InvariantCausalFilesTest.scala 4.14 KB
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package de.tum.workflows.ltl.tests

import org.scalatest.FlatSpec
import org.scalatest.Matchers._
import org.scalatest.Inspectors._

import de.tum.workflows.foltl.FOLTL._
import de.tum.workflows.Implicits._
import de.tum.workflows.blocks._
import de.tum.workflows.Preconditions
import de.tum.workflows.foltl.FormulaFunctions
import de.tum.workflows.ExampleWorkflows
import de.tum.workflows.toz3.InvariantChecker
import de.tum.workflows.Encoding._
import de.tum.workflows.Utils
import de.tum.workflows.Encoding

import de.tum.workflows.tests.TestUtils._
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import de.tum.workflows.foltl.Properties
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class InvariantCausalFilesTest extends FlatSpec {
  
  "InvariantChecker" should "prove simple causal may things safe" in {
    val name = "tests/simpleChoiceOmittingNoOracle"
    val inv = Forall(List("xt"), genEq("R", List("xt", "st")))
    assert(checkSafeCausal(name, inv))
  }
  
  it should "fail to prove simple causal may things" in {
    val name = "tests/simpleChoiceCausal"
    val inv = Forall(List("xt"), genEq("S", List("xt")))
    assert(!checkSafeCausal(name, inv))
  }
  
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  it should "fail to prove conference_linear_small" in {
    val name = "tests/conference_linear_small"
    val xt = Var("xt","X")
    val yt = Var("yt","X")
    val pt = Var("pt","P")
    val inv = Forall(List(xt, pt, yt), genEq("Comm", List(xt, yt, pt)))
    assert(!checkSafeCausal(name, inv))
  }
  
//  it should "fail to prove conference_linear_small with informedness inv" in {
//    val name = "tests/conference_linear_small"
//    val xt = Var("xt","X")
//    val inv = Forall(List(xt), Neg(Fun(Properties.INFNAME, Some("t1"), List(xt))))
//    assert(!checkSafeCausal(name, inv))
//  }
  
  it should "prove conference_linear_small with trivial inv 1" in {
    val name = "tests/conference_linear_small"
    val xt = Var("xt","X")
    val pt = Var("pt","P")
    val rt = Var("rt", "R")
    val inv = Forall(List(xt, pt), genEq("Conf", List(xt,pt)))
    assert(checkSafeCausal(name, inv))
  }
  
  it should "prove conference_linear_small with trivial inv 2" in {
    val name = "tests/conference_linear_small"
    val xt = Var("xt","X")
    val yt = Var("yt","X")
    val pt = Var("pt","P")
    val rt = Var("rt", "R")
    val inv = Forall(List(xt, yt, pt, rt), genEq("Read", List(yt,pt,rt)))
    assert(!checkSafeCausal(name, inv))
  }
    
  it should "fail to prove conference_linear" in {
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    val name = "nonomitting/conference_linear"
    val xt = Var("xt","X")
    val yt = Var("yt","X")
    val pt = Var("pt","P")
    val inv = Forall(List(xt, pt, yt), genEq("Comm", List(xt, yt, pt)))
    assert(!checkSafeCausal(name, inv))
  }
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  it should "fail to prove conference_linear with elim" in {
    val name = "nonomitting/conference_linear"
    val xt = Var("xt","X")
    val yt = Var("yt","X")
    val pt = Var("pt","P")
    val inv = Forall(List(xt, pt, yt), genEq("Comm", List(xt, yt, pt)))
    assert(!checkSafeCausalElim(name, inv))
  }
  
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  it should "fail to prove nonomitting/conference" in {
    val name = "nonomitting/conference"
    val xt = Var("xat","X")
    val yt = Var("xbt","X")
    val pt = Var("pt","P")
    val rt = Var("rt","R")
    val inv = Forall(List(xt, pt, yt, rt), genEq("Read", List(xt, yt, pt, rt)))
    assert(!checkSafeCausal(name, inv))
  }
  
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  // HEAP SPACE
  it should "fail to prove nonomitting/conference with elim" ignore {
    val name = "nonomitting/conference"
    val xt = Var("xat","X")
    val yt = Var("xbt","X")
    val pt = Var("pt","P")
    val rt = Var("rt","R")
    val inv = Forall(List(xt, pt, yt, rt), genEq("Read", List(xt, yt, pt, rt)))
    assert(!checkSafeCausalElim(name, inv))
  }
  
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  it should "fail to prove omitting/conference" in {
    val name = "omitting/conference"
    val xt = Var("xat","X")
    val pt = Var("pt","P")
    val rt = Var("rt","R")
    val inv = Forall(List(xt, pt), genEq("Read", List(xt, pt, rt)))
    assert(!checkSafeCausal(name, inv))
  }
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  it should "fail to prove omitting/conference with elim" in {
    val name = "omitting/conference"
    val xt = Var("xat","X")
    val pt = Var("pt","P")
    val rt = Var("rt","R")
    val inv = Forall(List(xt, pt), genEq("Read", List(xt, pt, rt)))
    assert(!checkSafeCausalElim(name, inv))
  }
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}