EOF
cat > expect <<\EOF
-<WHITE>diff --git a/pre b/post<RESET>
-<WHITE>index 330b04f..5ed8eff 100644<RESET>
-<WHITE>--- a/pre<RESET>
-<WHITE>+++ b/post<RESET>
+<BOLD>diff --git a/pre b/post<RESET>
+<BOLD>index 330b04f..5ed8eff 100644<RESET>
+<BOLD>--- a/pre<RESET>
+<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
'
+test_expect_success '--word-diff=color' '
+
+ word_diff --word-diff=color
+
+'
+
+test_expect_success '--color --word-diff=color' '
+
+ word_diff --color --word-diff=color
+
+'
+
+sed 's/#.*$//' > expect <<EOF
+diff --git a/pre b/post
+index 330b04f..5ed8eff 100644
+--- a/pre
++++ b/post
+@@ -1,3 +1,7 @@
+-h(4)
++h(4),hh[44]
+~
+ # significant space
+~
+ a = b + c
+~
+~
++aa = a
+~
+~
++aeff = aeff * ( aaa )
+~
+EOF
+
+test_expect_success '--word-diff=porcelain' '
+
+ word_diff --word-diff=porcelain
+
+'
+
+cat > expect <<EOF
+diff --git a/pre b/post
+index 330b04f..5ed8eff 100644
+--- a/pre
++++ b/post
+@@ -1,3 +1,7 @@
+[-h(4)-]{+h(4),hh[44]+}
+
+a = b + c
+
+{+aa = a+}
+
+{+aeff = aeff * ( aaa )+}
+EOF
+
+test_expect_success '--word-diff=plain' '
+
+ word_diff --word-diff=plain
+
+'
+
+test_expect_success '--word-diff=plain --no-color' '
+
+ word_diff --word-diff=plain --no-color
+
+'
+
+cat > expect <<EOF
+<BOLD>diff --git a/pre b/post<RESET>
+<BOLD>index 330b04f..5ed8eff 100644<RESET>
+<BOLD>--- a/pre<RESET>
+<BOLD>+++ b/post<RESET>
+<CYAN>@@ -1,3 +1,7 @@<RESET>
+<RED>[-h(4)-]<RESET><GREEN>{+h(4),hh[44]+}<RESET>
+
+a = b + c<RESET>
+
+<GREEN>{+aa = a+}<RESET>
+
+<GREEN>{+aeff = aeff * ( aaa )+}<RESET>
+EOF
+
+test_expect_success '--word-diff=plain --color' '
+
+ word_diff --word-diff=plain --color
+
+'
+
cat > expect <<\EOF
-<WHITE>diff --git a/pre b/post<RESET>
-<WHITE>index 330b04f..5ed8eff 100644<RESET>
-<WHITE>--- a/pre<RESET>
-<WHITE>+++ b/post<RESET>
+<BOLD>diff --git a/pre b/post<RESET>
+<BOLD>index 330b04f..5ed8eff 100644<RESET>
+<BOLD>--- a/pre<RESET>
+<BOLD>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
<CYAN>@@ -3,0 +4,4 @@<RESET> <RESET><MAGENTA>a = b + c<RESET>
'
cat > expect <<\EOF
-<WHITE>diff --git a/pre b/post<RESET>
-<WHITE>index 330b04f..5ed8eff 100644<RESET>
-<WHITE>--- a/pre<RESET>
-<WHITE>+++ b/post<RESET>
+<BOLD>diff --git a/pre b/post<RESET>
+<BOLD>index 330b04f..5ed8eff 100644<RESET>
+<BOLD>--- a/pre<RESET>
+<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>hh<RESET>[44]
'
cat > expect <<\EOF
-<WHITE>diff --git a/pre b/post<RESET>
-<WHITE>index 330b04f..5ed8eff 100644<RESET>
-<WHITE>--- a/pre<RESET>
-<WHITE>+++ b/post<RESET>
+<BOLD>diff --git a/pre b/post<RESET>
+<BOLD>index 330b04f..5ed8eff 100644<RESET>
+<BOLD>--- a/pre<RESET>
+<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4)<GREEN>,hh[44]<RESET>
word_diff --color-words="[a-z]+"
'
+cat > expect <<\EOF
+<BOLD>diff --git a/pre b/post<RESET>
+<BOLD>index 330b04f..5ed8eff 100644<RESET>
+<BOLD>--- a/pre<RESET>
+<BOLD>+++ b/post<RESET>
+<CYAN>@@ -1,3 +1,7 @@<RESET>
+h(4),<GREEN>{+hh+}<RESET>[44]
+
+a = b + c<RESET>
+
+<GREEN>{+aa = a+}<RESET>
+
+<GREEN>{+aeff = aeff * ( aaa+}<RESET> )
+EOF
+
+test_expect_success 'command-line overrides config: --word-diff-regex' '
+ word_diff --color --word-diff-regex="[a-z]+"
+'
+
cp expect.non-whitespace-is-word expect
test_expect_success '.gitattributes override config' '
'
cat > expect <<\EOF
-<WHITE>diff --git a/pre b/post<RESET>
-<WHITE>index 330b04f..5ed8eff 100644<RESET>
-<WHITE>--- a/pre<RESET>
-<WHITE>+++ b/post<RESET>
+<BOLD>diff --git a/pre b/post<RESET>
+<BOLD>index 330b04f..5ed8eff 100644<RESET>
+<BOLD>--- a/pre<RESET>
+<BOLD>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>hh[44<RESET>]
echo 'aaa (aaa) aaa' > post
cat > expect <<\EOF
-<WHITE>diff --git a/pre b/post<RESET>
-<WHITE>index c29453b..be22f37 100644<RESET>
-<WHITE>--- a/pre<RESET>
-<WHITE>+++ b/post<RESET>
+<BOLD>diff --git a/pre b/post<RESET>
+<BOLD>index c29453b..be22f37 100644<RESET>
+<BOLD>--- a/pre<RESET>
+<BOLD>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
aaa (aaa) <GREEN>aaa<RESET>
EOF
echo '(' > post
cat > expect <<\EOF
-<WHITE>diff --git a/pre b/post<RESET>
-<WHITE>index 289cb9d..2d06f37 100644<RESET>
-<WHITE>--- a/pre<RESET>
-<WHITE>+++ b/post<RESET>
+<BOLD>diff --git a/pre b/post<RESET>
+<BOLD>index 289cb9d..2d06f37 100644<RESET>
+<BOLD>--- a/pre<RESET>
+<BOLD>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
(<RED>:<RESET>
EOF
'
+cat > expect <<\EOF
+diff --git a/pre b/post
+index 289cb9d..2d06f37 100644
+--- a/pre
++++ b/post
+@@ -1 +1 @@
+-(:
++(
+EOF
+
+test_expect_success '--word-diff=none' '
+
+ word_diff --word-diff=plain --word-diff=none
+
+'
+
test_done