update

4-ShellP2/bats/student_tests.sh

@@ -95,4 +95,30 @@ EOF
     stripped_output=$(echo "$output" | tr -d '[:space:]')
     expected_output="Errorexecutingnocommand:Nosuchfileordirectorydsh2>dsh2>dsh2>2dsh2>cmdloopreturned0"
     [ "$stripped_output" = "$expected_output" ]
-}
\ No newline at end of file
+}
+
+# Test: Check 'dragon' built-in command prints dragon
+@test "Check dragon command prints dragon" {
+    run ./dsh <<EOF
+dragon
+EOF
+    [ "$status" -eq 0 ]
+}
+
+# Test: Check handling of permission denied error
+@test "Check handling of permission denied" {
+    touch testfile
+    chmod -r testfile
+    run ./dsh <<EOF
+./testfile
+rc
+EOF
+    stripped_output=$(echo "$output" | tr -d '[:space:]')
+    expected_output="Errorexecuting./testfile:Permissiondenieddsh2>dsh2>dsh2>13dsh2>cmdloopreturned0"
+    echo "Captured stdout:"
+    echo "Output: $output"
+    echo "Exit Status: $status"
+    echo "${stripped_output} -> ${expected_output}"
+    [ "$stripped_output" = "$expected_output" ]
+    rm testfile
+}