diff options
Diffstat (limited to 'vendor/autocfg/src/tests.rs')
| -rw-r--r-- | vendor/autocfg/src/tests.rs | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/vendor/autocfg/src/tests.rs b/vendor/autocfg/src/tests.rs new file mode 100644 index 000000000..d3b1fbb9e --- /dev/null +++ b/vendor/autocfg/src/tests.rs @@ -0,0 +1,174 @@ +use super::AutoCfg; +use std::env; +use std::path::Path; + +impl AutoCfg { + fn core_std(&self, path: &str) -> String { + let krate = if self.no_std { "core" } else { "std" }; + format!("{}::{}", krate, path) + } + + fn assert_std(&self, probe_result: bool) { + assert_eq!(!self.no_std, probe_result); + } + + fn assert_min(&self, major: usize, minor: usize, probe_result: bool) { + assert_eq!(self.probe_rustc_version(major, minor), probe_result); + } + + fn for_test() -> Result<Self, super::error::Error> { + match env::var_os("TESTS_TARGET_DIR") { + Some(d) => Self::with_dir(d), + None => Self::with_dir("target"), + } + } +} + +#[test] +fn autocfg_version() { + let ac = AutoCfg::for_test().unwrap(); + println!("version: {:?}", ac.rustc_version); + assert!(ac.probe_rustc_version(1, 0)); +} + +#[test] +fn version_cmp() { + use super::version::Version; + let v123 = Version::new(1, 2, 3); + + assert!(Version::new(1, 0, 0) < v123); + assert!(Version::new(1, 2, 2) < v123); + assert!(Version::new(1, 2, 3) == v123); + assert!(Version::new(1, 2, 4) > v123); + assert!(Version::new(1, 10, 0) > v123); + assert!(Version::new(2, 0, 0) > v123); +} + +#[test] +fn probe_add() { + let ac = AutoCfg::for_test().unwrap(); + let add = ac.core_std("ops::Add"); + let add_rhs = add.clone() + "<i32>"; + let add_rhs_output = add.clone() + "<i32, Output = i32>"; + let dyn_add_rhs_output = "dyn ".to_string() + &*add_rhs_output; + assert!(ac.probe_path(&add)); + assert!(ac.probe_trait(&add)); + assert!(ac.probe_trait(&add_rhs)); + assert!(ac.probe_trait(&add_rhs_output)); + ac.assert_min(1, 27, ac.probe_type(&dyn_add_rhs_output)); +} + +#[test] +fn probe_as_ref() { + let ac = AutoCfg::for_test().unwrap(); + let as_ref = ac.core_std("convert::AsRef"); + let as_ref_str = as_ref.clone() + "<str>"; + let dyn_as_ref_str = "dyn ".to_string() + &*as_ref_str; + assert!(ac.probe_path(&as_ref)); + assert!(ac.probe_trait(&as_ref_str)); + assert!(ac.probe_type(&as_ref_str)); + ac.assert_min(1, 27, ac.probe_type(&dyn_as_ref_str)); +} + +#[test] +fn probe_i128() { + let ac = AutoCfg::for_test().unwrap(); + let i128_path = ac.core_std("i128"); + ac.assert_min(1, 26, ac.probe_path(&i128_path)); + ac.assert_min(1, 26, ac.probe_type("i128")); +} + +#[test] +fn probe_sum() { + let ac = AutoCfg::for_test().unwrap(); + let sum = ac.core_std("iter::Sum"); + let sum_i32 = sum.clone() + "<i32>"; + let dyn_sum_i32 = "dyn ".to_string() + &*sum_i32; + ac.assert_min(1, 12, ac.probe_path(&sum)); + ac.assert_min(1, 12, ac.probe_trait(&sum)); + ac.assert_min(1, 12, ac.probe_trait(&sum_i32)); + ac.assert_min(1, 12, ac.probe_type(&sum_i32)); + ac.assert_min(1, 27, ac.probe_type(&dyn_sum_i32)); +} + +#[test] +fn probe_std() { + let ac = AutoCfg::for_test().unwrap(); + ac.assert_std(ac.probe_sysroot_crate("std")); +} + +#[test] +fn probe_alloc() { + let ac = AutoCfg::for_test().unwrap(); + ac.assert_min(1, 36, ac.probe_sysroot_crate("alloc")); +} + +#[test] +fn probe_bad_sysroot_crate() { + let ac = AutoCfg::for_test().unwrap(); + assert!(!ac.probe_sysroot_crate("doesnt_exist")); +} + +#[test] +fn probe_no_std() { + let ac = AutoCfg::for_test().unwrap(); + assert!(ac.probe_type("i32")); + assert!(ac.probe_type("[i32]")); + ac.assert_std(ac.probe_type("Vec<i32>")); +} + +#[test] +fn probe_expression() { + let ac = AutoCfg::for_test().unwrap(); + assert!(ac.probe_expression(r#""test".trim_left()"#)); + ac.assert_min(1, 30, ac.probe_expression(r#""test".trim_start()"#)); + ac.assert_std(ac.probe_expression("[1, 2, 3].to_vec()")); +} + +#[test] +fn probe_constant() { + let ac = AutoCfg::for_test().unwrap(); + assert!(ac.probe_constant("1 + 2 + 3")); + ac.assert_min(1, 33, ac.probe_constant("{ let x = 1 + 2 + 3; x * x }")); + ac.assert_min(1, 39, ac.probe_constant(r#""test".len()"#)); +} + +#[test] +fn dir_does_not_contain_target() { + assert!(!super::dir_contains_target( + &Some("x86_64-unknown-linux-gnu".into()), + Path::new("/project/target/debug/build/project-ea75983148559682/out"), + None, + )); +} + +#[test] +fn dir_does_contain_target() { + assert!(super::dir_contains_target( + &Some("x86_64-unknown-linux-gnu".into()), + Path::new( + "/project/target/x86_64-unknown-linux-gnu/debug/build/project-0147aca016480b9d/out" + ), + None, + )); +} + +#[test] +fn dir_does_not_contain_target_with_custom_target_dir() { + assert!(!super::dir_contains_target( + &Some("x86_64-unknown-linux-gnu".into()), + Path::new("/project/custom/debug/build/project-ea75983148559682/out"), + Some("custom".into()), + )); +} + +#[test] +fn dir_does_contain_target_with_custom_target_dir() { + assert!(super::dir_contains_target( + &Some("x86_64-unknown-linux-gnu".into()), + Path::new( + "/project/custom/x86_64-unknown-linux-gnu/debug/build/project-0147aca016480b9d/out" + ), + Some("custom".into()), + )); +} |