Added check for binary file correctness

extra/binary.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+echo "Testing binary"
+DIR="$(mktemp -d)"
+cp -r ../tests/* "$DIR"
+cargo build --release
+
+# run tex-fmt
+../target/release/tex-fmt "$DIR/source"/* "$DIR/target"/*
+
+# tex-fmt agrees with target files
+for file in ../tests/source/*; do
+    f=$(basename "$file")
+    diff ../"tests/target/$f" "$DIR/source/$f" | diff-so-fancy
+    diff ../"tests/target/$f" "$DIR/target/$f" | diff-so-fancy
+done

justfile

@@ -1,6 +1,6 @@
 default: test doc clippy format shellcheck
 
-all: default prof perf logo latex
+all: default prof perf binary logo latex
 
 alias b := build
 alias d := doc
@@ -36,6 +36,9 @@ perf:
 prof:
   @cd extra && bash prof.sh
 
+binary:
+  @cd extra && bash binary.sh
+
 upgrade:
   @cargo upgrade && cargo update