1 | use super::AutoCfg; |
2 | use std::env; |
3 | use std::path::Path; |
4 | |
5 | impl AutoCfg { |
6 | fn core_std(&self, path: &str) -> String { |
7 | let krate = if self.no_std { "core" } else { "std" }; |
8 | format!("{}::{}" , krate, path) |
9 | } |
10 | |
11 | fn assert_std(&self, probe_result: bool) { |
12 | assert_eq!(!self.no_std, probe_result); |
13 | } |
14 | |
15 | fn assert_min(&self, major: usize, minor: usize, probe_result: bool) { |
16 | assert_eq!(self.probe_rustc_version(major, minor), probe_result); |
17 | } |
18 | |
19 | fn for_test() -> Result<Self, super::error::Error> { |
20 | match env::var_os("TESTS_TARGET_DIR" ) { |
21 | Some(d) => Self::with_dir(d), |
22 | None => Self::with_dir("target" ), |
23 | } |
24 | } |
25 | } |
26 | |
27 | #[test] |
28 | fn autocfg_version() { |
29 | let ac = AutoCfg::for_test().unwrap(); |
30 | println!("version: {:?}" , ac.rustc_version); |
31 | assert!(ac.probe_rustc_version(1, 0)); |
32 | } |
33 | |
34 | #[test] |
35 | fn version_cmp() { |
36 | use super::version::Version; |
37 | let v123 = Version::new(1, 2, 3); |
38 | |
39 | assert!(Version::new(1, 0, 0) < v123); |
40 | assert!(Version::new(1, 2, 2) < v123); |
41 | assert!(Version::new(1, 2, 3) == v123); |
42 | assert!(Version::new(1, 2, 4) > v123); |
43 | assert!(Version::new(1, 10, 0) > v123); |
44 | assert!(Version::new(2, 0, 0) > v123); |
45 | } |
46 | |
47 | #[test] |
48 | fn probe_add() { |
49 | let ac = AutoCfg::for_test().unwrap(); |
50 | let add = ac.core_std("ops::Add" ); |
51 | let add_rhs = add.clone() + "<i32>" ; |
52 | let add_rhs_output = add.clone() + "<i32, Output = i32>" ; |
53 | let dyn_add_rhs_output = "dyn " .to_string() + &*add_rhs_output; |
54 | assert!(ac.probe_path(&add)); |
55 | assert!(ac.probe_trait(&add)); |
56 | assert!(ac.probe_trait(&add_rhs)); |
57 | assert!(ac.probe_trait(&add_rhs_output)); |
58 | ac.assert_min(1, 27, ac.probe_type(&dyn_add_rhs_output)); |
59 | } |
60 | |
61 | #[test] |
62 | fn probe_as_ref() { |
63 | let ac = AutoCfg::for_test().unwrap(); |
64 | let as_ref = ac.core_std("convert::AsRef" ); |
65 | let as_ref_str = as_ref.clone() + "<str>" ; |
66 | let dyn_as_ref_str = "dyn " .to_string() + &*as_ref_str; |
67 | assert!(ac.probe_path(&as_ref)); |
68 | assert!(ac.probe_trait(&as_ref_str)); |
69 | assert!(ac.probe_type(&as_ref_str)); |
70 | ac.assert_min(1, 27, ac.probe_type(&dyn_as_ref_str)); |
71 | } |
72 | |
73 | #[test] |
74 | fn probe_i128() { |
75 | let ac = AutoCfg::for_test().unwrap(); |
76 | let i128_path = ac.core_std("i128" ); |
77 | ac.assert_min(1, 26, ac.probe_path(&i128_path)); |
78 | ac.assert_min(1, 26, ac.probe_type("i128" )); |
79 | } |
80 | |
81 | #[test] |
82 | fn probe_sum() { |
83 | let ac = AutoCfg::for_test().unwrap(); |
84 | let sum = ac.core_std("iter::Sum" ); |
85 | let sum_i32 = sum.clone() + "<i32>" ; |
86 | let dyn_sum_i32 = "dyn " .to_string() + &*sum_i32; |
