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Tests: Added test for trivial but non-empty grammar

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This commit is contained in:
Paul Beckingham 2015-12-22 09:48:53 -05:00
parent 59e2b7911b
commit 18186de479
1 changed files with 14 additions and 2 deletions
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16
test/grammar.t.cpp
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@ -31,11 +31,10 @@
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
int main (int, char**) int main (int, char**)
{ {
UnitTest t (3); UnitTest t (4);
// Test loading from a missing file. // Test loading from a missing file.
Grammar g; Grammar g;
File missing ("/tmp/does/not/exist"); File missing ("/tmp/does/not/exist");
t.ok (! missing.exists (), "Input file does not exist"); t.ok (! missing.exists (), "Input file does not exist");
try try
@ -60,6 +59,19 @@ int main (int, char**)
t.diag (s); t.diag (s);
t.pass ("Grammar::loadFromFile rejected an empty grammar"); t.pass ("Grammar::loadFromFile rejected an empty grammar");
} }
// Test error on non-empty but trivial grammar.
try
{
g.loadFromString ("# Comment\n# comment\n\n\n\n");
t.fail ("Grammar::loadFromFile accepted an empty grammar");
}
catch (std::string s)
{
t.diag (s);
t.pass ("Grammar::loadFromFile rejected an empty grammar");
}
return 0; return 0;
} }