test/java/time/tck/java/time/TCKLocalDate.java

*** 2155,2164 ****
--- 2155,2188 ----
          assertEquals(LocalDate.of(1970, 1, 1).toEpochDay(), 0);
          assertEquals(LocalDate.of(-1, 12, 31).toEpochDay(), -678942 - 40587);
      }
  
      //-----------------------------------------------------------------------
+     // toEpochSecond
+     //-----------------------------------------------------------------------
+     @DataProvider(name="epochSecond")
+     Object[][] provider_toEpochSecond() {
+         return new Object[][] {
+             {LocalDate.of(1858, 11, 17).toEpochSecond(OFFSET_PONE), -3506720400L},
+             {LocalDate.of(1, 1, 1).toEpochSecond(OFFSET_PONE), -62135600400L},
+             {LocalDate.of(1995, 9, 27).toEpochSecond(OFFSET_PONE), 812156400L},
+             {LocalDate.of(1970, 1, 1).toEpochSecond(OFFSET_PONE), -3600L},
+             {LocalDate.of(-1, 12, 31).toEpochSecond(OFFSET_PONE), -62167309200L},
+             {LocalDate.of(1, 1, 1).toEpochSecond(OFFSET_PONE),
+              Instant.ofEpochSecond(-62135600400L).getEpochSecond()},
+             {LocalDate.of(1995, 9, 27).toEpochSecond(OFFSET_PONE),
+              Instant.ofEpochSecond(812156400L).getEpochSecond()},
+             {LocalDate.of(1995, 9, 27).toEpochSecond(OFFSET_PONE),
+              LocalDateTime.of(1995, 9, 27, 0, 0).toEpochSecond(OFFSET_PONE)},
+         };
+     }
+ 
+     @Test(dataProvider="epochSecond")
+     public void test_toEpochSecond(long actual, long expected) {
+         assertEquals(actual, expected);
+     }
+     //-----------------------------------------------------------------------
      // compareTo()
      //-----------------------------------------------------------------------
      @Test
      public void test_comparisons() {
          doTest_comparisons_LocalDate(