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* Finished try/except statements

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git-svn-id: trunk@22088 -
This commit is contained in:
michael 2012-08-15 15:02:05 +00:00
parent f14e038172
commit 9af6f49c02
1 changed files with 132 additions and 0 deletions
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132
packages/fcl-passrc/tests/tcstatements.pas
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@ -78,9 +78,12 @@ Type
Procedure TestTryFinallyEmpty;
Procedure TestTryFinallyNested;
procedure TestTryExcept;
procedure TestTryExceptNested;
procedure TestTryExceptEmpty;
Procedure TestTryExceptOn;
Procedure TestTryExceptOn2;
Procedure TestTryExceptOnElse;
Procedure TestTryExceptOnIfElse;
end;
implementation
@ -1085,6 +1088,48 @@ begin
AssertExpression('DoSomethingElse call',S.Expr,pekIdent,'DoSomethingElse');
end;
procedure TTestStatementParser.TestTryExceptNested;
Var
T : TPasImplTry;
S : TPasImplSimple;
E : TPasImplTryExcept;
begin
TestStatement(['Try',' DoSomething1;',' try',' DoSomething2;',' except',' DoSomethingElse2',' end','except',' DoSomethingElse1','end']);
T:=AssertStatement('Try statement',TPasImplTry) as TPasImplTry;
AssertEquals(2,T.Elements.Count);
AssertNotNull(T.FinallyExcept);
AssertNull(T.ElseBranch);
AssertNotNull(T.Elements[0]);
AssertEquals('Simple statement',TPasImplSimple,TPasElement(T.Elements[0]).ClassType);
S:=TPasImplSimple(T.Elements[0]);
AssertExpression('DoSomething call',S.Expr,pekIdent,'DoSomething1');
AssertEquals('Simple statement',TPasImplSimple,TPasElement(T.Elements[0]).ClassType);
AssertEquals('Except statement',TPasImplTryExcept,T.FinallyExcept.ClassType);
E:=TPasImplTryExcept(T.FinallyExcept);
AssertEquals(1,E.Elements.Count);
AssertEquals('Simple statement',TPasImplSimple,TPasElement(E.Elements[0]).ClassType);
S:=TPasImplSimple(E.Elements[0]);
AssertExpression('DoSomethingElse call',S.Expr,pekIdent,'DoSomethingElse1');
AssertNotNull(T.Elements[1]);
AssertEquals('Simple statement',TPasImplTry,TPasElement(T.Elements[1]).ClassType);
T:=TPasImplTry(T.Elements[1]);
AssertEquals(1,T.Elements.Count);
AssertNotNull(T.FinallyExcept);
AssertNull(T.ElseBranch);
AssertNotNull(T.Elements[0]);
AssertEquals('Simple statement 2',TPasImplSimple,TPasElement(T.Elements[0]).ClassType);
S:=TPasImplSimple(T.Elements[0]);
AssertExpression('DoSomething2 call ',S.Expr,pekIdent,'DoSomething2');
AssertEquals('Simple statement2',TPasImplSimple,TPasElement(T.Elements[0]).ClassType);
AssertEquals('Except statement2',TPasImplTryExcept,T.FinallyExcept.ClassType);
E:=TPasImplTryExcept(T.FinallyExcept);
AssertEquals(1,E.Elements.Count);
AssertEquals('Simple statement2',TPasImplSimple,TPasElement(E.Elements[0]).ClassType);
S:=TPasImplSimple(E.Elements[0]);
AssertExpression('DoSomethingElse2 call',S.Expr,pekIdent,'DoSomethingElse2');
end;
procedure TTestStatementParser.TestTryExceptEmpty;
Var
@ -1181,6 +1226,93 @@ begin
AssertExpression('DoSomethingElse call',S.Expr,pekIdent,'DoSomethingElse2');
end;
procedure TTestStatementParser.TestTryExceptOnElse;
Var
T : TPasImplTry;
S : TPasImplSimple;
E : TPasImplTryExcept;
O : TPasImplExceptOn;
EE : TPasImplTryExceptElse;
I : TPasImplIfElse;
begin
DeclareVar('Boolean','b');
// Check that Else belongs to Except, not to IF
TestStatement(['Try',' DoSomething;','except','On E : Exception do','if b then','DoSomethingElse;','else','DoSomethingMore;','end']);
T:=AssertStatement('Try statement',TPasImplTry) as TPasImplTry;
