deleted file mode 100644
--- a/tests/test-diff-binary-file.out
+++ /dev/null
@@ -1,23 +0,0 @@
-% diff -r 0 -r 1
-diff -r 48b371597640 -r acea2ab458c8 binfile.bin
-Binary file binfile.bin has changed
-% diff -r 0 -r 2
-% diff --git -r 0 -r 1
-diff --git a/binfile.bin b/binfile.bin
-index 37ba3d1c6f17137d9c5f5776fa040caf5fe73ff9..58dc31a9e2f40f74ff3b45903f7d620b8e5b7356
-GIT binary patch
-literal 594
-zc$@)J0<HatP)<h;3K|Lk000e1NJLTq000mG000mO0ssI2kdbIM00009a7bBm000XU
-z000XU0RWnu7ytkO2XskIMF-Uh9TW;VpMjwv0005-Nkl<ZD9@FWPs=e;7{<>W$NUkd
-zX$nnYLt$-$V!?uy+1V%`z&Eh=ah|duER<4|QWhju3gb^nF*8iYobxWG-qqXl=2~5M
-z*IoDB)sG^CfNuoBmqLTVU^<;@nwHP!1wrWd`{(mHo6VNXWtyh{alzqmsH*yYzpvLT
-zLdY<T=ks|woh-`&01!ej#(xbV1f|pI*=%;d-%F*E*X#ZH`4I%6SS+$EJDE&ct=8po
-ziN#{?_j|kD%Cd|oiqds`xm@;oJ-^?NG3Gdqrs?5u*zI;{nogxsx~^|Fn^Y?Gdc6<;
-zfMJ+iF1J`LMx&A2?dEwNW8ClebzPTbIh{@$hS6*`kH@1d%Lo7fA#}N1)oN7`gm$~V
-z+wDx#)OFqMcE{s!JN0-xhG8ItAjVkJwEcb`3WWlJfU2r?;Pd%dmR+q@mSri5q9_W-
-zaR2~ECX?B2w+zELozC0s*6Z~|QG^f{3I#<`?)Q7U-JZ|q5W;9Q8i_=pBuSzunx=U;
-z9C)5jBoYw9^?EHyQl(M}1OlQcCX>lXB*ODN003Z&P17_@)3Pi=i0wb04<W?v-u}7K
-zXmmQA+wDgE!qR9o8jr`%=ab_&uh(l?R=r;Tjiqon91I2-hIu?57~@*4h7h9uORK#=
-gQItJW-{SoTm)8|5##k|m00000NkvXXu0mjf3JwksH2?qr
-
-% diff --git -r 0 -r 2

old mode 100755
new mode 100644
rename from tests/test-diff-binary-file
rename to tests/test-diff-binary-file.t
--- a/tests/test-diff-binary-file
+++ b/tests/test-diff-binary-file.t
@@ -1,25 +1,39 @@
-#!/bin/sh
+  $ hg init a
+  $ cd a
+  $ cp $TESTDIR/binfile.bin .
+  $ hg add binfile.bin
+  $ hg ci -m 'add binfile.bin'
+
+  $ echo >> binfile.bin
+  $ hg ci -m 'change binfile.bin'
 
-hg init a
-cd a
-cp $TESTDIR/binfile.bin .
-hg add binfile.bin
-hg ci -m 'add binfile.bin'
+  $ hg revert -r 0 binfile.bin
+  $ hg ci -m 'revert binfile.bin'
 
-echo >> binfile.bin
-hg ci -m 'change binfile.bin'
+  $ hg diff --nodates -r 0 -r 1
+  diff -r 48b371597640 -r acea2ab458c8 binfile.bin
+  Binary file binfile.bin has changed
+
+  $ hg diff --nodates -r 0 -r 2
 
-hg revert -r 0 binfile.bin
-hg ci -m 'revert binfile.bin'
-
-echo % diff -r 0 -r 1
-hg diff --nodates -r 0 -r 1
+  $ hg diff --git -r 0 -r 1
+  diff --git a/binfile.bin b/binfile.bin
+  index 37ba3d1c6f17137d9c5f5776fa040caf5fe73ff9..58dc31a9e2f40f74ff3b45903f7d620b8e5b7356
+  GIT binary patch
+  literal 594
+  zc$@)J0<HatP)<h;3K|Lk000e1NJLTq000mG000mO0ssI2kdbIM00009a7bBm000XU
+  z000XU0RWnu7ytkO2XskIMF-Uh9TW;VpMjwv0005-Nkl<ZD9@FWPs=e;7{<>W$NUkd
+  zX$nnYLt$-$V!?uy+1V%`z&Eh=ah|duER<4|QWhju3gb^nF*8iYobxWG-qqXl=2~5M
+  z*IoDB)sG^CfNuoBmqLTVU^<;@nwHP!1wrWd`{(mHo6VNXWtyh{alzqmsH*yYzpvLT
+  zLdY<T=ks|woh-`&01!ej#(xbV1f|pI*=%;d-%F*E*X#ZH`4I%6SS+$EJDE&ct=8po
+  ziN#{?_j|kD%Cd|oiqds`xm@;oJ-^?NG3Gdqrs?5u*zI;{nogxsx~^|Fn^Y?Gdc6<;
+  zfMJ+iF1J`LMx&A2?dEwNW8ClebzPTbIh{@$hS6*`kH@1d%Lo7fA#}N1)oN7`gm$~V
+  z+wDx#)OFqMcE{s!JN0-xhG8ItAjVkJwEcb`3WWlJfU2r?;Pd%dmR+q@mSri5q9_W-
+  zaR2~ECX?B2w+zELozC0s*6Z~|QG^f{3I#<`?)Q7U-JZ|q5W;9Q8i_=pBuSzunx=U;
+  z9C)5jBoYw9^?EHyQl(M}1OlQcCX>lXB*ODN003Z&P17_@)3Pi=i0wb04<W?v-u}7K
+  zXmmQA+wDgE!qR9o8jr`%=ab_&uh(l?R=r;Tjiqon91I2-hIu?57~@*4h7h9uORK#=
+  gQItJW-{SoTm)8|5##k|m00000NkvXXu0mjf3JwksH2?qr
+  
 
-echo % diff -r 0 -r 2
-hg diff --nodates -r 0 -r 2
+  $ hg diff --git -r 0 -r 2
 
-echo % diff --git -r 0 -r 1
-hg diff --git -r 0 -r 1
-
-echo % diff --git -r 0 -r 2
-hg diff --git -r 0 -r 2