87 | ac.assert_min(1, 12, ac.probe_path(&sum)); |
88 | ac.assert_min(1, 12, ac.probe_trait(&sum)); |
89 | ac.assert_min(1, 12, ac.probe_trait(&sum_i32)); |
90 | ac.assert_min(1, 12, ac.probe_type(&sum_i32)); |
91 | ac.assert_min(1, 27, ac.probe_type(&dyn_sum_i32)); |
92 | } |
93 | |
94 | #[test] |
95 | fn probe_std() { |
96 | let ac = AutoCfg::for_test().unwrap(); |
97 | ac.assert_std(ac.probe_sysroot_crate("std" )); |
98 | } |
99 | |
100 | #[test] |
101 | fn probe_alloc() { |
102 | let ac = AutoCfg::for_test().unwrap(); |
103 | ac.assert_min(1, 36, ac.probe_sysroot_crate("alloc" )); |
104 | } |
105 | |
106 | #[test] |
107 | fn probe_bad_sysroot_crate() { |
108 | let ac = AutoCfg::for_test().unwrap(); |
109 | assert!(!ac.probe_sysroot_crate("doesnt_exist" )); |
110 | } |
111 | |
112 | #[test] |
113 | fn probe_no_std() { |
114 | let ac = AutoCfg::for_test().unwrap(); |
115 | assert!(ac.probe_type("i32" )); |
116 | assert!(ac.probe_type("[i32]" )); |
117 | ac.assert_std(ac.probe_type("Vec<i32>" )); |
118 | } |
119 | |
120 | #[test] |
121 | fn probe_expression() { |
122 | let ac = AutoCfg::for_test().unwrap(); |
123 | assert!(ac.probe_expression(r#""test".trim_left()"# )); |
124 | ac.assert_min(1, 30, ac.probe_expression(r#""test".trim_start()"# )); |
125 | ac.assert_std(ac.probe_expression("[1, 2, 3].to_vec()" )); |
126 | } |
127 | |
128 | #[test] |
129 | fn probe_constant() { |
130 | let ac = AutoCfg::for_test().unwrap(); |
131 | assert!(ac.probe_constant("1 + 2 + 3" )); |
132 | ac.assert_min(1, 33, ac.probe_constant("{ let x = 1 + 2 + 3; x * x }" )); |
133 | ac.assert_min(1, 39, ac.probe_constant(r#""test".len()"# )); |
134 | } |
135 | |
136 | #[test] |
137 | fn dir_does_not_contain_target() { |
138 | assert!(!super::dir_contains_target( |
139 | &Some("x86_64-unknown-linux-gnu" .into()), |
140 | Path::new("/project/target/debug/build/project-ea75983148559682/out" ), |
141 | None, |
142 | )); |
143 | } |
144 | |
145 | #[test] |
146 | fn dir_does_contain_target() { |
147 | assert!(super::dir_contains_target( |
148 | &Some("x86_64-unknown-linux-gnu" .into()), |
149 | Path::new( |
150 | "/project/target/x86_64-unknown-linux-gnu/debug/build/project-0147aca016480b9d/out" |
151 | ), |
152 | None, |
153 | )); |
154 | } |
155 | |
156 | #[test] |
157 | fn dir_does_not_contain_target_with_custom_target_dir() { |
158 | assert!(!super::dir_contains_target( |
159 | &Some("x86_64-unknown-linux-gnu" .into()), |
160 | Path::new("/project/custom/debug/build/project-ea75983148559682/out" ), |
161 | Some("custom" .into()), |
162 | )); |
163 | } |
164 | |
165 | #[test] |
166 | fn dir_does_contain_target_with_custom_target_dir() { |
167 | assert!(super::dir_contains_target( |
168 | &Some("x86_64-unknown-linux-gnu" .into()), |
169 | Path::new( |
170 | "/project/custom/x86_64-unknown-linux-gnu/debug/build/project-0147aca016480b9d/out" |
171 | ), |
172 | Some("custom" .into()), |
173 | )); |
174 | } |
175 | |