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subprojects/common/grammar/src/test/java/hu/bme/mit/theta/grammar/gson/TestGson.kt
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| /* | ||
| * Copyright 2023 Budapest University of Technology and Economics | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package hu.bme.mit.theta.grammar.gson | ||
|
|
||
| import com.google.gson.Gson | ||
| import com.google.gson.GsonBuilder | ||
| import com.google.gson.TypeAdapter | ||
| import com.google.gson.reflect.TypeToken | ||
| import com.google.gson.stream.JsonReader | ||
| import com.google.gson.stream.JsonWriter | ||
| import hu.bme.mit.theta.analysis.PartialOrd | ||
| import hu.bme.mit.theta.analysis.Trace | ||
| import hu.bme.mit.theta.analysis.algorithm.ARG | ||
| import hu.bme.mit.theta.analysis.algorithm.SafetyResult | ||
| import hu.bme.mit.theta.analysis.expl.ExplOrd | ||
| import hu.bme.mit.theta.analysis.expl.ExplState | ||
| import hu.bme.mit.theta.analysis.expr.StmtAction | ||
| import hu.bme.mit.theta.analysis.pred.PredState | ||
| import hu.bme.mit.theta.common.dsl.Env | ||
| import hu.bme.mit.theta.common.dsl.SymbolTable | ||
| import hu.bme.mit.theta.core.decl.Decls.Var | ||
| import hu.bme.mit.theta.core.decl.VarDecl | ||
| import hu.bme.mit.theta.core.model.ImmutableValuation | ||
| import hu.bme.mit.theta.core.stmt.SkipStmt | ||
| import hu.bme.mit.theta.core.stmt.Stmt | ||
| import hu.bme.mit.theta.core.stmt.Stmts.Havoc | ||
| import hu.bme.mit.theta.core.type.Expr | ||
| import hu.bme.mit.theta.core.type.inttype.IntExprs.Int | ||
| import hu.bme.mit.theta.core.utils.indexings.BasicVarIndexing | ||
| import hu.bme.mit.theta.core.utils.indexings.VarIndexing | ||
| import hu.bme.mit.theta.grammar.dsl.ExprTest | ||
| import hu.bme.mit.theta.grammar.dsl.SimpleScope | ||
| import hu.bme.mit.theta.grammar.dsl.expr.ExpressionWrapper | ||
| import hu.bme.mit.theta.grammar.dsl.stmt.StatementWrapper | ||
| import hu.bme.mit.theta.grammar.dsl.type.TypeWrapper | ||
| import org.junit.jupiter.api.Assertions | ||
| import org.junit.jupiter.api.Test | ||
| import java.lang.reflect.Type | ||
| import java.util.* | ||
|
|
||
| class TestGson { | ||
|
|
||
| companion object { | ||
| private fun explArgAdapterHelper(): Type = | ||
| TypeToken.getParameterized( | ||
| TypeToken.get(ArgAdapterHelper::class.java).type, | ||
| TypeToken.get(ExplState::class.java).type, | ||
| TypeToken.get(SimpleStmtAction::class.java).type, | ||
| ).type | ||
|
|
||
| private fun explArgHelper(): Type = | ||
| TypeToken.getParameterized( | ||
| TypeToken.get(ARG::class.java).type, | ||
| TypeToken.get(ExplState::class.java).type, | ||
| TypeToken.get(SimpleStmtAction::class.java).type, | ||
| ).type | ||
|
|
||
| private fun explTraceHelper() = | ||
| TypeToken.getParameterized( | ||
| TypeToken.get(Trace::class.java).type, | ||
| TypeToken.get(ExplState::class.java).type, | ||
| TypeToken.get(SimpleStmtAction::class.java).type, | ||
| ).type | ||
|
|
||
| private fun predArgAdapterHelper(): Type = | ||
| TypeToken.getParameterized( | ||
| TypeToken.get(ArgAdapterHelper::class.java).type, | ||
| TypeToken.get(PredState::class.java).type, | ||
| TypeToken.get(SimpleStmtAction::class.java).type, | ||
| ).type | ||
|
|
||
| private fun predArgHelper(): Type = | ||
| TypeToken.getParameterized( | ||
| TypeToken.get(ARG::class.java).type, | ||
