diff options
Diffstat (limited to 'test/bigdecimal')
-rw-r--r-- | test/bigdecimal/test_bigdecimal.rb | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb index a2af553333..59726adabb 100644 --- a/test/bigdecimal/test_bigdecimal.rb +++ b/test/bigdecimal/test_bigdecimal.rb @@ -1903,6 +1903,55 @@ class TestBigDecimal < Test::Unit::TestCase EOS end + def test_precision_only_integer + assert_equal(0, BigDecimal(0).precision) + assert_equal(1, BigDecimal(1).precision) + assert_equal(1, BigDecimal(-1).precision) + assert_equal(2, BigDecimal(10).precision) + assert_equal(2, BigDecimal(-10).precision) + assert_equal(21, BigDecimal(100_000_000_000_000_000_000).precision) + assert_equal(21, BigDecimal(-100_000_000_000_000_000_000).precision) + assert_equal(103, BigDecimal("111e100").precision) + assert_equal(103, BigDecimal("-111e100").precision) + end + + def test_precision_only_fraction + assert_equal(1, BigDecimal("0.1").precision) + assert_equal(1, BigDecimal("-0.1").precision) + assert_equal(1, BigDecimal("0.01").precision) + assert_equal(1, BigDecimal("-0.01").precision) + assert_equal(2, BigDecimal("0.11").precision) + assert_equal(2, BigDecimal("-0.11").precision) + assert_equal(21, BigDecimal("0.000_000_000_000_000_000_001").precision) + assert_equal(21, BigDecimal("-0.000_000_000_000_000_000_001").precision) + assert_equal(100, BigDecimal("111e-100").precision) + assert_equal(100, BigDecimal("-111e-100").precision) + end + + def test_precision_full + assert_equal(1, BigDecimal("0.1").precision) + assert_equal(1, BigDecimal("-0.1").precision) + assert_equal(1, BigDecimal("0.01").precision) + assert_equal(1, BigDecimal("-0.01").precision) + assert_equal(2, BigDecimal("0.11").precision) + assert_equal(2, BigDecimal("-0.11").precision) + assert_equal(5, BigDecimal("11111e-2").precision) + assert_equal(5, BigDecimal("-11111e-2").precision) + assert_equal(21, BigDecimal("100.000_000_000_000_000_001").precision) + assert_equal(21, BigDecimal("-100.000_000_000_000_000_001").precision) + end + + def test_precision_special + BigDecimal.save_exception_mode do + BigDecimal.mode(BigDecimal::EXCEPTION_OVERFLOW, false) + BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) + + assert_equal(0, BigDecimal("Infinity").precision) + assert_equal(0, BigDecimal("-Infinity").precision) + assert_equal(0, BigDecimal("NaN").precision) + end + end + def test_initialize_copy_dup_clone_frozen_error bd = BigDecimal(1) bd2 = BigDecimal(2) |