lynon started

lynglib/src/jvmTest/kotlin/LynonTests.kt

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+import junit.framework.TestCase.assertEquals
+import net.sergeych.bintools.toDump
+import net.sergeych.lynon.MemoryBitInput
+import net.sergeych.lynon.MemoryBitOutput
+import net.sergeych.lynon.sizeInTetrades
+import kotlin.test.Test
+
+class LynonTests {
+
+    @Test
+    fun testSizeInTetrades() {
+        assertEquals(1, sizeInTetrades(0u))
+        assertEquals(1, sizeInTetrades(1u))
+        assertEquals(1, sizeInTetrades(15u))
+        assertEquals(2, sizeInTetrades(16u))
+        assertEquals(2, sizeInTetrades(254u))
+        assertEquals(2, sizeInTetrades(255u))
+        assertEquals(3, sizeInTetrades(256u))
+        assertEquals(3, sizeInTetrades(257u))
+    }
+
+    @Test
+    fun testBitStreams() {
+
+        val bout = MemoryBitOutput()
+        bout.putBits(2, 3)
+        bout.putBits(1, 7)
+        bout.putBits( 197, 8)
+        bout.putBits( 3, 4)
+        bout.close()
+
+        val bin = MemoryBitInput(bout.toUByteArray())
+        assertEquals(2UL, bin.getBits(3))
+        assertEquals(1UL, bin.getBits(7))
+        assertEquals(197UL, bin.getBits(8))
+        assertEquals(3UL, bin.getBits(4))
+    }
+
+    @Test
+    fun testPackInteger() {
+        val bout = MemoryBitOutput()
+        bout.packUnsigned(147179UL)
+        bout.close()
+        println(bout.toUByteArray().toDump())
+        val bin = MemoryBitInput(bout.toUByteArray())
+        assertEquals(147179UL, bin.unpackUnsigned())
+    }
+
+}