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I've skipped treating overflows as warnings, as ++ wrapping around at 0 doesn't currently trigger a runtime error and might be expected to be quiet and silently wrap. Closes #2486
36 lines
964 B
Text
36 lines
964 B
Text
# @TEST-EXEC: zeek -b %INPUT >out
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# @TEST-EXEC: btest-diff out
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# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-remove-abspath btest-diff .stderr
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global count_max: count = 0xffffffffffffffff;
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event zeek_init()
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{
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local c1 = 0;
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--c1;
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print fmt("local c1 = 0; --c1; c1 == %s; %s", c1, c1 == count_max);
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local c2 = 0;
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c2 -= 1;
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print fmt("local c2 = 0; c2 -= 1; c2 == %s; %s", c2, c2 == count_max);
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local c3 = 0;
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c3 = c3 - 1;
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print fmt("local c3 = 0; c3 = c3 - 1; c3 == %s; %s", c3, c3 == count_max);
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# This also triggers a warning now;
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print "1 - 2", 1 - 2;
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# The following ones all overflow back to 0, but do not log a warning.
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local c4 = count_max;
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++c4;
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print fmt("local c4 = count_max; ++c4; c4 == %s; %s", c4, c4 == 0);
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local c5 = count_max;
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c5 += 1;
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print fmt("local c5 = count_max; c5 += 1; c5 == %s; %s", c5, c5 == 0);
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local c6 = count_max;
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c6 = c6 + 1;
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print fmt("local c6 = count_max; c6 = c6 + 1; c6 == %s; %s", c6, c6 == 0);
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}
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