add test coverage for archiver

Signed-off-by: onur-ozkan <[email protected]>

Author: onur-ozkan

tests/archiver.rs

@@ -0,0 +1,44 @@
+#[test]
+fn main() {
+    let cfg = cc_with_target("i586-pc-nto-qnx700");
+    assert_eq!(cfg.get_archiver().get_program(), "ntox86-ar");
+
+    let cfg = cc_with_target("x86_64-unknown-linux-gnu");
+    assert_eq!(cfg.get_archiver().get_program(), "ar");
+
+    let cfg = cc_with_target("x86_64-unknown-linux-musl");
+    assert_eq!(cfg.get_archiver().get_program(), "ar");
+
+    let cfg = cc_with_target("riscv64gc-unknown-openbsd");
+    assert_eq!(cfg.get_archiver().get_program(), "ar");
+
+    let cfg = cc_with_target("i686-wrs-vxworks");
+    assert_eq!(cfg.get_archiver().get_program(), "wr-ar");
+
+    let cfg = cc_with_target("i586-pc-nto-qnx700");
+    assert_eq!(cfg.get_archiver().get_program(), "ntox86-ar");
+
+    let cfg = cc_with_target("aarch64-unknown-nto-qnx700");
+    assert_eq!(cfg.get_archiver().get_program(), "ntoaarch64-ar");
+
+    let cfg = cc_with_target("x86_64-pc-nto-qnx710");
+    assert_eq!(cfg.get_archiver().get_program(), "ntox86_64-ar");
+
+    let cfg = cc_with_target("wasm32-wasip1");
+    // This usually returns an absolute path, so using `assert_eq` might make the test flaky.
+    assert!(cfg
+        .get_archiver()
+        .get_program()
+        .to_str()
+        .unwrap()
+        .ends_with("llvm-ar"));
+
+    let cfg = cc_with_target("riscv64-linux-android");
+    assert_eq!(cfg.get_archiver().get_program(), "llvm-ar");
+}
+
+fn cc_with_target(target: &'static str) -> cc::Build {
+    let mut cfg = cc::Build::new();
+    cfg.host("x86_64-unknown-linux-gnu").target(target);
+    cfg
+}