From 9d60c5ed015f2739f2696e2c8150beb25421fc3f Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Sun, 17 Mar 2024 11:20:39 -0700
Subject: run non-panicking tests with a horkton of parallelism

they run in minute or so now

and the thumb mode panics....???
---
 differential-tests/tests/capstone-differential.rs |  2 +-
 tests/test.rs                                     | 93 ++++++++++++-----------
 2 files changed, 48 insertions(+), 47 deletions(-)

diff --git a/differential-tests/tests/capstone-differential.rs b/differential-tests/tests/capstone-differential.rs
index 3e76321..ea74f50 100644
--- a/differential-tests/tests/capstone-differential.rs
+++ b/differential-tests/tests/capstone-differential.rs
@@ -608,7 +608,7 @@ fn capstone_differential() {
         */
     }
 
-    const NR_THREADS: u64 = 64;
+    const NR_THREADS: u64 = 512;
 
     let range_size = (u32::MAX as u64 + 1) / NR_THREADS;
 
diff --git a/tests/test.rs b/tests/test.rs
index 5007464..bae941d 100644
--- a/tests/test.rs
+++ b/tests/test.rs
@@ -8,59 +8,30 @@ mod armv8;
 use yaxpeax_arch::{Arch, Decoder, U8Reader};
 use std::fmt::Write;
 
-#[test]
-#[ignore]
-fn test_armv7_does_not_panic() {
-    let armv7 = <yaxpeax_arm::armv7::ARMv7 as Arch>::Decoder::default();
+fn test_range<A: Arch>(decoder: &A::Decoder, start: u64, end: u64)
+where
+    for <'a> U8Reader<'a>: yaxpeax_arch::Reader<<A as Arch>::Address, <A as Arch>::Word>,
+    <A as Arch>::Instruction: std::fmt::Display
+{
 
-    for i in 0..=u32::MAX {
-        let bytes = i.to_le_bytes();
-        let res = armv7.decode(&mut U8Reader::new(&bytes));
-        if let Ok(instr) = res {
-            let s = instr.to_string();
-            drop(s);
-        }
-    }
-}
-#[test]
-#[ignore]
-fn test_armv7_thumb_does_not_panic() {
-    let mut armv7_t = <yaxpeax_arm::armv7::ARMv7 as Arch>::Decoder::default();
-    armv7_t.set_thumb_mode(true);
+    let mut instr = A::Instruction::default();
+    let mut s = String::new();
 
-    for i in 0..=u32::MAX {
+    for i in start..=end {
+        if i & 0x01_ff_ff_ff == 0 {
+            eprintln!("case {:08x}", i);
+        }
+        let i = i as u32;
         let bytes = i.to_le_bytes();
-        let res = armv7_t.decode(&mut U8Reader::new(&bytes));
-        if let Ok(instr) = res {
-            let s = instr.to_string();
-            drop(s);
+        let res = decoder.decode_into(&mut instr, &mut U8Reader::new(&bytes));
+        if let Ok(()) = res {
+            s.clear();
+            write!(s, "{}", instr).unwrap();
         }
     }
 }
 
-#[test]
-#[ignore]
-fn test_armv8_does_not_panic() {
-    fn test_range(start: u64, end: u64) {
-        let armv8 = <yaxpeax_arm::armv8::a64::ARMv8 as Arch>::Decoder::default();
-
-        let mut instr = <yaxpeax_arm::armv8::a64::ARMv8 as yaxpeax_arch::Arch>::Instruction::default();
-        let mut s = String::new();
-
-        for i in start..=end {
-            if i & 0x01_ff_ff_ff == 0 {
-                eprintln!("case {:08x}", i);
-            }
-            let i = i as u32;
-            let bytes = i.to_le_bytes();
-            let res = armv8.decode_into(&mut instr, &mut U8Reader::new(&bytes));
-            if let Ok(()) = res {
-                s.clear();
-                write!(s, "{}", instr).unwrap();
-            }
-        }
-    }
-
+fn par_test_u32(test_range: fn(u64, u64)) {
     const NR_THREADS: u64 = 512;
 
     const RANGE_SIZE: u64 = (u32::MAX as u64 + 1) / NR_THREADS;
@@ -76,3 +47,33 @@ fn test_armv8_does_not_panic() {
         handle.join().unwrap();
     }
 }
+
+#[test]
+#[ignore]
+fn test_armv7_does_not_panic() {
+    par_test_u32(|start, end| {
+        let armv7 = <yaxpeax_arm::armv7::ARMv7 as Arch>::Decoder::default();
+
+        test_range::<yaxpeax_arm::armv7::ARMv7>(&armv7, start, end);
+    });
+}
+#[test]
+#[ignore]
+fn test_armv7_thumb_does_not_panic() {
+    par_test_u32(|start, end| {
+        let mut armv7_t = <yaxpeax_arm::armv7::ARMv7 as Arch>::Decoder::default();
+        armv7_t.set_thumb_mode(true);
+
+        test_range::<yaxpeax_arm::armv7::ARMv7>(&armv7_t, start, end);
+    });
+}
+
+#[test]
+#[ignore]
+fn test_armv8_does_not_panic() {
+    par_test_u32(|start, end| {
+        let armv8 = <yaxpeax_arm::armv8::a64::ARMv8 as Arch>::Decoder::default();
+
+        test_range::<yaxpeax_arm::armv8::a64::ARMv8>(&armv8, start, end);
+    });
+}
-- 
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