2010-12-25 12:11:32 +01:00
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#!/bin/sh
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test_description='test parsing of svndiff0 files
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Using the "test-svn-fe -d" helper, check that svn-fe correctly
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interprets deltas using various facilities (some from the spec,
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some only learned from practice).
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'
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. ./test-lib.sh
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>empty
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printf foo >preimage
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test_expect_success 'reject empty delta' '
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test_must_fail test-svn-fe -d preimage empty 0
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'
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test_expect_success 'delta can empty file' '
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printf "SVNQ" | q_to_nul >clear.delta &&
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test-svn-fe -d preimage clear.delta 4 >actual &&
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test_cmp empty actual
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'
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test_expect_success 'reject svndiff2' '
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printf "SVN\002" >bad.filetype &&
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test_must_fail test-svn-fe -d preimage bad.filetype 4
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'
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2010-10-13 11:21:43 +02:00
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test_expect_success 'one-window empty delta' '
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2010-12-25 12:11:32 +01:00
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printf "SVNQ%s" "QQQQQ" | q_to_nul >clear.onewindow &&
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test-svn-fe -d preimage clear.onewindow 9 >actual &&
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test_cmp empty actual
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'
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2010-10-13 11:21:43 +02:00
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test_expect_success 'reject incomplete window header' '
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printf "SVNQ%s" "QQQQQ" | q_to_nul >clear.onewindow &&
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printf "SVNQ%s" "QQ" | q_to_nul >clear.partialwindow &&
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test_must_fail test-svn-fe -d preimage clear.onewindow 6 &&
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test_must_fail test-svn-fe -d preimage clear.partialwindow 6
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'
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test_expect_success 'reject declared delta longer than actual delta' '
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printf "SVNQ%s" "QQQQQ" | q_to_nul >clear.onewindow &&
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printf "SVNQ%s" "QQ" | q_to_nul >clear.partialwindow &&
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test_must_fail test-svn-fe -d preimage clear.onewindow 14 &&
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test_must_fail test-svn-fe -d preimage clear.partialwindow 9
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'
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test_expect_success 'two-window empty delta' '
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printf "SVNQ%s%s" "QQQQQ" "QQQQQ" | q_to_nul >clear.twowindow &&
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test-svn-fe -d preimage clear.twowindow 14 >actual &&
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test_must_fail test-svn-fe -d preimage clear.twowindow 13 &&
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test_cmp empty actual
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'
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test_expect_success 'noisy zeroes' '
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printf "SVNQ%s" \
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"RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRQQQQQ" |
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tr R "\200" |
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q_to_nul >clear.noisy &&
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len=$(wc -c <clear.noisy) &&
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test-svn-fe -d preimage clear.noisy $len &&
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test_cmp empty actual
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'
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test_expect_success 'reject variable-length int in magic' '
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printf "SVNRQ" | tr R "\200" | q_to_nul >clear.badmagic &&
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test_must_fail test-svn-fe -d preimage clear.badmagic 5
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'
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test_expect_success 'reject truncated integer' '
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printf "SVNQ%s%s" "QQQQQ" "QQQQRRQ" |
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tr R "\200" |
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q_to_nul >clear.fullint &&
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printf "SVNQ%s%s" "QQQQQ" "QQQQRR" |
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tr RT "\201" |
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q_to_nul >clear.partialint &&
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test_must_fail test-svn-fe -d preimage clear.fullint 15 &&
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test-svn-fe -d preimage clear.fullint 16 &&
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test_must_fail test-svn-fe -d preimage clear.partialint 15
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'
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test_expect_success 'nonempty (but unused) preimage view' '
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printf "SVNQ%b" "Q\003QQQ" | q_to_nul >clear.readpreimage &&
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test-svn-fe -d preimage clear.readpreimage 9 >actual &&
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test_cmp empty actual
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'
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2010-10-13 11:30:37 +02:00
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test_expect_success 'preimage view: right endpoint cannot backtrack' '
