ ",
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([CWD])
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])",
+ )
+ .with_stdout_contains("test foo ... bench: [..]")
+ .run();
+
+ p.cargo("bench")
+ .with_stderr(
+ "[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] [..] (target/release/deps/foo-[..][EXE])",
+ )
+ .with_stdout_contains("test foo ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_with_examples() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "6.6.6"
+ authors = []
+
+ [[example]]
+ name = "teste1"
+
+ [[bench]]
+ name = "testb1"
+ "#,
+ )
+ .file(
+ "src/lib.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ #[cfg(test)]
+ use test::Bencher;
+
+ pub fn f1() {
+ println!("f1");
+ }
+
+ pub fn f2() {}
+
+ #[bench]
+ fn bench_bench1(_b: &mut Bencher) {
+ f2();
+ }
+ "#,
+ )
+ .file(
+ "benches/testb1.rs",
+ "
+ #![feature(test)]
+ extern crate foo;
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_bench2(_b: &mut Bencher) {
+ foo::f2();
+ }
+ ",
+ )
+ .file(
+ "examples/teste1.rs",
+ r#"
+ extern crate foo;
+
+ fn main() {
+ println!("example1");
+ foo::f1();
+ }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench -v")
+ .with_stderr(
+ "\
+[COMPILING] foo v6.6.6 ([CWD])
+[RUNNING] `rustc [..]`
+[RUNNING] `rustc [..]`
+[RUNNING] `rustc [..]`
+[FINISHED] bench [optimized] target(s) in [..]
+[RUNNING] `[CWD]/target/release/deps/foo-[..][EXE] --bench`
+[RUNNING] `[CWD]/target/release/deps/testb1-[..][EXE] --bench`",
+ )
+ .with_stdout_contains("test bench_bench1 ... bench: [..]")
+ .with_stdout_contains("test bench_bench2 ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn test_a_bench() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ authors = []
+ version = "0.1.0"
+
+ [lib]
+ name = "foo"
+ test = false
+ doctest = false
+
+ [[bench]]
+ name = "b"
+ test = true
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .file("benches/b.rs", "#[test] fn foo() {}")
+ .build();
+
+ p.cargo("test")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.1.0 ([..])
+[FINISHED] test [unoptimized + debuginfo] target(s) in [..]
+[RUNNING] [..] (target/debug/deps/b-[..][EXE])",
+ )
+ .with_stdout_contains("test foo ... ok")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn test_bench_no_run() {
+ let p = project()
+ .file("src/lib.rs", "")
+ .file(
+ "benches/bbaz.rs",
+ r#"
+ #![feature(test)]
+
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_baz(_: &mut Bencher) {}
+ "#,
+ )
+ .build();
+
+ p.cargo("bench --no-run")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([..])
+[FINISHED] bench [optimized] target(s) in [..]
+[EXECUTABLE] benches src/lib.rs (target/release/deps/foo-[..][EXE])
+[EXECUTABLE] benches/bbaz.rs (target/release/deps/bbaz-[..][EXE])
+",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn test_bench_no_run_emit_json() {
+ let p = project()
+ .file("src/lib.rs", "")
+ .file(
+ "benches/bbaz.rs",
+ r#"
+ #![feature(test)]
+
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_baz(_: &mut Bencher) {}
+ "#,
+ )
+ .build();
+
+ p.cargo("bench --no-run --message-format json")
+ .with_stderr(
+ "\
+[COMPILING] foo v0.0.1 ([..])
+[FINISHED] bench [optimized] target(s) in [..]
+",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn test_bench_no_fail_fast() {
+ let p = project()
+ .file("Cargo.toml", &basic_bin_manifest("foo"))
+ .file(
+ "src/main.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+ fn hello() -> &'static str {
+ "hello"
+ }
+
+ pub fn main() {
+ println!("{}", hello())
+ }
+
+ #[bench]
+ fn bench_hello(_b: &mut test::Bencher) {
+ assert_eq!(hello(), "hello")
+ }
+
+ #[bench]
+ fn bench_nope(_b: &mut test::Bencher) {
+ assert_eq!("nope", hello())
+ }
+ "#,
+ )
+ .file(
+ "benches/b1.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ #[bench]
+ fn b1_fail(_b: &mut test::Bencher) { assert_eq!(1, 2); }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench --no-fail-fast -- --test-threads=1")
+ .with_status(101)
+ .with_stderr(
+ "\
+[COMPILING] foo v0.5.0 [..]
+[FINISHED] bench [..]
+[RUNNING] unittests src/main.rs (target/release/deps/foo[..])
+[ERROR] bench failed, to rerun pass `--bin foo`
+[RUNNING] benches/b1.rs (target/release/deps/b1[..])
