diff options
Diffstat (limited to 'chapter24a/src/test/java')
3 files changed, 48 insertions, 14 deletions
diff --git a/chapter24a/src/test/java/com/seaofnodes/simple/ChainedComparisonTest.java b/chapter24a/src/test/java/com/seaofnodes/simple/ChainedComparisonTest.java new file mode 100644 index 00000000..99f18e62 --- /dev/null +++ b/chapter24a/src/test/java/com/seaofnodes/simple/ChainedComparisonTest.java @@ -0,0 +1,37 @@ +package com.seaofnodes.simple; + +import com.seaofnodes.simple.codegen.CodeGen; +import com.seaofnodes.simple.type.TypeInteger; +import org.junit.Test; +import static org.junit.Assert.*; + +public class ChainedComparisonTest { + @Test public void testAdjacentOperandsAndOperators() { + String[] expressions = {"10 < arg < 20", "0 < arg <= 3", "3 >= arg > 0", + "0 <= arg < 3", "0 < arg <= 3 < 4"}; + String[][] expected = {{"0","0","1","0"}, {"0","1","0","0"}, + {"0","1","0","0"}, {"1","0","0","0"}, + {"0","1","0","0"}}; + int[] args = {0,3,15,30}; + for(int i=0;i<expressions.length;i++) { + CodeGen code = new CodeGen("return "+expressions[i]+";").driver(CodeGen.Phase.TypeCheck); + for(int j=0;j<args.length;j++) assertEquals(expressions[i],expected[i][j],Eval2.eval(code,args[j])); + } + } + + @Test public void testSingleEvaluationAndShortCircuit() { + for(int seed:new int[]{2,13,123}) { + CodeGen code = new CodeGen("int x=arg; int y=0; val b=0 < x++ <= (y+=3) < (y+=1); return x*100+y*10+b;",TypeInteger.BOT,seed,true) + .driver(CodeGen.Phase.TypeCheck); + assertEquals("100",Eval2.eval(code,0)); + assertEquals("441",Eval2.eval(code,3)); + assertEquals("530",Eval2.eval(code,4)); + } + try { + new CodeGen("return 0 < arg > 1;").parse(); + fail("mixed directions"); + } catch(RuntimeException e) { + assertEquals("Mixing relational directions in a chained relational test",e.getMessage()); + } + } +} diff --git a/chapter24a/src/test/java/com/seaofnodes/simple/Chapter18Test.java b/chapter24a/src/test/java/com/seaofnodes/simple/Chapter18Test.java index e26edb7e..e5dd259b 100644 --- a/chapter24a/src/test/java/com/seaofnodes/simple/Chapter18Test.java +++ b/chapter24a/src/test/java/com/seaofnodes/simple/Chapter18Test.java @@ -406,8 +406,9 @@ return g(); } - // Mutual recursion. Fails without SCCP to lift the recursive return types. - @Ignore @Test + // Local SCCP cannot infer this recursive return type. The next chapter + // solves across calls and checks the same program's execution results. + @Test public void testFcnMutRec() { CodeGen code = new CodeGen( """ @@ -415,12 +416,8 @@ val is_even = { int x -> x ? is_odd (x-1) : true ; }; val is_odd = { int x -> x ? is_even(x-1) : false; }; return is_even(arg); """); - code.driver(CodeGen.Phase.FinalizeIR); - assertEquals("Stop[ return is_even( arg); return Phi(Region,Phi(Region,is_even( ((Parm_x(is_even,int,arg,Sub)-1)-1)),0),1); ]", code._stop.toString()); - assertEquals("1", Eval2.eval(code, 0)); - assertEquals("0", Eval2.eval(code, 1)); - assertEquals("1", Eval2.eval(code, 2)); - assertEquals("0", Eval2.eval(code, 3)); + try { code.driver(CodeGen.Phase.TypeCheck); fail(); } + catch( Parser.ParseException e ) { assertEquals("No defined return type",e.getMessage()); } } // Forward ref to 'x' means that diff --git a/chapter24a/src/test/java/com/seaofnodes/simple/Chapter24Test.java b/chapter24a/src/test/java/com/seaofnodes/simple/Chapter24Test.java index 8cd300c2..4eb1324d 100644 --- a/chapter24a/src/test/java/com/seaofnodes/simple/Chapter24Test.java +++ b/chapter24a/src/test/java/com/seaofnodes/simple/Chapter24Test.java @@ -359,17 +359,17 @@ sys.io.p(str); return 0; """; - TestC.runSF("stacked_r_3", src, null, "In Range", 5); + TestC.runSF("stacked_r_3", src, null, "In Range", 3); // Evaluate on RISC5 emulator - EvalRisc5 R5 = TestRisc5.build("stacked_r_3", src, 0, 5, false); + EvalRisc5 R5 = TestRisc5.build("stacked_r_3", src, 0, 3, false); int trap = R5.step(100); assertEquals(0,trap); assertEquals(0,R5.regs[riscv.A0]); assertEquals("In Range",R5._stdout.toString()); // Evaluate on ARM emulator - EvalArm64 arm = TestArm64.build("stacked_r_3", src, 0, 5, false); + EvalArm64 arm = TestArm64.build("stacked_r_3", src, 0, 3, false); int trap_1 = arm.step(100); assertEquals(0,trap_1); assertEquals(0,arm.regs[0]); @@ -425,17 +425,17 @@ sys.io.p("Out of range"); return 0; """; - TestC.runSF("stacked_r_5", src, null, "In Range", 5); + TestC.runSF("stacked_r_5", src, null, "In Range", 3); // Evaluate on RISC5 emulator - EvalRisc5 R5 = TestRisc5.build("stacked_r_5", src, 0, 7, false); + EvalRisc5 R5 = TestRisc5.build("stacked_r_5", src, 0, 5, false); int trap = R5.step(100); assertEquals(0,trap); assertEquals(0,R5.regs[riscv.A0]); assertEquals("In Range",R5._stdout.toString()); // Evaluate on ARM emulator - EvalArm64 arm = TestArm64.build("stacked_r_5", src, 0, 7, false); + EvalArm64 arm = TestArm64.build("stacked_r_5", src, 0, 5, false); trap = arm.step(100); assertEquals(0,trap); assertEquals(0,arm.regs[0]); |