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printf "SVNQ%b%b" "Q\003QQQ" "Q\002QQQ" |
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q_to_nul >clear.backtrack &&
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test_must_fail test-svn-fe -d preimage clear.backtrack 14
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'
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test_expect_success 'preimage view: left endpoint can advance' '
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printf "SVNQ%b%b" "Q\003QQQ" "\001\002QQQ" |
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q_to_nul >clear.preshrink &&
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printf "SVNQ%b%b" "Q\003QQQ" "\001\001QQQ" |
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q_to_nul >clear.shrinkbacktrack &&
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test-svn-fe -d preimage clear.preshrink 14 >actual &&
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test_must_fail test-svn-fe -d preimage clear.shrinkbacktrack 14 &&
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test_cmp empty actual
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'
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test_expect_success 'preimage view: offsets compared by value' '
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printf "SVNQ%b%b" "\001\001QQQ" "\0200Q\003QQQ" |
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q_to_nul >clear.noisybacktrack &&
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printf "SVNQ%b%b" "\001\001QQQ" "\0200\001\002QQQ" |
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q_to_nul >clear.noisyadvance &&
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test_must_fail test-svn-fe -d preimage clear.noisybacktrack 15 &&
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test-svn-fe -d preimage clear.noisyadvance 15 &&
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test_cmp empty actual
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'
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test_expect_success 'preimage view: reject truncated preimage' '
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printf "SVNQ%b" "\010QQQQ" | q_to_nul >clear.lateemptyread &&
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printf "SVNQ%b" "\010\001QQQ" | q_to_nul >clear.latenonemptyread &&
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printf "SVNQ%b" "\001\010QQQ" | q_to_nul >clear.longread &&
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test_must_fail test-svn-fe -d preimage clear.lateemptyread 9 &&
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test_must_fail test-svn-fe -d preimage clear.latenonemptyread 9 &&
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test_must_fail test-svn-fe -d preimage clear.longread 9
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'
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2010-10-13 11:35:59 +02:00
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test_expect_success 'inline data' '
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printf "SVNQ%b%s%b%s" "QQQQ\003" "bar" "QQQQ\001" "x" |
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q_to_nul >inline.clear &&
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test-svn-fe -d preimage inline.clear 18 >actual &&
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test_cmp empty actual
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'
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test_expect_success 'reject truncated inline data' '
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printf "SVNQ%b%s" "QQQQ\003" "b" | q_to_nul >inline.trunc &&
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test_must_fail test-svn-fe -d preimage inline.trunc 10
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'
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2010-10-13 11:38:01 +02:00
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test_expect_success 'reject truncated inline data (after instruction section)' '
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printf "SVNQ%b%b%s" "QQ\001\001\003" "\0201" "b" | q_to_nul >insn.trunc &&
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test_must_fail test-svn-fe -d preimage insn.trunc 11
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'
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2010-10-13 11:39:44 +02:00
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test_expect_success 'copyfrom_data' '
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echo hi >expect &&
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printf "SVNQ%b%b%b" "QQ\003\001\003" "\0203" "hi\n" | q_to_nul >copydat &&
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test-svn-fe -d preimage copydat 13 >actual &&
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test_cmp expect actual
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'
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test_expect_success 'multiple copyfrom_data' '
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echo hi >expect &&
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printf "SVNQ%b%b%b%b%b" "QQ\003\002\003" "\0201\0202" "hi\n" \
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"QQQ\002Q" "\0200Q" | q_to_nul >copy.multi &&
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len=$(wc -c <copy.multi) &&
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test-svn-fe -d preimage copy.multi $len >actual &&
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test_cmp expect actual
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'
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test_expect_success 'incomplete multiple insn' '
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printf "SVNQ%b%b%b" "QQ\003\002\003" "\0203\0200" "hi\n" |
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q_to_nul >copy.partial &&
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len=$(wc -c <copy.partial) &&
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test_must_fail test-svn-fe -d preimage copy.partial $len
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'
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test_expect_success 'catch attempt to copy missing data' '
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printf "SVNQ%b%b%s%b%s" "QQ\002\002\001" "\0201\0201" "X" \
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"QQQQ\002" "YZ" |
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q_to_nul >copy.incomplete &&
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len=$(wc -c <copy.incomplete) &&
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test_must_fail test-svn-fe -d preimage copy.incomplete $len
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'
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2010-12-25 12:11:32 +01:00
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test_done
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