Expand test for GCC Apple -arch and version flag

tests/test.rs

@@ -524,28 +524,99 @@ fn asm_flags() {
 }
 
 #[test]
-fn gnu_apple_darwin() {
-    for (arch, ld64_arch, version) in &[("x86_64", "x86_64", "10.7"), ("aarch64", "arm64", "11.0")]
-    {
-        let target = format!("{}-apple-darwin", arch);
+fn gnu_apple_sysroot() {
+    let targets = ["aarch64-apple-darwin", "x86_64-apple-darwin"];
+
+    for target in targets {
         let test = Test::gnu();
         test.shim("fake-gcc")
             .gcc()
             .compiler("fake-gcc")
             .target(&target)
             .host(&target)
-            // Avoid test maintenance when minimum supported OSes change.
-            .__set_env("MACOSX_DEPLOYMENT_TARGET", version)
             .file("foo.c")
             .compile("foo");
 
         let cmd = test.cmd(0);
-        cmd.must_have_in_order("-arch", ld64_arch);
-        cmd.must_have(format!("-mmacosx-version-min={version}"));
         cmd.must_not_have("-isysroot");
     }
 }
 
+#[test]
+#[cfg(target_os = "macos")] // Invokes xcrun
+fn gnu_apple_arch() {
+    let cases = [
+        ("x86_64-apple-darwin", "x86_64"),
+        ("x86_64h-apple-darwin", "x86_64h"),
+        ("aarch64-apple-darwin", "arm64"),
+        ("arm64e-apple-darwin", "arm64e"),
+        ("i686-apple-darwin", "i386"),
+        ("aarch64-apple-ios", "arm64"),
+        ("armv7s-apple-ios", "armv7s"),
+        ("arm64_32-apple-watchos", "arm64_32"),
+        ("armv7k-apple-watchos", "armv7k"),
+    ];
+
+    for (target, arch) in cases {
+        let test = Test::gnu();
+        test.shim("fake-gcc")
+            .gcc()
+            .compiler("fake-gcc")
+            .target(&target)
+            .host(&"aarch64-apple-darwin")
+            .file("foo.c")
+            .compile("foo");
+
+        let cmd = test.cmd(0);
+        cmd.must_have_in_order("-arch", arch);
+    }
+}
+
+#[test]
+#[cfg(target_os = "macos")] // Invokes xcrun
+fn gnu_apple_deployment_target() {
+    let cases = [
+        ("x86_64-apple-darwin", "-mmacosx-version-min=10.12"),
+        ("aarch64-apple-darwin", "-mmacosx-version-min=10.12"),
+        ("aarch64-apple-ios", "-miphoneos-version-min=10.0"),
+        ("aarch64-apple-ios-sim", "-mios-simulator-version-min=10.0"),
+        ("x86_64-apple-ios", "-mios-simulator-version-min=10.0"),
+        ("aarch64-apple-ios-macabi", "-mtargetos=ios10.0-macabi"),
+        ("aarch64-apple-tvos", "-mappletvos-version-min=10.0"),
+        (
+            "aarch64-apple-tvos-sim",
+            "-mappletvsimulator-version-min=10.0",
+        ),
+        ("aarch64-apple-watchos", "-mwatchos-version-min=5.0"),
+        (
+            "aarch64-apple-watchos-sim",
+            "-mwatchsimulator-version-min=5.0",
+        ),
+        ("aarch64-apple-visionos", "-mtargetos=xros1.0"),
+        ("aarch64-apple-visionos-sim", "-mtargetos=xros1.0-simulator"),
+    ];
+
+    for (target, os_version_flag) in cases {
+        let test = Test::gnu();
+        test.shim("fake-gcc")
+            .gcc()
+            .compiler("fake-gcc")
+            .target(&target)
+            .host(&"aarch64-apple-darwin")
+            // Avoid dependency on environment in test.
+            .__set_env("MACOSX_DEPLOYMENT_TARGET", "10.12")
+            .__set_env("IPHONEOS_DEPLOYMENT_TARGET", "10.0")
+            .__set_env("TVOS_DEPLOYMENT_TARGET", "10.0")
+            .__set_env("WATCHOS_DEPLOYMENT_TARGET", "5.0")
+            .__set_env("XROS_DEPLOYMENT_TARGET", "1.0")
+            .file("foo.c")
+            .compile("foo");
+
+        let cmd = test.cmd(0);
+        cmd.must_have(os_version_flag);
+    }
+}
+
 #[cfg(target_os = "macos")]
 #[test]
 fn macos_cpp_minimums() {