Fix test failure due to incorrect link type

microsoft · Dec 16, 2024 · f6f7901 · f6f7901
1 parent b549a94
commit f6f7901
Showing 1 changed file with 14 additions and 3 deletions.
diff --git a/tests/unit/libbpf_test.cpp b/tests/unit/libbpf_test.cpp
@@ -2222,8 +2222,8 @@ TEST_CASE("enumerate link IDs with bpf", "[libbpf]")
     attr.info.info = (uintptr_t)&info;
     attr.info.info_len = sizeof(info);
     REQUIRE(bpf(BPF_OBJ_GET_INFO_BY_FD, &attr, sizeof(attr)) == 0);
-    REQUIRE(info.type == BPF_LINK_TYPE_PLAIN);
-    REQUIRE(info.id != 0);
+    REQUIRE(info.type == BPF_LINK_TYPE_UNSPEC);
+    REQUIRE(info.id == id1);
     REQUIRE(info.prog_id != 0);
 
     // Detach the first link.
@@ -2238,7 +2238,7 @@ TEST_CASE("enumerate link IDs with bpf", "[libbpf]")
     attr.info.info_len = sizeof(info);
     REQUIRE(bpf(BPF_OBJ_GET_INFO_BY_FD, &attr, sizeof(attr)) == 0);
     REQUIRE(info.type == BPF_LINK_TYPE_PLAIN);
-    REQUIRE(info.id != 0);
+    REQUIRE(info.id == id1);
     REQUIRE(info.prog_id == 0);
 
     // Pin the detached link.
@@ -2262,6 +2262,17 @@ TEST_CASE("enumerate link IDs with bpf", "[libbpf]")
     attr.info.info_len = sizeof(info);
     REQUIRE(bpf(BPF_OBJ_GET_INFO_BY_FD, &attr, sizeof(attr)) == 0);
     REQUIRE(info.id == id1);
+
+    // Get info on the second link.
+    memset(&attr, 0, sizeof(attr));
+    info = {};
+    attr.info.bpf_fd = fd2;
+    attr.info.info = (uintptr_t)&info;
+    attr.info.info_len = sizeof(info);
+    REQUIRE(bpf(BPF_OBJ_GET_INFO_BY_FD, &attr, sizeof(attr)) == 0);
+    REQUIRE(info.type == BPF_LINK_TYPE_PLAIN);
+    REQUIRE(info.id == id2);
+    REQUIRE(info.prog_id != 0);
 
     // And for completeness, try an invalid bpf() call.
     REQUIRE(bpf(-1, &attr, sizeof(attr)) == -EINVAL);