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conditionals

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This commit is contained in:
Chuck Smith
2024-02-07 15:46:45 -05:00
parent cff4375649
commit 77401260a2
5 changed files with 198 additions and 15 deletions
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49
compiler/compiler_test.go
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@@ -174,6 +174,55 @@ func TestBooleanExpressions(t *testing.T) {
runCompilerTests(t, tests)
}
func TestConditionals(t *testing.T) {
tests := []compilerTestCase{
{
input: `
if (true) { 10 }; 3333;
`,
expectedConstants: []interface{}{10, 3333},
expectedInstructions: []code.Instructions{
code.Make(code.OpTrue),
// 0001
code.Make(code.OpJumpNotTruthy, 7),
// 0004
code.Make(code.OpConstant, 0),
// 0007
code.Make(code.OpPop),
// 0008
code.Make(code.OpConstant, 1),
// 0011
code.Make(code.OpPop),
},
}, {
input: `
if (true) { 10 } else { 20 }; 3333;
`,
expectedConstants: []interface{}{10, 20, 3333},
expectedInstructions: []code.Instructions{
// 0000
code.Make(code.OpTrue),
// 0001
code.Make(code.OpJumpNotTruthy, 10),
// 0004
code.Make(code.OpConstant, 0),
// 0007
code.Make(code.OpJump, 13),
// 0010
code.Make(code.OpConstant, 1),
// 0013
code.Make(code.OpPop),
// 0014
code.Make(code.OpConstant, 2),
// 0017
code.Make(code.OpPop),
},
},
}
runCompilerTests(t, tests)
}
func runCompilerTests(t *testing.T, tests []compilerTestCase) {
t.Helper()