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// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Linq;
using ICSharpCode.NRefactory.PatternMatching;
using NUnit.Framework;
namespace ICSharpCode.NRefactory.CSharp.Parser.Statements
{
[TestFixture]
public class VariableDeclarationStatementTests
{
[Test]
public void VariableDeclarationStatementTest()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("int a = 5;");
Assert.AreEqual(1, lvd.Variables.Count());
Assert.AreEqual("a", lvd.Variables.First ().Name);
var type = lvd.Type;
Assert.AreEqual("int", type.ToString ());
Assert.AreEqual(5, ((PrimitiveExpression)lvd.Variables.First ().Initializer).Value);
}
[Test]
public void VoidPointerVariableDeclarationTest()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("void *a;");
Assert.IsTrue(new VariableDeclarationStatement(new PrimitiveType("void").MakePointerType(), "a").IsMatch(lvd));
}
[Test]
public void ComplexGenericVariableDeclarationStatementTest()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("Generic<Namespace.Printable, G<Printable[]> > where = new Generic<Namespace.Printable, G<Printable[]>>();");
AstType type = new SimpleType("Generic") {
TypeArguments = {
new MemberType { Target = new SimpleType("Namespace"), MemberName = "Printable" },
new SimpleType("G") { TypeArguments = { new SimpleType("Printable").MakeArrayType() } }
}};
Assert.IsTrue(new VariableDeclarationStatement(type, "where", new ObjectCreateExpression { Type = type.Clone() }).IsMatch(lvd));
}
[Test]
public void NestedGenericVariableDeclarationStatementTest()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("MyType<string>.InnerClass<int>.InnerInnerClass a;");
AstType type = new MemberType {
Target = new MemberType {
Target = new SimpleType("MyType") { TypeArguments = { new PrimitiveType("string") } },
MemberName = "InnerClass",
TypeArguments = { new PrimitiveType("int") }
},
MemberName = "InnerInnerClass"
};
Assert.IsTrue(new VariableDeclarationStatement(type, "a").IsMatch(lvd));
}
[Test]
public void GenericWithArrayVariableDeclarationStatementTest1()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("G<int>[] a;");
AstType type = new SimpleType("G") {
TypeArguments = { new PrimitiveType("int") }
}.MakeArrayType();
Assert.IsTrue(new VariableDeclarationStatement(type, "a").IsMatch(lvd));
}
[Test]
public void GenericWithArrayVariableDeclarationStatementTest2()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("G<int[]> a;");
AstType type = new SimpleType("G") {
TypeArguments = { new PrimitiveType("int").MakeArrayType() }
};
Assert.IsTrue(new VariableDeclarationStatement(type, "a").IsMatch(lvd));
}
[Test]
public void GenericVariableDeclarationStatementTest2()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("G<G<int> > a;");
AstType type = new SimpleType("G") {
TypeArguments = {
new SimpleType("G") { TypeArguments = { new PrimitiveType("int") } }
}
};
Assert.IsTrue(new VariableDeclarationStatement(type, "a").IsMatch(lvd));
}
[Test]
public void GenericVariableDeclarationStatementTest2WithoutSpace()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("G<G<int>> a;");
AstType type = new SimpleType("G") {
TypeArguments = {
new SimpleType("G") { TypeArguments = { new PrimitiveType("int") } }
}
};
Assert.IsTrue(new VariableDeclarationStatement(type, "a").IsMatch(lvd));
}
[Test]
public void GenericVariableDeclarationStatementTest()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("G<int> a;");
AstType type = new SimpleType("G") {
TypeArguments = { new PrimitiveType("int") }
};
Assert.IsTrue(new VariableDeclarationStatement(type, "a").IsMatch(lvd));
}
[Test]
public void SimpleVariableDeclarationStatementTest()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("MyVar var = new MyVar();");
Assert.IsTrue(new VariableDeclarationStatement(new SimpleType("MyVar"), "var", new ObjectCreateExpression { Type = new SimpleType("MyVar") }).IsMatch(lvd));
}
[Test]
public void SimpleVariableDeclarationStatementTest1()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("yield yield = new yield();");
