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package com.seaofnodes.simple;
import java.io.IOException;
import java.nio.file.*;
import org.junit.Test;
// Revised Chapter 20 examples introduced with native encoding.
public class Chapter21AllocTest {
@Test
public void testNewtonInteger() {
String src =
"""
// Newtons approximation to the square root
val sqrt = { int x ->
int guess = x;
while( 1 ) {
int next = (x/guess + guess)/2;
if( next == guess ) return guess;
guess = next;
}
};
return sqrt(arg) + sqrt(arg+2);
""";
Chapter21Test.testCPU(src,"x86_64_v2", "Win64" ,23,null);
Chapter21Test.testCPU(src,"riscv" , "SystemV",19,null);
Chapter21Test.testCPU(src,"arm" , "SystemV",19,null);
}
@Test
public void testNewtonFloat() throws IOException {
String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/newtonFloat.smp"))
+ "flt farg = arg; return test_sqrt(farg) + test_sqrt(farg+2.0);";
Chapter21Test.testCPU(src,"x86_64_v2", "SystemV",39,null);
Chapter21Test.testCPU(src,"riscv" , "SystemV",17,null);
Chapter21Test.testCPU(src,"arm" , "SystemV",18,null);
}
@Test
public void testArray1() throws IOException {
String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/array1.smp"));
Chapter21Test.testCPU(src,"x86_64_v2", "SystemV",-1,"return .[];");
Chapter21Test.testCPU(src,"riscv" , "SystemV", 8,"return (add,.[],(mul,.[],1000));");
Chapter21Test.testCPU(src,"arm" , "SystemV", 5,"return (add,.[],(mul,.[],1000));");
}
@Test
public void testString() throws IOException {
String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/stringHash.smp"));
Chapter21Test.testCPU(src,"x86_64_v2", "SystemV", 9,null);
Chapter21Test.testCPU(src,"riscv" , "SystemV", 3,null);
Chapter21Test.testCPU(src,"arm" , "SystemV", 1,null);
}
}
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