From fcce1e13814a02d8358eae9a40e33a7e6f2b5400 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Fri, 13 Jun 2025 15:42:08 -0700
Subject: Unifying Structs and Arrays

---
 .../java/com/seaofnodes/simple/Chapter10Test.java  | 399 ---------------------
 1 file changed, 399 deletions(-)
 delete mode 100644 src/test/java/com/seaofnodes/simple/Chapter10Test.java

(limited to 'src/test/java/com/seaofnodes/simple/Chapter10Test.java')

diff --git a/src/test/java/com/seaofnodes/simple/Chapter10Test.java b/src/test/java/com/seaofnodes/simple/Chapter10Test.java
deleted file mode 100644
index ec363239..00000000
--- a/src/test/java/com/seaofnodes/simple/Chapter10Test.java
+++ /dev/null
@@ -1,399 +0,0 @@
-package com.seaofnodes.simple;
-
-import com.seaofnodes.simple.codegen.CodeGen;
-import org.junit.Test;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
-
-public class Chapter10Test {
-
-    @Test
-    public void testFuzzer() {
-        CodeGen code = new CodeGen(
-"""
-int a = arg/3;
-int b = arg*5;
-int x = arg*7;
-int y = arg/11;
-int p; int g; int h;
-if( (arg/13)==0 ) {
-    p = x + y;
-    g = x;
-    h = y;
-} else {
-    p = a + b;
-    g = a;
-    h = b;
-}
-int r = g+h;
-return p-r;
-""");
-        code.parse().opto();
-        assertEquals("return 0;", code.print());
-    }
-
-    @Test
-    public void testStruct() {
-        CodeGen code = new CodeGen("""
-struct Bar {
-    int a;
-    int b;
-};
-struct Foo {
-    int x;
-};
-Foo? foo = null;
-Bar !bar = new Bar;
-bar.a = 1;
-bar.a = 2;
-return bar.a;
-""");
-        code.parse().opto();
-        assertEquals("return 2;", code.print());
-    }
-
-    @Test
-    public void testExample() {
-        CodeGen code = new CodeGen("""
-struct Vector2D { int x; int y; };
-Vector2D !v = new Vector2D;
-v.x = 1;
-if (arg)
-    v.y = 2;
-else
-    v.y = 3;
-return v;
-""");
-        code.parse().opto();
-        assertEquals("return Vector2D;", code.print());
-    }
-
-    @Test
-    public void testBug() {
-        CodeGen code = new CodeGen("""
-struct s0 {
-    int v0;
-};
-s0? v1=null;
-int v3=v1.zAicm;
-""");
-        try { code.parse();  fail(); }
-        catch( Exception e ) {  assertEquals("Accessing unknown field 'zAicm' from 'null'",e.getMessage());  }
-    }
-
-    @Test
-    public void testBug2() {
-        CodeGen code = new CodeGen("""
-struct s0 { int v0; };
-arg=0+new s0.0;
-""");
-        try { code.parse(); fail(); }
-        catch( Exception e ) { assertEquals("Expected an identifier, found 'null'",e.getMessage()); }
-    }
-
-    @Test
-    public void testLoop() {
-        CodeGen code = new CodeGen("""
-struct Bar { int a; };
-Bar !bar = new Bar;
-while (arg) {
-    bar.a = bar.a + 2;
-    arg = arg + 1;
-}
-return bar.a;
-""");
-        code.parse().opto();
-        assertEquals("return Phi(Loop,0,(Phi_a+2));", code.print());
-    }
-
-    @Test
-    public void testIf() {
-        CodeGen code = new CodeGen("""
-struct Bar { int a; };
-Bar !bar = new Bar;
-if (arg) bar = null;
-bar.a = 1;
-return bar.a;
-""");
-        try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Type null is not of declared type *Bar",e.getMessage()); }
-    }
-
-    @Test
-    public void testIf2() {
-        CodeGen code = new CodeGen("""
-struct Bar { int a; };
-Bar? !bar = null;
-if (arg) bar = new Bar;
-bar.a = 1;
-return bar.a;
-""");
-        try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Might be null accessing 'a'",e.getMessage()); }
-    }
-
-    @Test
-    public void testIf3() {
-        CodeGen code = new CodeGen("""
-struct Bar { int a; };
-Bar bar = null;
-if (arg) bar = null;
-bar.a = 1;
-return bar.a;
-""");
-        try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) { assertEquals("Type null is not of declared type *Bar", e.getMessage()); }
-    }
-
-    @Test
-    public void testIfOrNull() {
-        CodeGen code = new CodeGen("""
-struct Bar { int a; };
-Bar? !bar = new Bar;
-if (arg) bar = null;
-if( bar ) bar.a = 1;
-return bar;
-""");
-        code.parse().opto();
-        assertEquals("return Phi(Region,null,Bar);", code.print());
-    }
-
-    @Test
-    public void testIfOrNull2() {
-        CodeGen code = new CodeGen(
-"""
-struct Bar { int a; };
-Bar? !bar = new Bar;
-if (arg) bar = null;
-int rez = 3;
-if( !bar ) rez=4;
-else bar.a = 1;
-return rez;
-""");
-        code.parse().opto();
-        assertEquals("return Phi(Region,4,3);", code.print());
-    }
-
-    @Test
-    public void testWhileWithNullInside() {
-        CodeGen code = new CodeGen("""
-struct s0 {int v0;};
-s0? !v0 = new s0;
