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| package com.ides_lang.test.syntax | |
| import com.ides_lang.syntax._ | |
| import com.ides_lang.test.IdesSpec | |
| import org.scalatest._ | |
| /** | |
| * Created by sedwards on 8/31/14. | |
| */ | |
| class SyntaxSpec extends IdesSpec { | |
| describe("The parser") { | |
| describe("when parsing variables") { | |
| val varTypes = Seq("val", "var") | |
| val vtr = Map("val" -> ValDecl, "var" -> VarDecl) | |
| varTypes.map { vt => | |
| describe(s"${vt}s") { | |
| it("should parse type inference") { | |
| assertParseResult(s"$vt x = y", vtr(vt)(QualExpr.None, Name("x"), None, Some(Ident("y")))) | |
| } | |
| it("should parse type specification") { | |
| assertParseResult(s"$vt x : y", vtr(vt)(QualExpr.None, Name("x"), Some(Name("y")), None)) | |
| } | |
| it("should parse type+initializer specification") { | |
| assertParseResult(s"$vt x : y = z", vtr(vt)(QualExpr.None, Name("x"), Some(Name("y")), Some(Ident("z")))) | |
| } | |
| it("should fail parsing on syntax error") { | |
| val source = Parser.parseFile(s"$vt {}") | |
| assert(source match { | |
| case s: Parser.Error => true | |
| case _ => false | |
| }) | |
| } | |
| describe("qualifier parsers") { | |
| val quals = Seq("public", "private", "protected", "internal") | |
| val qualVals = Map("public" -> QualExpr.Public, "private" -> QualExpr.Private, "protected" -> QualExpr.Protected, "internal" -> QualExpr.Internal) | |
| quals.map { qual => | |
| it(s"should parse $qual qualifier") { | |
| assertParseResult(s"$qual $vt x", vtr(vt)(qualVals(qual), Name("x"), None, None)) | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| describe ("when parsing functions") { | |
| it("should parse a basic function") { | |
| assertParseResult("def f = x", FnDecl(QualExpr.None, Name("f"), ExprList(), None, Some(Ident("x")))) | |
| } | |
| it ("should parse a function with an argument") { | |
| assertParseResult("def f(x: Y) = z", FnDecl(QualExpr.None, Name("f"), ExprList( | |
| ArgDecl(QualExpr.None, Ident("x"), Some(Name("Y")), None) | |
| ), None, Some(Ident("z")))) | |
| } | |
| it("should parse a function with a return type") { | |
| assertParseResult("def f : X = y", FnDecl(QualExpr.None, Name("f"), ExprList(), Some(Name("X")), Some(Ident("y")))) | |
| } | |
| } | |
| } | |
| } |
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