From a97e64378a3d638f85fd85af07e110a5fa1a2695 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Magalh=C3=A3es?= <joamag@gmail.com>
Date: Fri, 19 May 2023 07:13:10 +0100
Subject: [PATCH] tests: new unit tests
---
src/apu.rs | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/src/apu.rs b/src/apu.rs
index b22d7fb8..fbb331b2 100644
--- a/src/apu.rs
+++ b/src/apu.rs
@@ -931,3 +931,51 @@ impl Default for Apu {
Self::new(44100, 1.0, GameBoy::CPU_FREQ)
}
}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn test_trigger_ch1() {
+ let mut apu = Apu::default();
+ apu.ch1_wave_length = 1024;
+ apu.trigger_ch1();
+
+ assert_eq!(apu.ch1_timer, 4096);
+ assert_eq!(apu.ch1_envelope_sequence, 0);
+ assert_eq!(apu.ch1_sweep_sequence, 0);
+ }
+
+ #[test]
+ fn test_trigger_ch2() {
+ let mut apu = Apu::default();
+ apu.ch2_wave_length = 1024;
+ apu.trigger_ch2();
+
+ assert_eq!(apu.ch2_timer, 4096);
+ assert_eq!(apu.ch2_envelope_sequence, 0);
+ }
+
+ #[test]
+ fn test_trigger_ch3() {
+ let mut apu = Apu::default();
+ apu.ch3_wave_length = 1024;
+ apu.trigger_ch3();
+
+ assert_eq!(apu.ch3_timer, 3);
+ assert_eq!(apu.ch3_position, 0);
+ }
+
+ #[test]
+ fn test_trigger_ch4() {
+ let mut apu = Apu::default();
+ apu.ch4_divisor = 3;
+ apu.ch4_clock_shift = 2;
+ apu.trigger_ch4();
+
+ assert_eq!(apu.ch4_timer, 192);
+ assert_eq!(apu.ch4_lfsr, 0x7ff1);
+ assert_eq!(apu.ch4_envelope_sequence, 0);
+ }
+}
--
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