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tests: add option processing tests for 'expr'

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* tests/misc/expr: Add tests for various combinations
of options where the first part of the expression
could be confused with an option.
This commit is contained in:
Pádraig Brady
2008-10-15 15:01:43 +01:00
committed by Jim Meyering
parent 4fb3704c25
commit 7eb3aab88b
1 changed files with 9 additions and 2 deletions
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11
tests/misc/expr
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@@ -39,6 +39,15 @@ my @Tests =
['f', '3 + -2', {OUT => '1'}],
['g', '-2 + -2', {OUT => '-4'}],
# Verify option processing.
# Added when option processing broke in the 7.0 beta release
['opt1', '-- -11 + 12', {OUT => '1'}],
['opt2', '-11 + 12', {OUT => '1'}],
['opt3', '-- -1 + 2', {OUT => '1'}],
['opt4', '-1 + 2', {OUT => '1'}],
# This evoked a syntax error diagnostic before 2.0.12.
['opt5', '-- 2 + 2', {OUT => '4'}],
['paren1', '\( 100 % 6 \)', {OUT => '4'}],
['paren2', '\( 100 % 6 \) - 8', {OUT => '-4'}],
['paren3', '9 / \( 100 % 6 \) - 8', {OUT => '-6'}],
@@ -59,8 +68,6 @@ my @Tests =
# In 5.1.3 and earlier, this would output the empty string.
['orempty', '"" \| ""', {OUT => '0'}, {EXIT => 1}],
# This evoked a syntax error diagnostic before 2.0.12.
['minus2', '-- 2 + 2', {OUT => '4'}],
# This erroneously succeeded and output `3' before 2.0.12.
['fail-a', '3 + -', {ERR => "$prog: non-numeric argument\n"},