v0.2.14-pre.003

crates/ksp-program-api/unit_tests/program_instruction_decode.rs

@@ -0,0 +1,41 @@
+// file: crates/ksp-program-api/unit_tests/program_instruction_decode.rs
+// version: 1
+
+#[test]
+fn recognition_variants_are_distinct_and_payload_free() {
+    assert_ne!(crate::ProgramInstructionRecognition::NoMatch, crate::ProgramInstructionRecognition::ProgramMatch);
+    assert_ne!(crate::ProgramInstructionRecognition::ProgramMatch, crate::ProgramInstructionRecognition::ExactMatch);
+    assert_eq!(std::format!("{:?}", crate::ProgramInstructionRecognition::NoMatch), "NoMatch");
+    assert_eq!(std::format!("{:?}", crate::ProgramInstructionRecognition::ProgramMatch), "ProgramMatch");
+    assert_eq!(std::format!("{:?}", crate::ProgramInstructionRecognition::ExactMatch), "ExactMatch");
+    return;
+}
+
+#[test]
+fn decode_outcome_preserves_decoded_value_and_unsupported_state() {
+    let decoded = crate::ProgramInstructionDecodeOutcome::Decoded(17_u64);
+    let decoded_value = match decoded {
+        crate::ProgramInstructionDecodeOutcome::Decoded(value) => value,
+        crate::ProgramInstructionDecodeOutcome::Unsupported => 0_u64,
+    };
+    assert_eq!(decoded_value, 17_u64);
+    let unsupported = crate::ProgramInstructionDecodeOutcome::<u64>::Unsupported;
+    assert!(matches!(unsupported, crate::ProgramInstructionDecodeOutcome::Unsupported));
+    return;
+}
+
+#[test]
+fn decode_outcome_debug_never_requires_or_renders_decoded_debug() {
+    struct ExternalDecoded {
+        secret_marker: u8,
+    }
+    let decoded = crate::ProgramInstructionDecodeOutcome::Decoded(ExternalDecoded { secret_marker: 0xA7_u8 });
+    assert_eq!(std::format!("{decoded:?}"), "Decoded");
+    let secret_marker = match decoded {
+        crate::ProgramInstructionDecodeOutcome::Decoded(value) => value.secret_marker,
+        crate::ProgramInstructionDecodeOutcome::Unsupported => 0_u8,
+    };
+    assert_eq!(secret_marker, 0xA7_u8);
+    assert_eq!(std::format!("{:?}", crate::ProgramInstructionDecodeOutcome::<ExternalDecoded>::Unsupported), "Unsupported");
+    return;
+}