// note: spec requires only that the sign is the same
        assertWithMessage(x + ", " + y).that(Floats.compare(x, y)).isEqualTo(Float.compare(x, y));
      }
    }
  }

  public void testContains() {
    assertThat(Floats.contains(EMPTY, 1.0f)).isFalse();
    assertThat(Floats.contains(ARRAY1, 2.0f)).isFalse();
    assertThat(Floats.contains(ARRAY234, 1.0f)).isFalse();

}{
	{[]byte("hello"), []byte("hel"), true},
	{[]byte("日本語"), []byte("日本"), true},
	{[]byte("hello"), []byte("Hello, world"), false},
	{[]byte("東京"), []byte("京東"), false},
}

func TestContains(t *testing.T) {
	for _, tt := range containsTests {
		if got := Contains(tt.b, tt.subslice); got != tt.want {
			t.Errorf("Contains(%q, %q) = %v, want %v", tt.b, tt.subslice, got, tt.want)
		}
	}
}