test(new): Verify ../path behavior with workspaces

tests/testsuite/cargo_new/ignore_current_dir_workspace/in/workspace/Cargo.toml

@@ -0,0 +1,8 @@
+[workspace]
+
+[package]
+name = "foo"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

tests/testsuite/cargo_new/ignore_current_dir_workspace/in/workspace/src/main.rs

@@ -0,0 +1 @@
+fn main() {}

tests/testsuite/cargo_new/ignore_current_dir_workspace/mod.rs

@@ -0,0 +1,25 @@
+use cargo_test_support::compare::assert_ui;
+use cargo_test_support::current_dir;
+use cargo_test_support::file;
+use cargo_test_support::prelude::*;
+use cargo_test_support::str;
+use cargo_test_support::CargoCommandExt;
+use cargo_test_support::Project;
+
+#[cargo_test]
+fn case() {
+    let project = Project::from_template(current_dir!().join("in"));
+    let project_root = project.root();
+    let cwd = &project_root.join("workspace");
+
+    snapbox::cmd::Command::cargo_ui()
+        .arg("new")
+        .args(["../out-of-workspace", "--lib"])
+        .current_dir(cwd)
+        .assert()
+        .success()
+        .stdout_eq(str![""])
+        .stderr_eq(file!["stderr.term.svg"]);
+
+    assert_ui().subset_matches(current_dir!().join("out"), &project_root);
+}

tests/testsuite/cargo_new/ignore_current_dir_workspace/out/out-of-workspace/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "out-of-workspace"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

tests/testsuite/cargo_new/ignore_current_dir_workspace/out/out-of-workspace/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}

tests/testsuite/cargo_new/ignore_current_dir_workspace/out/workspace/Cargo.toml

@@ -0,0 +1,9 @@
+[workspace]
+members = ["../out-of-workspace"]
+
+[package]
+name = "foo"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]

tests/testsuite/cargo_new/ignore_current_dir_workspace/out/workspace/src/main.rs

@@ -0,0 +1 @@
+fn main() {}

tests/testsuite/cargo_new/ignore_current_dir_workspace/stderr.term.svg

@@ -0,0 +1,39 @@
+<svg width="1902px" height="146px" xmlns="http://www.w3.org/2000/svg">
+  <style>
+    .fg { fill: #AAAAAA }
+    .bg { background: #000000 }
+    .fg-cyan { fill: #00AAAA }
+    .fg-green { fill: #00AA00 }
+    .fg-yellow { fill: #AA5500 }
+    .container {
+      padding: 0 10px;
+      line-height: 18px;
+    }
+    .bold { font-weight: bold; }
+    tspan {
+      font: 14px SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
+      white-space: pre;
+      line-height: 18px;
+    }
+  </style>
+
+  <rect width="100%" height="100%" y="0" rx="4.5" class="bg" />
+
+  <text xml:space="preserve" class="container fg">
+    <tspan x="10px" y="28px"><tspan class="fg-green bold">    Creating</tspan><tspan> library `out-of-workspace` package</tspan>
+</tspan>
+    <tspan x="10px" y="46px"><tspan class="fg-green bold">      Adding</tspan><tspan> `out-of-workspace` as member of workspace at `[ROOT]/case/workspace`</tspan>
+</tspan>
+    <tspan x="10px" y="64px"><tspan class="fg-yellow bold">warning</tspan><tspan class="bold">:</tspan><tspan> compiling this new package may not work due to invalid workspace configuration</tspan>
+</tspan>
+    <tspan x="10px" y="82px">
+</tspan>
+    <tspan x="10px" y="100px"><tspan>workspace member `[ROOT]/case/out-of-workspace/Cargo.toml` is not hierarchically below the workspace root `[ROOT]/case/workspace/Cargo.toml`</tspan>
+</tspan>
+    <tspan x="10px" y="118px"><tspan class="fg-cyan bold">note</tspan><tspan class="bold">:</tspan><tspan> see more `Cargo.toml` keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html</tspan>
+</tspan>
+    <tspan x="10px" y="136px">
+</tspan>
+  </text>
+
+</svg>

tests/testsuite/cargo_new/mod.rs

@@ -8,6 +8,7 @@ mod add_members_to_workspace_with_members_glob;
 mod add_members_to_workspace_without_members;
 mod empty_name;
 mod help;
+mod ignore_current_dir_workspace;
 mod inherit_workspace_lints;
 mod inherit_workspace_package_table;
 mod inherit_workspace_package_table_with_edition;