63 lines
1.5 KiB
Kotlin
63 lines
1.5 KiB
Kotlin
import org.openrndr.extra.expressions.evaluateExpression
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import kotlin.test.Test
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import kotlin.test.assertEquals
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import kotlin.test.assertNotNull
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class TestOperators {
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@Test
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fun `an addition operation`() {
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val result = evaluateExpression("1 + 2")
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assertNotNull(result)
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assertEquals(3.0, result, 10E-6)
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}
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@Test
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fun `a subtraction operation`() {
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val result = evaluateExpression("1 - 2")
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assertNotNull(result)
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assertEquals(-1.0, result, 10E-6)
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}
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@Test
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fun `a modulus operation`() {
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val result = evaluateExpression("4 % 2")
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assertNotNull(result)
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assertEquals(0.0, result, 10E-6)
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}
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@Test
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fun `a multiplication operation`() {
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val result = evaluateExpression("4 * 2")
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assertNotNull(result)
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assertEquals(8.0, result, 10E-6)
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}
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@Test
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fun `a division operation`() {
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val result = evaluateExpression("4 / 2")
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assertNotNull(result)
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assertEquals(2.0, result, 10E-6)
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}
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@Test
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fun `a multiplication and addition operation`() {
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val result = evaluateExpression("4 * 2 + 1")
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assertNotNull(result)
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assertEquals(9.0, result, 10E-6)
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}
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@Test
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fun `an addition and multiplication`() {
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val result = evaluateExpression("4 + 2 * 3")
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assertNotNull(result)
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assertEquals(10.0, result, 10E-6)
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}
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@Test
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fun `unary minus`() {
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val result = evaluateExpression("-4.0")
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assertNotNull(result)
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assertEquals(-4.0, result, 10E-6)
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}
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}
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