test(cksum): Add tests for SHAKE128|256

Author: RenjiSann

tests/by-util/test_cksum.rs

@@ -4,6 +4,8 @@
 // file that was distributed with this source code.
 // spell-checker:ignore (words) asdf algo algos asha mgmt xffname hexa GFYEQ HYQK Yqxb dont checkfile
 
+use rstest::rstest;
+
 use uutests::at_and_ucmd;
 use uutests::new_ucmd;
 use uutests::util::TestScenario;
@@ -3098,3 +3100,65 @@ fn test_check_checkfile_with_io_error() {
         .stderr_contains("/proc/self/mem: read error")
         .no_stdout();
 }
+
+#[rstest]
+#[case::default_length(
+    b"foo",
+    &[],
+    "f84e95cb5fbd2038863ab27d3cdeac295ad2d4ab96ad1f4b070c0bf36078ef08"
+)]
+#[case::pass_default_length(
+    b"foo",
+    &["-l", "256"],
+    "f84e95cb5fbd2038863ab27d3cdeac295ad2d4ab96ad1f4b070c0bf36078ef08"
+)]
+#[case::smaller_length(
+    b"foo",
+    &["-l", "128"],
+    "f84e95cb5fbd2038863ab27d3cdeac29"
+)]
+#[case::bigger_length(
+    b"foo",
+    &["-l", "264"],
+    "f84e95cb5fbd2038863ab27d3cdeac295ad2d4ab96ad1f4b070c0bf36078ef0881"
+)]
+fn test_shake128(#[case] input: &[u8], #[case] args: &[&str], #[case] expected: &str) {
+    new_ucmd!()
+        .arg("-a")
+        .arg("shake128")
+        .args(args)
+        .pipe_in(input)
+        .succeeds()
+        .stdout_only(format!("SHAKE128 (-) = {expected}\n"));
+}
+
+#[rstest]
+#[case::default_length(
+    b"foo",
+    &[],
+    "1af97f7818a28edfdfce5ec66dbdc7e871813816d7d585fe1f12475ded5b6502b7723b74e2ee36f2651a10a8eaca72aa9148c3c761aaceac8f6d6cc64381ed39"
+)]
+#[case::pass_default_length(
+    b"foo",
+    &["-l", "512"],
+    "1af97f7818a28edfdfce5ec66dbdc7e871813816d7d585fe1f12475ded5b6502b7723b74e2ee36f2651a10a8eaca72aa9148c3c761aaceac8f6d6cc64381ed39"
+)]
+#[case::smaller_length(
+    b"foo",
+    &["-l", "128"],
+    "1af97f7818a28edfdfce5ec66dbdc7e8"
+)]
+#[case::bigger_length(
+    b"foo",
+    &["-l", "1024"],
+    "1af97f7818a28edfdfce5ec66dbdc7e871813816d7d585fe1f12475ded5b6502b7723b74e2ee36f2651a10a8eaca72aa9148c3c761aaceac8f6d6cc64381ed39b165dd57d09133bb3f5ecbbe628a3447dd0f79e2fbe540e2d4033950386cd5dcda9691e9acba695fd0942a1ab7e8c4ffa2d7e00763a0dc6b04f7ef50ddc03c4a"
+)]
+fn test_shake256(#[case] input: &[u8], #[case] args: &[&str], #[case] expected: &str) {
+    new_ucmd!()
+        .arg("-a")
+        .arg("shake256")
+        .args(args)
+        .pipe_in(input)
+        .succeeds()
+        .stdout_only(format!("SHAKE256 (-) = {expected}\n"));
+}