+[ERROR] bench failed, to rerun pass `--bench b1`
+[ERROR] 2 targets failed:
+ `--bin foo`
+ `--bench b1`
+",
+ )
+ .with_stdout_contains("running 2 tests")
+ .with_stdout_contains("test bench_hello [..]")
+ .with_stdout_contains("test bench_nope [..]")
+ .with_stdout_contains("test b1_fail [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn test_bench_multiple_packages() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ authors = []
+ version = "0.1.0"
+
+ [dependencies.bar]
+ path = "../bar"
+
+ [dependencies.baz]
+ path = "../baz"
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .build();
+
+ let _bar = project()
+ .at("bar")
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "bar"
+ authors = []
+ version = "0.1.0"
+
+ [[bench]]
+ name = "bbar"
+ test = true
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .file(
+ "benches/bbar.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_bar(_b: &mut Bencher) {}
+ "#,
+ )
+ .build();
+
+ let _baz = project()
+ .at("baz")
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "baz"
+ authors = []
+ version = "0.1.0"
+
+ [[bench]]
+ name = "bbaz"
+ test = true
+ "#,
+ )
+ .file("src/lib.rs", "")
+ .file(
+ "benches/bbaz.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_baz(_b: &mut Bencher) {}
+ "#,
+ )
+ .build();
+
+ p.cargo("bench -p bar -p baz")
+ .with_stderr_contains("[RUNNING] [..] (target/release/deps/bbaz-[..][EXE])")
+ .with_stdout_contains("test bench_baz ... bench: [..]")
+ .with_stderr_contains("[RUNNING] [..] (target/release/deps/bbar-[..][EXE])")
+ .with_stdout_contains("test bench_bar ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_all_workspace() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+
+ [dependencies]
+ bar = { path = "bar" }
+
+ [workspace]
+ "#,
+ )
+ .file("src/main.rs", "fn main() {}")
+ .file(
+ "benches/foo.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_foo(_: &mut Bencher) -> () { () }
+ "#,
+ )
+ .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
+ .file("bar/src/lib.rs", "pub fn bar() {}")
+ .file(
+ "bar/benches/bar.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_bar(_: &mut Bencher) -> () { () }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench --workspace")
+ .with_stderr_contains("[RUNNING] [..] (target/release/deps/bar-[..][EXE])")
+ .with_stdout_contains("test bench_bar ... bench: [..]")
+ .with_stderr_contains("[RUNNING] [..] (target/release/deps/foo-[..][EXE])")
+ .with_stdout_contains("test bench_foo ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_all_exclude() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+
+ [workspace]
+ members = ["bar", "baz"]
+ "#,
+ )
+ .file("src/main.rs", "fn main() {}")
+ .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
+ .file(
+ "bar/src/lib.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+
+ #[bench]
+ pub fn bar(b: &mut test::Bencher) {
+ b.iter(|| {});
+ }
+ "#,
+ )
+ .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
+ .file(
+ "baz/src/lib.rs",
+ "#[test] pub fn baz() { break_the_build(); }",
+ )
+ .build();
+
+ p.cargo("bench --workspace --exclude baz")
+ .with_stdout_contains(
+ "\
+running 1 test
+test bar ... bench: [..] ns/iter (+/- [..])",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_all_exclude_glob() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+
+ [workspace]
+ members = ["bar", "baz"]
+ "#,
+ )
+ .file("src/main.rs", "fn main() {}")
+ .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
+ .file(
+ "bar/src/lib.rs",
+ r#"
+ #![feature(test)]
+ #[cfg(test)]
+ extern crate test;
+
+ #[bench]
+ pub fn bar(b: &mut test::Bencher) {
+ b.iter(|| {});
+ }
+ "#,
+ )
+ .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
+ .file(
+ "baz/src/lib.rs",
+ "#[test] pub fn baz() { break_the_build(); }",
+ )
+ .build();
+
+ p.cargo("bench --workspace --exclude '*z'")
+ .with_stdout_contains(
+ "\
+running 1 test
+test bar ... bench: [..] ns/iter (+/- [..])",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_all_virtual_manifest() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [workspace]
+ members = ["bar", "baz"]
+ "#,
+ )
+ .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
+ .file("bar/src/lib.rs", "pub fn bar() {}")
+ .file(
+ "bar/benches/bar.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_bar(_: &mut Bencher) -> () { () }
+ "#,
+ )
+ .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
+ .file("baz/src/lib.rs", "pub fn baz() {}")
+ .file(
+ "baz/benches/baz.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_baz(_: &mut Bencher) -> () { () }
+ "#,
+ )
+ .build();
+
+ // The order in which bar and baz are built is not guaranteed
+ p.cargo("bench --workspace")
+ .with_stderr_contains("[RUNNING] [..] (target/release/deps/baz-[..][EXE])")
+ .with_stdout_contains("test bench_baz ... bench: [..]")
