test(msrv): Show msrv resolver issue

Author: epage

tests/testsuite/rust_version.rs

@@ -419,6 +419,26 @@ fn resolve_with_multiple_rust_versions() {
             .file("src/lib.rs", "fn other_stuff() {}")
             .publish();
     }
+    Package::new(&format!("lower-only-newer"), "1.65.0")
+        .rust_version("1.65.0")
+        .file("src/lib.rs", "fn other_stuff() {}")
+        .publish();
+    for ver in ["1.45.0", "1.55.0"] {
+        Package::new(&format!("lower-newer-and-older"), ver)
+            .rust_version(ver)
+            .file("src/lib.rs", "fn other_stuff() {}")
+            .publish();
+    }
+    Package::new(&format!("higher-only-newer"), "1.65.0")
+        .rust_version("1.65.0")
+        .file("src/lib.rs", "fn other_stuff() {}")
+        .publish();
+    for ver in ["1.55.0", "1.65.0"] {
+        Package::new(&format!("higher-newer-and-older"), ver)
+            .rust_version(ver)
+            .file("src/lib.rs", "fn other_stuff() {}")
+            .publish();
+    }
 
     let p = project()
         .file(
@@ -435,6 +455,8 @@ fn resolve_with_multiple_rust_versions() {
             rust-version = "1.60.0"
 
             [dependencies]
+            higher-only-newer = "1"
+            higher-newer-and-older = "1"
             shared-only-newer = "1"
             shared-newer-and-older = "1"
         "#,
@@ -451,6 +473,8 @@ fn resolve_with_multiple_rust_versions() {
             rust-version = "1.50.0"
 
             [dependencies]
+            lower-only-newer = "1"
+            lower-newer-and-older = "1"
             shared-only-newer = "1"
             shared-newer-and-older = "1"
         "#,
@@ -464,13 +488,15 @@ fn resolve_with_multiple_rust_versions() {
         .masquerade_as_nightly_cargo(&["msrv-policy"])
         .with_stderr_data(str![[r#"
 [UPDATING] `dummy-registry` index
-[LOCKING] 2 packages to latest compatible versions
+[LOCKING] 6 packages to latest compatible versions
 
 "#]])
         .run();
     p.cargo("tree")
         .with_stdout_data(str![[r#"
 higher v0.0.1 ([ROOT]/foo)
+├── higher-newer-and-older v1.65.0
+├── higher-only-newer v1.65.0
 ├── shared-newer-and-older v1.65.0
 └── shared-only-newer v1.65.0
 
@@ -483,7 +509,11 @@ higher v0.0.1 ([ROOT]/foo)
         .masquerade_as_nightly_cargo(&["msrv-policy"])
         .with_stderr_data(str![[r#"
 [UPDATING] `dummy-registry` index
-[LOCKING] 2 packages to latest Rust 1.50.0 compatible versions
+[LOCKING] 6 packages to latest Rust 1.50.0 compatible versions
+[ADDING] higher-newer-and-older v1.65.0 (requires Rust 1.65.0)
+[ADDING] higher-only-newer v1.65.0 (requires Rust 1.65.0)
+[ADDING] lower-newer-and-older v1.45.0 (available: v1.55.0, requires Rust 1.55.0)
+[ADDING] lower-only-newer v1.65.0 (requires Rust 1.65.0)
 [ADDING] shared-newer-and-older v1.45.0 (available: v1.65.0, requires Rust 1.65.0)
 [ADDING] shared-only-newer v1.65.0 (requires Rust 1.65.0)
 
@@ -492,6 +522,8 @@ higher v0.0.1 ([ROOT]/foo)
     p.cargo("tree")
         .with_stdout_data(str![[r#"
 higher v0.0.1 ([ROOT]/foo)
+├── higher-newer-and-older v1.65.0
+├── higher-only-newer v1.65.0
 ├── shared-newer-and-older v1.45.0
 └── shared-only-newer v1.65.0