tests: add libcinfo command tests (#2872)

tests/gdb-tests/tests/test_command_libcinfo.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+import gdb
+
+import tests
+
+REFERENCE_BINARY = tests.binaries.get("reference-binary.out")
+
+
+def test_command_libcinfo(start_binary):
+    """
+    Tests the libcinfo command
+    """
+    start_binary(REFERENCE_BINARY)
+
+    result = gdb.execute("libcinfo", to_string=True)
+    assert result == "Could not determine libc version.\n"
+
+    # Continue until main, so the libc is actually loaded
+    gdb.execute("break main")
+    gdb.execute("continue")
+
+    result = gdb.execute("libcinfo", to_string=True).splitlines()
+    assert len(result) == 2
+    assert result[0].startswith("libc version: ")
+    assert result[1].startswith("libc source link: https://ftp.gnu.org/gnu/libc/glibc-")
+    assert result[1].endswith(".tar.gz")