-int ret = 0;
-while(arg) {
-    ret = v0.v0;
-    v0 = null;
-    arg = arg - 1;
-}
-return ret;
-""");
-        try { code.parse().opto().typeCheck(); fail(); }
-        catch( Exception e ) {
-            assertEquals("Might be null accessing 'v0'", e.getMessage()); }
-    }
-
-    @Test
-    public void testRedeclareStruct() {
-        CodeGen code = new CodeGen("""
-struct s0 {
-    int v0;
-};
-s0? v1=new s0;
-s0? v1;
-v1=new s0;
-""");
-        try { code.parse(); fail(); }
-        catch( Exception e ) { assertEquals("Redefining name 'v1'", e.getMessage()); }
-    }
-
-    @Test
-    public void testIter() {
-        // Build and use an iterator
-        CodeGen code = new CodeGen(
-"""
-struct Iter {
-    int x;
-    int len;
-};
-Iter !i = new Iter;
-i.len = arg;
-int sum=0;
-while( i.x < i.len ) {
-    sum = sum + i.x;
-    i.x = i.x + 1;
-}
-return sum;
-""");
-        code.parse().opto();
-        assertEquals("return Phi(Loop,0,(Phi(Loop,0,(Phi_x+1))+Phi_sum));", code.print());
-    }
-
-
-    @Test
-    public void test1() {
-        CodeGen code = new CodeGen("""
-struct s0 {int v0;};
-s0 !ret = new s0;
-while(arg) {
-    s0 !v0 = new s0;
-    v0.v0 = arg;
-    arg = arg-1;
-    if (arg==5) ret=v0;
-
-}
-return ret;
-""");
-        code.parse().opto();
-        assertEquals("return Phi(Loop,s0,Phi(Region,s0,Phi_ret));", code.print());
-    }
-
-    @Test
-    public void test2() {
-        CodeGen code = new CodeGen("""
-struct s0 {int v0;};
-s0 !ret = new s0;
-s0 !v0 = new s0;
-while(arg) {
-    v0.v0 = arg;
-    arg = arg-1;
-    if (arg==5) ret=v0;
-
-}
-return ret;
-""");
-        code.parse().opto();
-        assertEquals("return Phi(Loop,s0,Phi(Region,s0,Phi_ret));", code.print());
-    }
-
-
-    @Test
-    public void test3() {
-        CodeGen code = new CodeGen("""
-struct s0 {int v0;};
-s0 !ret = new s0;
-while(arg < 10) {
-    s0 !v0 = new s0;
-    if (arg == 5) ret=v0;
-    arg = arg + 1;
-}
-return ret;
-""");
-        code.parse().opto();
-        assertEquals("return Phi(Loop,s0,Phi(Region,s0,Phi_ret));", code.print());
-    }
-
-    @Test
-    public void testBug3() {
-        CodeGen code = new CodeGen("""
-struct s0 { int f0; };
-return new s0;
-int v0=null.f0;
-""");
-        try { code.parse();  fail(); }
-        catch( Exception e ) {  assertEquals("Syntax error, expected ;: .",e.getMessage());  }
-    }
-
-    @Test
-    public void testBug4() {
-        CodeGen code = new CodeGen("""
-if(0) {
-    while(0) if(arg) continue;
-    int v0=0;
-    while(1) {
-        int v2=-arg;
-        v0=v2;
-    }
-}
-return 0;
-   """);
-        code.parse().opto();
-        assertEquals("return 0;", code.print());
-    }
-
-    @Test
-    public void testBug5() {
-        CodeGen code = new CodeGen("""
-struct s0 {
-    int f0;
-};
-if(0) return 0;
-else return new s0;
-if(new s0.f0) return 0;
-    """);
-        code.parse().opto();
-        assertEquals("return s0;", code.print());
-    }
-
-    @Test
-    public void testBug6MissedWorklist() {
-        CodeGen code = new CodeGen("""
-while(0) {}
-int v4=0;
-while(0<arg) {
-    v4=v4+1;
-    while(1) v4=-v4;
-    while(0) arg=-1;
-}
-return 0;
-    """);
-        code.parse().opto();
-    }
-
-    @Test
-    public void testBug7() {
-        CodeGen code = new CodeGen("""
-struct s0 {  int f0; };
-s0 v0 = new s0;
-while(v0.f0) {}
-s0 v1 = v0;
-return v1;
-    """);
-        code.parse().opto();
-        assertEquals("return s0;", code.print());
-    }
-
-
-    @Test
-    public void testBug8() {
-        CodeGen code = new CodeGen("""
-int v2=0;
-while(0)
-while(0) {}
-{
-    {
-        {
-            int v36=0;
-            {
-                while(0) {
-                    {
-                        while(-v2) {
-                            {
-                                while(v36) {
-                                                while(v2) return 0;
-                                                break;
-                                }                            }
-                            if(-v2) break;
-                        }
-                    }
-                }
-            }
-        }    }
-}
-return 0;
-""");
-        code.parse().opto();
-        assertEquals("return 0;", code.print());
-    }
-
-    @Test
-    public void testBug9() {
-        CodeGen code = new CodeGen("""
-int v0=arg==0;
-while(v0) continue;
-return 0;
-""");
-        code.parse().opto();
-        assertEquals("return 0;", code.print());
-    }
-
-}
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