1 files changed, 57 insertions, 0 deletions
diff --git a/src/test/arm32/thumb_decode.rs b/src/test/arm32/thumb_decode.rs
new file mode 100644
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+++ b/src/test/arm32/thumb_decode.rs
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+// Copyright 2024 Gabriel Bjørnager Jensen.
+//
+// This file is part of Pollex.
+//
+// Pollex is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Af-
+// fero General Public License as published by the
+// Free Software Foundation, either version 3 of
+// the License, or (at your option) any later ver-
+// sion.
+//
+// Pollex is distributed in the hope that it will
+// be useful, but WITHOUT ANY WARRANTY; without
+// even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Af-
+// fero General Public License along with Pollex.
+// If not, see <https://www.gnu.org/licenses/>.
+
+use crate::arm32::{
+ Instruction,
+ InstructionCodec,
+ Predicate,
+ Register,
+};
+
+use alloc::vec::Vec;
+
+#[test]
+fn test_thumb_decode() {
+ let binary = [
+ 0b11011111_10101010,
+ 0b01000111_01110000,
+ ];
+
+ let mut codec = InstructionCodec::new();
+
+ let mut programme = Vec::new();
+ for opcode in binary { programme.push(codec.decode_thumb(opcode.into()).unwrap()) }
+
+ assert_eq!(
+ programme,
+ [
+ Instruction::SoftwareInterrupt {
+ predicate: Predicate::Always,
+ immediate: 0b10101010,
+ },
+
+ Instruction::BranchExchange {
+ predicate: Predicate::Always,
+ source: Register::Lr,
+ },
+ ],
+ )
+}