package org.oxerr.commons.ws.rs.provider;
   
   import static org.junit.jupiter.api.Assertions.assertEquals;
   import static org.junit.jupiter.api.Assertions.assertNull;
   import static org.junit.jupiter.api.Assertions.assertThrows;
   
   import java.time.Instant;
   
   import javax.ws.rs.ProcessingException;
  import javax.ws.rs.ext.ParamConverter;
  
  import org.junit.jupiter.api.Test;
  
  class InstantProviderTest {
  
  	private final InstantProvider instantProvider = new InstantProvider();
  
  	@Test
  	void testUnsupportedRawType() {
  		// Unsupported raw type
  		assertNull(this.instantProvider.getConverter(String.class, null, null));
  	}
  
  	@Test
  	void testFromString() {
  		ParamConverter<Instant> c = this.instantProvider.getConverter(Instant.class, getClass(), null);
  
  		// null string
  		assertThrows(IllegalArgumentException.class, () -> c.fromString(null));
  
  		// empty string
  		assertThrows(ProcessingException.class, () -> c.fromString(""));
  
  		// epoch
  		assertEquals(Instant.EPOCH, c.fromString("0"));
  		assertEquals(Instant.EPOCH, c.fromString("1970-01-01T00:00:00Z"));
  
  		// min
  		assertEquals(Instant.MIN, c.fromString("-31557014167219200"));
  		assertEquals(Instant.MIN, c.fromString("-1000000000-01-01T00:00:00Z"));
  
  		// max
  		assertEquals(Instant.MAX, c.fromString("31556889864403199.999999999"));
  		assertEquals(Instant.MAX, c.fromString("+1000000000-12-31T23:59:59.999999999Z"));
  	}
  
  	@Test
  	void testToString() {
  		ParamConverter<Instant> c = this.instantProvider.getConverter(Instant.class, getClass(), null);
  
  		// null
  		assertThrows(IllegalArgumentException.class, () -> c.toString(null));
  
  		// epoch
  		assertEquals("1970-01-01T00:00:00Z", c.toString(Instant.EPOCH));
  
  		// min
  		assertEquals("-1000000000-01-01T00:00:00Z", c.toString(Instant.MIN));
  
  		// max
  		assertEquals("+1000000000-12-31T23:59:59.999999999Z", c.toString(Instant.MAX));
  	}
  
  }