1 files changed, 194 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/rust_version.rs b/src/tools/cargo/tests/testsuite/rust_version.rs
new file mode 100644
index 000000000..91711cf1a
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/rust_version.rs
@@ -0,0 +1,194 @@
+//! Tests for targets with `rust-version`.
+
+use cargo_test_support::{project, registry::Package};
+
+#[cargo_test]
+fn rust_version_satisfied() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.0.1"
+            authors = []
+            rust-version = "1.1.1"
+            [[bin]]
+            name = "foo"
+        "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("check").run();
+    p.cargo("check --ignore-rust-version").run();
+}
+
+#[cargo_test]
+fn rust_version_bad_caret() {
+    project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.0.1"
+            authors = []
+            rust-version = "^1.43"
+            [[bin]]
+            name = "foo"
+        "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build()
+        .cargo("check")
+        .with_status(101)
+        .with_stderr(
+            "error: failed to parse manifest at `[..]`\n\n\
+             Caused by:\n  `rust-version` must be a value like \"1.32\"",
+        )
+        .run();
+}
+
+#[cargo_test]
+fn rust_version_bad_pre_release() {
+    project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.0.1"
+            authors = []
+            rust-version = "1.43-beta.1"
+            [[bin]]
+            name = "foo"
+        "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build()
+        .cargo("check")
+        .with_status(101)
+        .with_stderr(
+            "error: failed to parse manifest at `[..]`\n\n\
+             Caused by:\n  `rust-version` must be a value like \"1.32\"",
+        )
+        .run();
+}
+
+#[cargo_test]
+fn rust_version_bad_nonsense() {
+    project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.0.1"
+            authors = []
+            rust-version = "foodaddle"
+            [[bin]]
+            name = "foo"
+        "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build()
+        .cargo("check")
+        .with_status(101)
+        .with_stderr(
+            "error: failed to parse manifest at `[..]`\n\n\
+             Caused by:\n  `rust-version` must be a value like \"1.32\"",
+        )
+        .run();
+}
+
+#[cargo_test]
+fn rust_version_too_high() {
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.0.1"
+            authors = []
+            rust-version = "1.9876.0"
+            [[bin]]
+            name = "foo"
+        "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("check")
+        .with_status(101)
+        .with_stderr(
+            "error: package `foo v0.0.1 ([..])` cannot be built because it requires \
+             rustc 1.9876.0 or newer, while the currently active rustc version is [..]\n\n",
+        )
+        .run();
+    p.cargo("check --ignore-rust-version").run();
+}
+
+#[cargo_test]
+fn rust_version_dependency_fails() {
+    Package::new("bar", "0.0.1")
+        .rust_version("1.2345.0")
+        .file("src/lib.rs", "fn other_stuff() {}")
+        .publish();
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.0.1"
+            authors = []
+            [dependencies]
+            bar = "0.0.1"
+        "#,
+        )
+        .file("src/main.rs", "fn main(){}")
+        .build();
+
+    p.cargo("check")
+        .with_status(101)
+        .with_stderr(
+            "    Updating `[..]` index\n \
+             Downloading crates ...\n  \
+             Downloaded bar v0.0.1 (registry `[..]`)\n\
+             error: package `bar v0.0.1` cannot be built because it requires \
+             rustc 1.2345.0 or newer, while the currently active rustc version is [..]\n\
+             Either upgrade to rustc 1.2345.0 or newer, or use\n\
+             cargo update -p bar@0.0.1 --precise ver\n\
+             where `ver` is the latest version of `bar` supporting rustc [..]",
+        )
+        .run();
+    p.cargo("check --ignore-rust-version").run();
+}
+
+#[cargo_test]
+fn rust_version_older_than_edition() {
+    project()
+        .file(
+            "Cargo.toml",
+            r#"
+            [package]
+            name = "foo"
+            version = "0.0.1"
+            authors = []
+            rust-version = "1.1"
+            edition = "2018"
+            [[bin]]
+            name = "foo"
+        "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build()
+        .cargo("check")
+        .with_status(101)
+        .with_stderr_contains("  rust-version 1.1 is older than first version (1.31.0) required by the specified edition (2018)",
+        )
+        .run();
+}