1 files changed, 231 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/multitarget.rs b/src/tools/cargo/tests/testsuite/multitarget.rs
new file mode 100644
index 000000000..5f3543f01
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/multitarget.rs
@@ -0,0 +1,231 @@
+//! Tests for multiple `--target` flags to subcommands
+
+use cargo_test_support::{basic_manifest, cross_compile, project, rustc_host};
+
+#[cargo_test]
+fn simple_build() {
+    if cross_compile::disabled() {
+        return;
+    }
+    let t1 = cross_compile::alternate();
+    let t2 = rustc_host();
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("build")
+        .arg("--target")
+        .arg(&t1)
+        .arg("--target")
+        .arg(&t2)
+        .run();
+
+    assert!(p.target_bin(t1, "foo").is_file());
+    assert!(p.target_bin(t2, "foo").is_file());
+}
+
+#[cargo_test]
+fn simple_build_with_config() {
+    if cross_compile::disabled() {
+        return;
+    }
+    let t1 = cross_compile::alternate();
+    let t2 = rustc_host();
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/main.rs", "fn main() {}")
+        .file(
+            ".cargo/config.toml",
+            &format!(
+                r#"
+                    [build]
+                    target = ["{t1}", "{t2}"]
+                "#
+            ),
+        )
+        .build();
+
+    p.cargo("build").run();
+
+    assert!(p.target_bin(t1, "foo").is_file());
+    assert!(p.target_bin(t2, "foo").is_file());
+}
+
+#[cargo_test]
+fn simple_test() {
+    if !cross_compile::can_run_on_host() {
+        return;
+    }
+    let t1 = cross_compile::alternate();
+    let t2 = rustc_host();
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/lib.rs", "fn main() {}")
+        .build();
+
+    p.cargo("test")
+        .arg("--target")
+        .arg(&t1)
+        .arg("--target")
+        .arg(&t2)
+        .with_stderr_contains(&format!("[RUNNING] [..]{}[..]", t1))
+        .with_stderr_contains(&format!("[RUNNING] [..]{}[..]", t2))
+        .run();
+}
+
+#[cargo_test]
+fn simple_run() {
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("run --target a --target b")
+        .with_stderr("[ERROR] only one `--target` argument is supported")
+        .with_status(101)
+        .run();
+}
+
+#[cargo_test]
+fn simple_doc() {
+    if cross_compile::disabled() {
+        return;
+    }
+    let t1 = cross_compile::alternate();
+    let t2 = rustc_host();
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/lib.rs", "//! empty lib")
+        .build();
+
+    p.cargo("doc")
+        .arg("--target")
+        .arg(&t1)
+        .arg("--target")
+        .arg(&t2)
+        .run();
+
+    assert!(p.build_dir().join(&t1).join("doc/foo/index.html").is_file());
+    assert!(p.build_dir().join(&t2).join("doc/foo/index.html").is_file());
+}
+
+#[cargo_test]
+fn simple_check() {
+    if cross_compile::disabled() {
+        return;
+    }
+    let t1 = cross_compile::alternate();
+    let t2 = rustc_host();
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("check")
+        .arg("--target")
+        .arg(&t1)
+        .arg("--target")
+        .arg(&t2)
+        .run();
+}
+
+#[cargo_test]
+fn same_value_twice() {
+    if cross_compile::disabled() {
+        return;
+    }
+    let t = rustc_host();
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("build")
+        .arg("--target")
+        .arg(&t)
+        .arg("--target")
+        .arg(&t)
+        .run();
+
+    assert!(p.target_bin(t, "foo").is_file());
+}
+
+#[cargo_test]
+fn same_value_twice_with_config() {
+    if cross_compile::disabled() {
+        return;
+    }
+    let t = rustc_host();
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/main.rs", "fn main() {}")
+        .file(
+            ".cargo/config.toml",
+            &format!(
+                r#"
+                    [build]
+                    target = ["{t}", "{t}"]
+                "#
+            ),
+        )
+        .build();
+
+    p.cargo("build").run();
+
+    assert!(p.target_bin(t, "foo").is_file());
+}
+
+#[cargo_test]
+fn works_with_config_in_both_string_or_list() {
+    if cross_compile::disabled() {
+        return;
+    }
+    let t = rustc_host();
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/main.rs", "fn main() {}")
+        .file(
+            ".cargo/config.toml",
+            &format!(
+                r#"
+                    [build]
+                    target = "{t}"
+                "#
+            ),
+        )
+        .build();
+
+    p.cargo("build").run();
+
+    assert!(p.target_bin(t, "foo").is_file());
+
+    p.cargo("clean").run();
+
+    p.change_file(
+        ".cargo/config.toml",
+        &format!(
+            r#"
+                [build]
+                target = ["{t}"]
+            "#
+        ),
+    );
+
+    p.cargo("build").run();
+
+    assert!(p.target_bin(t, "foo").is_file());
+}
+
+#[cargo_test]
+fn works_with_env() {
+    let t = rustc_host();
+    let p = project()
+        .file("Cargo.toml", &basic_manifest("foo", "1.0.0"))
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("build").env("CARGO_BUILD_TARGET", t).run();
+
+    assert!(p.target_bin(t, "foo").is_file());
+}