package com.ankurm.vthreads;

import org.junit.jupiter.api.Test;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * Confirms the finalized JDK 25 ScopedValue API (JEP 506) compiles and runs with no
 * --enable-preview flag, and that ScopedValue.where(...).call(...) actually threads the value
 * through to a method called from inside the scope. Output:
 * docs/output/03c-scoped-value-finalized.txt.
 */
class ScopedValueTest {

    @Test
    void whereRunThreadsContextThroughToCalledMethod() {
        Transcript t = Transcript.start("03c-scoped-value-finalized.txt",
                "ScopedValue (JEP 506, finalized JDK 25), JDK " + System.getProperty("java.version"));

        String result = ScopedValueDemo.runWithContext("req-42");
        t.line("ScopedValue.where(CTX, ctx).call(ScopedValueDemo::processRequest) -> " + result);
        t.line("no --enable-preview flag used on this run");
        t.save();

        assertThat(result).isEqualTo("handled req-42");
    }
}