| TypeToken.get(PredState::class.java).type, | ||
| TypeToken.get(SimpleStmtAction::class.java).type, | ||
| ).type | ||
|
|
||
| private fun predTraceHelper() = | ||
| TypeToken.getParameterized( | ||
| TypeToken.get(Trace::class.java).type, | ||
| TypeToken.get(PredState::class.java).type, | ||
| TypeToken.get(SimpleStmtAction::class.java).type, | ||
| ).type | ||
|
|
||
| private fun getExplBuilder(gsonSuppl: () -> Gson): GsonBuilder { | ||
| val gsonBuilder = GsonBuilder() | ||
|
|
||
| gsonBuilder.registerTypeHierarchyAdapter(ARG::class.java, ArgAdapter( gsonSuppl, { ExplOrd.getInstance() }, { explArgAdapterHelper() })) | ||
| gsonBuilder.registerTypeHierarchyAdapter(Trace::class.java, TraceAdapter(gsonSuppl, { ExplState::class.java }, SimpleStmtAction::class.java)) | ||
| gsonBuilder.registerTypeHierarchyAdapter(SafetyResult::class.java, | ||
| SafetyResultAdapter(gsonSuppl, { explArgHelper() }, { explTraceHelper() })) | ||
|
|
||
| return gsonBuilder | ||
| } | ||
|
|
||
| private fun getPredBuilder(gsonSuppl: () -> Gson): GsonBuilder { | ||
| val gsonBuilder = GsonBuilder() | ||
|
|
||
| gsonBuilder.registerTypeHierarchyAdapter(ARG::class.java, ArgAdapter( gsonSuppl, { PartialOrd<PredState>{ a, b -> true} }, { predArgAdapterHelper() })) | ||
| gsonBuilder.registerTypeHierarchyAdapter(Trace::class.java, TraceAdapter(gsonSuppl, { PredState::class.java }, SimpleStmtAction::class.java)) | ||
| gsonBuilder.registerTypeHierarchyAdapter(SafetyResult::class.java, | ||
| SafetyResultAdapter(gsonSuppl, { predArgHelper() }, { predTraceHelper() })) | ||
|
|
||
| return gsonBuilder | ||
| } | ||
|
|
||
| val x = Var("x", Int()) | ||
| private fun getGson(gsonBuilder: GsonBuilder, gsonSuppl: () -> Gson): Gson { | ||
| val symbolTable = SymbolTable() | ||
| val symbol = ExprTest.NamedSymbol(x.name) | ||
| symbolTable.add(symbol) | ||
| val scope = SimpleScope(symbolTable) | ||
| val env = Env() | ||
| env.define(symbol, x) | ||
|
|
||
| gsonBuilder.registerTypeHierarchyAdapter(VarDecl::class.java, | ||
| VarDeclAdapter(gsonSuppl, scope, env, false)) | ||
| gsonBuilder.registerTypeHierarchyAdapter(Stmt::class.java, | ||
| StringTypeAdapter { StatementWrapper(it, scope).instantiate(env) }) | ||
| gsonBuilder.registerTypeHierarchyAdapter(Expr::class.java, | ||
| StringTypeAdapter { ExpressionWrapper(scope, it).instantiate(env) }) | ||
| gsonBuilder.registerTypeHierarchyAdapter(hu.bme.mit.theta.core.type.Type::class.java, | ||
| StringTypeAdapter { TypeWrapper(it).instantiate() }) | ||
| gsonBuilder.registerTypeHierarchyAdapter(VarIndexing::class.java, | ||
| StringTypeAdapter { BasicVarIndexing.fromString(it, scope, env) }) | ||
| gsonBuilder.registerTypeHierarchyAdapter(ExplState::class.java, ExplStateAdapter(scope, env)) | ||
| gsonBuilder.registerTypeHierarchyAdapter(PredState::class.java, | ||
| PredStateAdapter(gsonSuppl, scope, env)) | ||
| gsonBuilder.registerTypeHierarchyAdapter(Pair::class.java, PairAdapter<Any, Any>(gsonSuppl)) | ||
| gsonBuilder.registerTypeHierarchyAdapter(Triple::class.java, TripleAdapter<Any, Any, Any>(gsonSuppl)) | ||
| gsonBuilder.registerTypeHierarchyAdapter(Optional::class.java, OptionalAdapter<Any>(gsonSuppl)) | ||
|
|
||
| gsonBuilder.registerTypeAdapter(SimpleStmtAction::class.java, SimpleStmtActionAdapter(gsonSuppl)) | ||
|
|
||
| return gsonBuilder.create() | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| fun testExplArgAdapter() { | ||
