Alexander Korepanov
70 lines
1.8 KiB
Kotlin
Vendored
70 lines
1.8 KiB
Kotlin
Vendored
// DONT_TARGET_EXACT_BACKEND: JS
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fun testShl() {
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// wrapper prevents the constants folding
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infix fun Int.myShl(y: Int): Int = this shl y
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assertEquals(0 myShl 0, 0)
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assertEquals(0 myShl 1, 0)
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assertEquals(1 myShl 1, 2)
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assertEquals(3 myShl 1, 6)
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assertEquals(-1 myShl 0, -1)
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assertEquals(-1 myShl 1, -2)
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assertEquals(-1 myShl 2, -4)
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assertEquals(Int.MIN_VALUE myShl 0, Int.MIN_VALUE)
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assertEquals(Int.MIN_VALUE myShl 1, 0)
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assertEquals(Int.MAX_VALUE myShl 0, Int.MAX_VALUE)
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assertEquals(Int.MAX_VALUE myShl 1, -2)
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}
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fun testShr() {
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// wrapper prevents the constants folding
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infix fun Int.myShr(y: Int): Int = this shr y
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assertEquals(0 myShr 0, 0)
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assertEquals(0 myShr 1, 0)
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assertEquals(1 myShr 1, 0)
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assertEquals(3 myShr 1, 1)
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assertEquals(-1 myShr 0, -1)
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assertEquals(-1 myShr 1, -1)
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assertEquals(-1 myShr 2, -1)
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assertEquals(Int.MIN_VALUE myShr 0, Int.MIN_VALUE)
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assertEquals(Int.MIN_VALUE myShr 1, Int.MIN_VALUE / 2)
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assertEquals(Int.MAX_VALUE myShr 0, Int.MAX_VALUE)
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assertEquals(Int.MAX_VALUE myShr 1, 0x3FFFFFFF)
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}
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fun testUshr() {
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// wrapper prevents the constants folding
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infix fun Int.myUshr(y: Int): Int = this ushr y
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assertEquals(0 myUshr 0, 0)
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assertEquals(0 myUshr 1, 0)
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assertEquals(1 myUshr 1, 0)
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assertEquals(3 myUshr 1, 1)
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assertEquals(-1 myUshr 0, -1)
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assertEquals(-1 myUshr 1, 0x7FFFFFFF)
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assertEquals(-1 myUshr 2, 0x3FFFFFFF)
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assertEquals(Int.MIN_VALUE myUshr 0, Int.MIN_VALUE)
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assertEquals(Int.MIN_VALUE myUshr 1, 0x40000000)
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assertEquals(Int.MAX_VALUE myUshr 0, Int.MAX_VALUE)
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assertEquals(Int.MAX_VALUE myUshr 1, 0x3FFFFFFF)
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}
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fun box(): String {
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testShl()
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testShr()
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testUshr()
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return "OK"
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}
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