Assert.IsTrue(new VariableDeclarationStatement(new SimpleType("yield"), "yield", new ObjectCreateExpression { Type = new SimpleType("yield") }).IsMatch(lvd));
}
[Test]
public void NullableVariableDeclarationStatementTest1()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("int? a;");
Assert.IsTrue(new VariableDeclarationStatement(new PrimitiveType("int").MakeNullableType(), "a").IsMatch(lvd));
}
[Test]
public void NullableVariableDeclarationStatementTest2()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("DateTime? a;");
Assert.IsTrue(new VariableDeclarationStatement(new SimpleType("DateTime").MakeNullableType(), "a").IsMatch(lvd));
}
[Test, Ignore("The parser creates nested ComposedTypes while MakeArrayType() adds the specifier to the existing ComposedType")]
public void NullableVariableDeclarationStatementTest3()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("DateTime?[] a;");
Assert.IsTrue(new VariableDeclarationStatement(new SimpleType("DateTime").MakeNullableType().MakeArrayType(), "a").IsMatch(lvd));
}
[Test]
public void NullableVariableDeclarationStatementTest4()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("SomeStruct<int?>? a;");
AstType type = new SimpleType("SomeStruct") {
TypeArguments = { new PrimitiveType("int").MakeNullableType() }
}.MakeNullableType();
Assert.IsTrue(new VariableDeclarationStatement(type, "a").IsMatch(lvd));
}
[Test]
public void PositionTestWithoutModifier()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("\ndouble w = 7;");
Assert.AreEqual(2, lvd.StartLocation.Line);
Assert.AreEqual(1, lvd.StartLocation.Column);
Assert.AreEqual(2, lvd.EndLocation.Line);
Assert.AreEqual(14, lvd.EndLocation.Column);
}
[Test]
public void PositionTestWithModifier()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("\nconst double w = 7;");
Assert.AreEqual(Modifiers.Const, lvd.Modifiers);
Assert.AreEqual(2, lvd.StartLocation.Line);
Assert.AreEqual(1, lvd.StartLocation.Column);
Assert.AreEqual(2, lvd.EndLocation.Line);
Assert.AreEqual(20, lvd.EndLocation.Column);
}
[Test]
public void NestedArray()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("DateTime[,][] a;");
Assert.IsTrue(new VariableDeclarationStatement(new SimpleType("DateTime").MakeArrayType(1).MakeArrayType(2), "a").IsMatch(lvd));
}
[Test]
public void NestedPointers()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("DateTime*** a;");
Assert.IsTrue(new VariableDeclarationStatement(new SimpleType("DateTime").MakePointerType().MakePointerType().MakePointerType(), "a").IsMatch(lvd));
}
[Test, Ignore("The parser creates nested ComposedTypes while MakeArrayType() adds the specifier to the existing ComposedType")]
public void ArrayOfPointers()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("DateTime*[] a;");
Assert.IsTrue(new VariableDeclarationStatement(new SimpleType("DateTime").MakePointerType().MakeArrayType(), "a").IsMatch(lvd));
}
[Test, Ignore("The parser creates nested ComposedTypes while MakeArrayType() adds the specifier to the existing ComposedType")]
public void ArrayOfNullables()
{
VariableDeclarationStatement lvd = ParseUtilCSharp.ParseStatement<VariableDeclarationStatement>("DateTime?[] a;");
Assert.IsTrue(new VariableDeclarationStatement(new SimpleType("DateTime").MakeNullableType().MakeArrayType(), "a").IsMatch(lvd));
}
[Test]
public void Global()
{
ParseUtilCSharp.AssertStatement(
"global::System.String a;",
new VariableDeclarationStatement {
Type = new MemberType {
Target = new MemberType {
Target = new SimpleType("global"),
IsDoubleColon = true,
MemberName = "System"
},
IsDoubleColon = false,
MemberName = "String",
},
Variables = {
new VariableInitializer("a")
}
});
}
[Test]
public void ArrayDeclarationWithInitializer()
{
ParseUtilCSharp.AssertStatement(
"int[] a = { 0 };",
new VariableDeclarationStatement {
Type = new PrimitiveType("int").MakeArrayType(),
Variables = {
new VariableInitializer {
Name = "a",
Initializer = new ArrayInitializerExpression {
Elements = { new PrimitiveExpression(0) }
}
}
}});
}
}
}
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