| lateinit var gson: Gson; | ||
| gson = getGson(getExplBuilder { gson }) { gson } | ||
|
|
||
| val arg = ARG.create<ExplState, StmtAction>(ExplOrd.getInstance()) | ||
|
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| val initNode = arg.createInitNode(ExplState.bottom(), false) | ||
| val otherNode = arg.createSuccNode(initNode, SimpleStmtAction(SkipStmt.getInstance()), ExplState.top(), false) | ||
|
|
||
| val serialized = gson.toJson(arg) | ||
| val parsedBack = gson.fromJson(serialized, ARG::class.java) | ||
| Assertions.assertEquals(arg.initNodes.count(), parsedBack.initNodes.count()) | ||
| Assertions.assertEquals(arg.nodes.count(), parsedBack.nodes.count()) | ||
| } | ||
|
|
||
| @Test | ||
| fun testPredArgAdapter() { | ||
| lateinit var gson: Gson; | ||
| gson = getGson(getPredBuilder { gson }) { gson } | ||
|
|
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| val arg = ARG.create<PredState, StmtAction> { _, _ -> false } | ||
|
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| val initNode = arg.createInitNode(PredState.bottom(), false) | ||
| val otherNode = arg.createSuccNode(initNode, SimpleStmtAction(Havoc(x)), PredState.of(), false) | ||
|
|
||
| val serialized = gson.toJson(arg) | ||
| val parsedBack = gson.fromJson(serialized, ARG::class.java) | ||
| Assertions.assertEquals(arg.initNodes.count(), parsedBack.initNodes.count()) | ||
| Assertions.assertEquals(arg.nodes.count(), parsedBack.nodes.count()) | ||
| } | ||
|
|
||
| @Test | ||
| fun testExplTrace() { | ||
| lateinit var gson: Gson; | ||
| gson = getGson(getExplBuilder { gson }) { gson } | ||
|
|
||
| val trace = Trace.of( | ||
| listOf(ExplState.of(ImmutableValuation.builder().put(x, Int(1)).build()), ExplState.of(ImmutableValuation.builder().put(x, Int(2)).build())), | ||
| listOf(SimpleStmtAction(SkipStmt.getInstance())) | ||
| ) | ||
|
|
||
| val serialized = gson.toJson(trace) | ||
| val parsedBack = gson.fromJson(serialized, Trace::class.java) | ||
| Assertions.assertEquals(trace.length(), parsedBack.length()) | ||
| } | ||
|
|
||
| @Test | ||
| fun testOther() { | ||
| lateinit var gson: Gson; | ||
| gson = getGson(getPredBuilder { gson }) { gson } | ||
|
|
||
| val pair = Pair("a", "b") | ||
| val triple = Triple("a", "b", "c") | ||
| val opt = Optional.of(pair) | ||
|
|
||
| Assertions.assertEquals(pair, gson.fromJson(gson.toJson(pair), Pair::class.java)) | ||
| Assertions.assertEquals(triple, gson.fromJson(gson.toJson(triple), Triple::class.java)) | ||
| Assertions.assertEquals(opt, gson.fromJson(gson.toJson(opt), Optional::class.java)) | ||
| Assertions.assertEquals(x, gson.fromJson(gson.toJson(x), VarDecl::class.java)) | ||
|
|
||
| } | ||
|
|
||
|
|
||
| class SimpleStmtAction(val stmt: Stmt): StmtAction() { | ||
| override fun getStmts(): List<Stmt> { | ||
| return listOf(stmt); | ||
| } | ||
| } | ||
|
|
||
| class SimpleStmtActionAdapter(val gsonUtils: () -> Gson): TypeAdapter<SimpleStmtAction>() { | ||
|
|
||
| override fun write(out: JsonWriter, value: SimpleStmtAction) { | ||
| gsonUtils().toJson(gsonUtils().toJsonTree(value.stmt, Stmt::class.java), out) | ||
| } | ||
|
|
||
| override fun read(`in`: JsonReader): SimpleStmtAction { | ||
| val stmt = gsonUtils().fromJson<Stmt>(`in`, Stmt::class.java) | ||
| return SimpleStmtAction(stmt) | ||
| } | ||
|
|
||
| } | ||
|
|
||
| } |