fixes on Decimals and bound kotlin classes
This commit is contained in:
sergeych committed
1 parent
c7c333b71a
commit
05d7432b37
14 files changed
+114
-667
No files matched your search
@@ -1,229 +0,0 @@
|
||||
/*
|
||||
* Copyright 2026 Sergey S. Chernov real.sergeych@gmail.com
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
*/
|
||||
|
||||
package net.sergeych.lyng
|
||||
|
||||
import kotlinx.coroutines.test.runTest
|
||||
import kotlin.test.Test
|
||||
|
||||
class BigDecimalModuleTest {
|
||||
@Test
|
||||
fun testDecimalModuleFactoriesAndConversions() = runTest {
|
||||
val scope = Script.newScope()
|
||||
scope.eval(
|
||||
"""
|
||||
import lyng.decimal
|
||||
|
||||
assertEquals("12.34", BigDecimal.fromString("12.34").toStringExpanded())
|
||||
assertEquals("1", BigDecimal.fromInt(1).toStringExpanded())
|
||||
assertEquals("2.5", "2.5".d.toStringExpanded())
|
||||
assertEquals("1", 1.d.toStringExpanded())
|
||||
assertEquals("2.2", 2.2.d.toStringExpanded())
|
||||
assertEquals("3", (1 + 2).d.toStringExpanded())
|
||||
assertEquals("1.5", (1 + 0.5).d.toStringExpanded())
|
||||
assertEquals("3", (1 + 2.d).toStringExpanded())
|
||||
assertEquals("3", (2.d + 1).toStringExpanded())
|
||||
assertEquals(2.5, "2.5".d.toReal())
|
||||
assertEquals(2, "2.5".d.toInt())
|
||||
assertEquals(2.2, 2.2.d.toReal())
|
||||
assertEquals("0.30000000000000004", (0.1 + 0.2).d.toStringExpanded())
|
||||
""".trimIndent()
|
||||
)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun testDecimalModuleMixedIntOperators() = runTest {
|
||||
val scope = Script.newScope()
|
||||
scope.eval(
|
||||
"""
|
||||
import lyng.decimal
|
||||
|
||||
assertEquals(3.d, 1 + 2.d)
|
||||
assertEquals(3.d, 2.d + 1)
|
||||
assertEquals(1.d, 3 - 2.d)
|
||||
assertEquals(1.d, 3.d - 2)
|
||||
assertEquals(8.d, 4 * 2.d)
|
||||
assertEquals(8.d, 4.d * 2)
|
||||
assertEquals(4.d, 8 / 2.d)
|
||||
assertEquals(4.d, 8.d / 2)
|
||||
assertEquals(1.d, 7 % 2.d)
|
||||
assertEquals(1.d, 7.d % 2)
|
||||
assert(1 < 2.d)
|
||||
assert(2 <= 2.d)
|
||||
assert(3 > 2.d)
|
||||
assert(3.d > 2)
|
||||
assert(2 == 2.d)
|
||||
assert(2.d == 2)
|
||||
""".trimIndent()
|
||||
)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun testDecimalDivisionUsesDefaultContext() = runTest {
|
||||
val scope = Script.newScope()
|
||||
scope.eval(
|
||||
"""
|
||||
import lyng.decimal
|
||||
|
||||
assertEquals("0.125", (1.d / 8.d).toStringExpanded())
|
||||
assertEquals("0.3333333333333333333333333333333333", (1.d / 3.d).toStringExpanded())
|
||||
assertEquals("0.6666666666666666666666666666666667", ("2".d / 3.d).toStringExpanded())
|
||||
""".trimIndent()
|
||||
)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun testWithDecimalContextOverridesDivisionContext() = runTest {
|
||||
val scope = Script.newScope()
|
||||
scope.eval(
|
||||
"""
|
||||
import lyng.decimal
|
||||
|
||||
assertEquals("0.3333333333333333333333333333333333", (1.d / 3.d).toStringExpanded())
|
||||
assertEquals("0.3333333333", withDecimalContext(10) { (1.d / 3.d).toStringExpanded() })
|
||||
assertEquals("0.666667", withDecimalContext(6) { ("2".d / 3.d).toStringExpanded() })
|
||||
assertEquals("0.666667", withDecimalContext(DecimalContext(6)) { ("2".d / 3.d).toStringExpanded() })
|
||||
assertEquals("0.12", withDecimalContext(2) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("0.13", withDecimalContext(2, DecimalRounding.HalfAwayFromZero) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("0.13", withDecimalContext(DecimalContext(2, DecimalRounding.HalfAwayFromZero)) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("0.3333333333333333333333333333333333", (1.d / 3.d).toStringExpanded())
|
||||
""".trimIndent()
|
||||
)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun testDecimalDivisionRoundingMatrix() = runTest {
|
||||
val scope = Script.newScope()
|
||||
scope.eval(
|
||||
"""
|
||||
import lyng.decimal
|
||||
|
||||
assertEquals("0.12", withDecimalContext(2, DecimalRounding.HalfEven) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("-0.12", withDecimalContext(2, DecimalRounding.HalfEven) { (-1.d / 8.d).toStringExpanded() })
|
||||
|
||||
assertEquals("0.13", withDecimalContext(2, DecimalRounding.HalfAwayFromZero) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("-0.13", withDecimalContext(2, DecimalRounding.HalfAwayFromZero) { (-1.d / 8.d).toStringExpanded() })
|
||||
|
||||
