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Make sure Enso FrameDescriptors have non-null default value (#6977)
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engine/runtime-with-polyglot/src/test/java/org/enso/interpreter/test/InsightForEnsoTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package org.enso.interpreter.test; | ||
|
|
||
| import java.io.ByteArrayOutputStream; | ||
| import java.io.OutputStream; | ||
| import java.nio.file.Paths; | ||
| import java.util.Map; | ||
| import java.util.function.Function; | ||
| import org.enso.polyglot.RuntimeOptions; | ||
| import org.graalvm.polyglot.Context; | ||
| import org.graalvm.polyglot.Language; | ||
| import org.graalvm.polyglot.Source; | ||
| import org.junit.After; | ||
| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertNotEquals; | ||
| import static org.junit.Assert.assertNotNull; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
|
|
||
| public class InsightForEnsoTest { | ||
| private Context ctx; | ||
| private AutoCloseable insightHandle; | ||
| private final ByteArrayOutputStream out = new ByteArrayOutputStream(); | ||
|
|
||
| @Before | ||
| public void initContext() throws Exception { | ||
| this.ctx = Context.newBuilder() | ||
| .allowExperimentalOptions(true) | ||
| .option( | ||
| RuntimeOptions.LANGUAGE_HOME_OVERRIDE, | ||
| Paths.get("../../distribution/component").toFile().getAbsolutePath() | ||
| ) | ||
| .logHandler(OutputStream.nullOutputStream()) | ||
| .allowExperimentalOptions(true) | ||
| .allowIO(true) | ||
| .out(out) | ||
| .allowAllAccess(true) | ||
| .build(); | ||
|
|
||
| var engine = ctx.getEngine(); | ||
| Map<String, Language> langs = engine.getLanguages(); | ||
| assertNotNull("Enso found: " + langs, langs.get("enso")); | ||
|
|
||
| @SuppressWarnings("unchecked") | ||
| var fn = (Function<Source,AutoCloseable>) engine.getInstruments().get("insight").lookup(Function.class); | ||
| assertNotNull(fn); | ||
|
|
||
| var insightScript = Source.newBuilder("js", """ | ||
| insight.on('enter', (ctx, frame) => { | ||
| print(`${ctx.name} at ${ctx.source.name}:${ctx.line}:`); | ||
| let dump = ""; | ||
| for (let p in frame) { | ||
| dump += ` ${p}=${frame[p]}`; | ||
| } | ||
| print(dump); | ||
| }, { | ||
| roots : true | ||
| }); | ||
| """, "trace.js").build(); | ||
| this.insightHandle = fn.apply(insightScript); | ||
| } | ||
|
|
||
| @After | ||
| public void disposeContext() throws Exception { | ||
| this.insightHandle.close(); | ||
| this.ctx.close(); | ||
| } | ||
|
|
||
| @Test | ||
| public void computeFactorial() throws Exception { | ||
| var code = Source.newBuilder("enso", """ | ||
| fac n = | ||
| acc n v = if n <= 1 then v else | ||
| @Tail_Call acc n-1 n*v | ||
| acc n 1 | ||
| """, "factorial.enso").build(); | ||
|
|
||
| var m = ctx.eval(code); | ||
| var fac = m.invokeMember("eval_expression", "fac"); | ||
| var res = fac.execute(5); | ||
| assertEquals(120, res.asInt()); | ||
|
|
||
| var msgs = out.toString(); | ||
| assertNotEquals("Step one: " + msgs, -1, msgs.indexOf("n=5 v=1 acc=function")); | ||
| assertNotEquals("Step two: " + msgs, -1, msgs.indexOf("n=4 v=5 acc=function")); | ||
| assertNotEquals("3rd step: " + msgs, -1, msgs.indexOf("n=3 v=20 acc=function")); | ||
| assertNotEquals("4th step: " + msgs, -1, msgs.indexOf("n=2 v=60 acc=function")); | ||
|
|
||
| assertNotEquals( | ||
| "Uninitialized variables are seen as JavaScript null: " + msgs, | ||
| -1, msgs.indexOf("n=null v=null acc=function") | ||
| ); | ||
| } | ||
| } |
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