+ .with_stderr_contains("[RUNNING] [..] (target/release/deps/bar-[..][EXE])")
+ .with_stdout_contains("test bench_bar ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_virtual_manifest_glob() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [workspace]
+ members = ["bar", "baz"]
+ "#,
+ )
+ .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
+ .file("bar/src/lib.rs", "pub fn bar() { break_the_build(); }")
+ .file(
+ "bar/benches/bar.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_bar(_: &mut Bencher) -> () { break_the_build(); }
+ "#,
+ )
+ .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
+ .file("baz/src/lib.rs", "pub fn baz() {}")
+ .file(
+ "baz/benches/baz.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_baz(_: &mut Bencher) -> () { () }
+ "#,
+ )
+ .build();
+
+ // The order in which bar and baz are built is not guaranteed
+ p.cargo("bench -p '*z'")
+ .with_stderr_contains("[RUNNING] [..] (target/release/deps/baz-[..][EXE])")
+ .with_stdout_contains("test bench_baz ... bench: [..]")
+ .with_stderr_does_not_contain("[RUNNING] [..] (target/release/deps/bar-[..][EXE])")
+ .with_stdout_does_not_contain("test bench_bar ... bench: [..]")
+ .run();
+}
+
+// https://github.com/rust-lang/cargo/issues/4287
+#[cargo_test(nightly, reason = "bench")]
+fn legacy_bench_name() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [package]
+ name = "foo"
+ version = "0.1.0"
+
+ [[bench]]
+ name = "bench"
+ "#,
+ )
+ .file("src/lib.rs", "pub fn foo() {}")
+ .file(
+ "src/bench.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_foo(_: &mut Bencher) -> () { () }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench")
+ .with_stderr_contains(
+ "\
+[WARNING] path `[..]src/bench.rs` was erroneously implicitly accepted for benchmark `bench`,
+please set bench.path in Cargo.toml",
+ )
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn bench_virtual_manifest_all_implied() {
+ let p = project()
+ .file(
+ "Cargo.toml",
+ r#"
+ [workspace]
+ members = ["bar", "baz"]
+ "#,
+ )
+ .file("bar/Cargo.toml", &basic_manifest("bar", "0.1.0"))
+ .file("bar/src/lib.rs", "pub fn foo() {}")
+ .file(
+ "bar/benches/bar.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ use test::Bencher;
+ #[bench]
+ fn bench_bar(_: &mut Bencher) -> () { () }
+ "#,
+ )
+ .file("baz/Cargo.toml", &basic_manifest("baz", "0.1.0"))
+ .file("baz/src/lib.rs", "pub fn baz() {}")
+ .file(
+ "baz/benches/baz.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+ use test::Bencher;
+ #[bench]
+ fn bench_baz(_: &mut Bencher) -> () { () }
+ "#,
+ )
+ .build();
+
+ // The order in which bar and baz are built is not guaranteed
+
+ p.cargo("bench")
+ .with_stderr_contains("[RUNNING] [..] (target/release/deps/baz-[..][EXE])")
+ .with_stdout_contains("test bench_baz ... bench: [..]")
+ .with_stderr_contains("[RUNNING] [..] (target/release/deps/bar-[..][EXE])")
+ .with_stdout_contains("test bench_bar ... bench: [..]")
+ .run();
+}
+
+#[cargo_test(nightly, reason = "bench")]
+fn json_artifact_includes_executable_for_benchmark() {
+ let p = project()
+ .file(
+ "benches/benchmark.rs",
+ r#"
+ #![feature(test)]
+ extern crate test;
+
+ use test::Bencher;
+
+ #[bench]
+ fn bench_foo(_: &mut Bencher) -> () { () }
+ "#,
+ )
+ .build();
+
+ p.cargo("bench --no-run --message-format=json")
+ .with_json(
+ r#"
+ {
+ "executable": "[..]/foo/target/release/deps/benchmark-[..][EXE]",
+ "features": [],
+ "filenames": "{...}",
+ "fresh": false,
+ "package_id": "foo 0.0.1 ([..])",
+ "manifest_path": "[..]",
+ "profile": "{...}",
+ "reason": "compiler-artifact",
+ "target": {
+ "crate_types": [ "bin" ],
+ "kind": [ "bench" ],
+ "doc": false,
+ "doctest": false,
+ "edition": "2015",
+ "name": "benchmark",
+ "src_path": "[..]/foo/benches/benchmark.rs",
+ "test": false
+ }
+ }
+
+ {"reason": "build-finished", "success": true}
+ "#,
+ )
+ .run();
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-31 04:15:22 +0000