AssertEquals(1,T.Elements.Count);
AssertNotNull(T.FinallyExcept);
AssertNotNull(T.ElseBranch);
AssertNotNull(T.Elements[0]);
AssertEquals('Simple statement',TPasImplSimple,TPasElement(T.Elements[0]).ClassType);
S:=TPasImplSimple(T.Elements[0]);
AssertExpression('DoSomething call',S.Expr,pekIdent,'DoSomething');
AssertEquals('Simple statement',TPasImplSimple,TPasElement(T.Elements[0]).ClassType);
AssertEquals('Except statement',TPasImplTryExcept,T.FinallyExcept.ClassType);
E:=TPasImplTryExcept(T.FinallyExcept);
AssertEquals(1,E.Elements.Count);
AssertEquals('Except on handler',TPasImplExceptOn,TPasElement(E.Elements[0]).ClassType);
O:=TPasImplExceptOn(E.Elements[0]);
AssertExpression('Exception Variable name',O.VarExpr,pekIdent,'E');
AssertExpression('Exception Type name',O.TypeExpr,pekIdent,'Exception');
AssertEquals(1,O.Elements.Count);
AssertEquals('Simple statement',TPasImplIfElse,TPasElement(O.Elements[0]).ClassType);
I:=TPasImplIfElse(O.Elements[0]);
AssertEquals(1,I.Elements.Count);
AssertNull('No else barcnh for if',I.ElseBranch);
AssertEquals('Simple statement',TPasImplSimple,TPasElement(I.Elements[0]).ClassType);
S:=TPasImplSimple(I.Elements[0]);
AssertExpression('DoSomethingElse call',S.Expr,pekIdent,'DoSomethingElse');
AssertEquals('Except Else statement',TPasImplTryExceptElse,T.ElseBranch.ClassType);
EE:=TPasImplTryExceptElse(T.ElseBranch);
AssertEquals(1,EE.Elements.Count);
AssertNotNull(EE.Elements[0]);
AssertEquals('Simple statement',TPasImplSimple,TPasElement(EE.Elements[0]).ClassType);
S:=TPasImplSimple(EE.Elements[0]);
AssertExpression('DoSomething call',S.Expr,pekIdent,'DoSomethingMore');
end;
procedure TTestStatementParser.TestTryExceptOnIfElse;
Var
T : TPasImplTry;
S : TPasImplSimple;
E : TPasImplTryExcept;
O : TPasImplExceptOn;
EE : TPasImplTryExceptElse;
I : TPasImplIfElse;
begin
TestStatement(['Try',' DoSomething;','except','On E : Exception do','DoSomethingElse;','else','DoSomethingMore;','end']);
T:=AssertStatement('Try statement',TPasImplTry) as TPasImplTry;
AssertEquals(1,T.Elements.Count);
AssertNotNull(T.FinallyExcept);
AssertNotNull(T.ElseBranch);
AssertNotNull(T.Elements[0]);
AssertEquals('Simple statement',TPasImplSimple,TPasElement(T.Elements[0]).ClassType);
S:=TPasImplSimple(T.Elements[0]);
AssertExpression('DoSomething call',S.Expr,pekIdent,'DoSomething');
AssertEquals('Simple statement',TPasImplSimple,TPasElement(T.Elements[0]).ClassType);
AssertEquals('Except statement',TPasImplTryExcept,T.FinallyExcept.ClassType);
E:=TPasImplTryExcept(T.FinallyExcept);
AssertEquals(1,E.Elements.Count);
AssertEquals('Except on handler',TPasImplExceptOn,TPasElement(E.Elements[0]).ClassType);
O:=TPasImplExceptOn(E.Elements[0]);
AssertExpression('Exception Variable name',O.VarExpr,pekIdent,'E');
AssertExpression('Exception Type name',O.TypeExpr,pekIdent,'Exception');
AssertEquals(1,O.Elements.Count);
AssertEquals('Simple statement',TPasImplSimple,TPasElement(O.Elements[0]).ClassType);
S:=TPasImplSimple(O.Elements[0]);
AssertExpression('DoSomethingElse call',S.Expr,pekIdent,'DoSomethingElse');
AssertEquals('Except Else statement',TPasImplTryExceptElse,T.ElseBranch.ClassType);
EE:=TPasImplTryExceptElse(T.ElseBranch);
AssertEquals(1,EE.Elements.Count);
AssertNotNull(EE.Elements[0]);
AssertEquals('Simple statement',TPasImplSimple,TPasElement(EE.Elements[0]).ClassType);
S:=TPasImplSimple(EE.Elements[0]);
AssertExpression('DoSomething call',S.Expr,pekIdent,'DoSomethingMore');
end;
initialization
RegisterTests([TTestStatementParser]);