assertEquals("0.12", withDecimalContext(2, DecimalRounding.HalfTowardsZero) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("-0.12", withDecimalContext(2, DecimalRounding.HalfTowardsZero) { (-1.d / 8.d).toStringExpanded() })
|
||||
|
||||
assertEquals("0.13", withDecimalContext(2, DecimalRounding.Ceiling) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("-0.12", withDecimalContext(2, DecimalRounding.Ceiling) { (-1.d / 8.d).toStringExpanded() })
|
||||
|
||||
assertEquals("0.12", withDecimalContext(2, DecimalRounding.Floor) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("-0.13", withDecimalContext(2, DecimalRounding.Floor) { (-1.d / 8.d).toStringExpanded() })
|
||||
|
||||
assertEquals("0.13", withDecimalContext(2, DecimalRounding.AwayFromZero) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("-0.13", withDecimalContext(2, DecimalRounding.AwayFromZero) { (-1.d / 8.d).toStringExpanded() })
|
||||
|
||||
assertEquals("0.12", withDecimalContext(2, DecimalRounding.TowardsZero) { (1.d / 8.d).toStringExpanded() })
|
||||
assertEquals("-0.12", withDecimalContext(2, DecimalRounding.TowardsZero) { (-1.d / 8.d).toStringExpanded() })
|
||||
""".trimIndent()
|
||||
)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun testDefaultToString() = runTest {
|
||||
eval("""
|
||||
import lyng.decimal
|
||||
|
||||
var s0 = "0.1".d + "0.1".d
|
||||
assertEquals("0.2", s0.toStringExpanded())
|
||||
assertEquals("0.2", s0.toString())
|
||||
""".trimIndent())
|
||||
}
|
||||
|
||||
@Test
|
||||
fun testDecimalMathHelpersUseExactImplementationsWhenAvailable() = runTest {
|
||||
val scope = Script.newScope()
|
||||
scope.eval(
|
||||
"""
|
||||
import lyng.decimal
|
||||
|
||||
val absValue = abs("-2.5".d) as BigDecimal
|
||||
val floorPos = floor("2.9".d) as BigDecimal
|
||||
val floorNeg = floor("-2.1".d) as BigDecimal
|
||||
val ceilPos = ceil("2.1".d) as BigDecimal
|
||||
val ceilNeg = ceil("-2.1".d) as BigDecimal
|
||||
val roundPos = round("2.5".d) as BigDecimal
|
||||
val roundNeg = round("-2.5".d) as BigDecimal
|
||||
val powInt = pow("1.5".d, 2) as BigDecimal
|
||||
|
||||
assertEquals("2.5", absValue.toStringExpanded())
|
||||
assertEquals("2", floorPos.toStringExpanded())
|
||||
assertEquals("-3", floorNeg.toStringExpanded())
|
||||
assertEquals("3", ceilPos.toStringExpanded())
|
||||
assertEquals("-2", ceilNeg.toStringExpanded())
|
||||
assertEquals("3", roundPos.toStringExpanded())
|
||||
assertEquals("-2", roundNeg.toStringExpanded())
|
||||
assertEquals("2.25", powInt.toStringExpanded())
|
||||
""".trimIndent()
|
||||
)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun testDecimalMathHelpersFallbackThroughRealTemporarily() = runTest {
|
||||
val scope = Script.newScope()
|
||||
scope.eval(
|
||||
"""
|
||||
import lyng.decimal
|
||||
|
||||
val sinDecimal = sin("0.5".d) as BigDecimal
|
||||
val expDecimal = exp("1.25".d) as BigDecimal
|
||||
val sqrtDecimal = sqrt("2".d) as BigDecimal
|
||||
val lnDecimal = ln("2".d) as BigDecimal
|
||||
val log10Decimal = log10("2".d) as BigDecimal
|
||||
val log2Decimal = log2("2".d) as BigDecimal
|
||||
val powDecimal = pow("2".d, "0.5".d) as BigDecimal
|
||||
|
||||
assertEquals((sin(0.5) as Real).d.toStringExpanded(), sinDecimal.toStringExpanded())
|
||||
assertEquals((exp(1.25) as Real).d.toStringExpanded(), expDecimal.toStringExpanded())
|
||||
assertEquals((sqrt(2.0) as Real).d.toStringExpanded(), sqrtDecimal.toStringExpanded())
|
||||
assertEquals((ln(2.0) as Real).d.toStringExpanded(), lnDecimal.toStringExpanded())
|
||||
assertEquals((log10(2.0) as Real).d.toStringExpanded(), log10Decimal.toStringExpanded())
|
||||
assertEquals((log2(2.0) as Real).d.toStringExpanded(), log2Decimal.toStringExpanded())
|
||||
assertEquals((pow(2.0, 0.5) as Real).d.toStringExpanded(), powDecimal.toStringExpanded())
|
||||
""".trimIndent()
|
||||
)
|
||||
}
|
||||
|
||||
@Test
|
||||
fun decimalMustBeObj() = runTest {
|
||||
eval("""
|
||||
import lyng.decimal
|
||||
|
||||
val decimal = 42.d
|
||||
val context = DecimalContext(12)
|
||||
|
||||
assert(decimal is BigDecimal)
|
||||
assertEquals(BigDecimal, decimal::class)
|
||||
|
||||
assert(context is DecimalContext)
|
||||
assertEquals(DecimalContext, context::class)
|
||||
""".trimIndent())
|
||||
}
|
||||
|
||||
@Test
|
||||
fun testFromRealLife1() = runTest {
|
||||
eval("""
|
||||
import lyng.decimal
|
||||
var X = 42.d
|
||||
X += 11
|
||||
assertEquals(53.d, X)
|
||||
""")
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user