ojluni/src/test/java/time/test/java/time/TestInstant.java

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/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file:
 *
 * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
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package test.java.time;

import java.time.Instant;

import org.testng.annotations.Test;
import org.testng.annotations.DataProvider;
import static org.testng.Assert.assertEquals;

/**
 * Test Instant.
 */
@Test
public class TestInstant extends AbstractTest {

    @Test
    public void test_immutable() {
        assertImmutable(Instant.class);
    }

    @DataProvider(name="sampleEpochMillis")
    private Object[][] provider_sampleEpochMillis() {
        return new Object[][] {
            {"Long.MAX_VALUE", Long.MAX_VALUE},
            {"Long.MAX_VALUE-1", Long.MAX_VALUE - 1},
            {"1", 1L},
            {"0", 0L},
            {"-1", -1L},
            {"Long.MIN_VALUE+1", Long.MIN_VALUE + 1},
            {"Long.MIN_VALUE", Long.MIN_VALUE}
        };
    }

    @Test(dataProvider="sampleEpochMillis")
    public void test_epochMillis(String name, long millis) {
        Instant t1 = Instant.ofEpochMilli(millis);
        long m = t1.toEpochMilli();
        assertEquals(millis, m, name);
    }

}