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#!/bin/sh
# This is an interdiff(1) testcase.
# Test: Comprehensive test for -w option enabling patch -l behavior
. ${top_srcdir-.}/tests/common.sh
# Test 1: Basic functionality - whitespace differences should be ignored with -w
cat << EOF > file1
line1
line2
line3
EOF
cat << EOF > file2
line1
line2 modified
line3
EOF
cat << EOF > file3
line1
line2 modified
line3
line4
EOF
${DIFF} -u file1 file2 > patch1 || true
${DIFF} -u file2 file3 > patch2 || true
# Without -w: should show whitespace differences
${INTERDIFF} patch1 patch2 > result-no-w 2>errors-no-w || exit 1
# With -w: should ignore whitespace differences and focus on content
${INTERDIFF} -w patch1 patch2 > result-w 2>errors-w || exit 1
# Both should succeed, but -w version should be cleaner
[ -s result-no-w ] || exit 1
[ -s result-w ] || exit 1
# The -w version should show addition of line4
grep "line4" result-w > /dev/null || exit 1
# Test 2: Regression - ensure other options still work
${INTERDIFF} -b patch1 patch2 > result-b 2>errors-b || exit 1
${INTERDIFF} -B patch1 patch2 > result-B 2>errors-B || exit 1
[ -s result-b ] || exit 1
[ -s result-B ] || exit 1
exit 0
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