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add tests

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This commit is contained in:
Sky Johnson 2025-05-06 15:55:55 -05:00
parent 1bc3357aff
commit 1f2522d9fc
9 changed files with 1757 additions and 0 deletions
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2
go.mod
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module git.sharkk.net/Sharkk/Mako
go 1.24.1
require git.sharkk.net/Go/Assert v0.0.0-20250426205601-1b0e5ea6e7ac // indirect

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go.sum Normal file
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git.sharkk.net/Go/Assert v0.0.0-20250426205601-1b0e5ea6e7ac h1:B6iLK3nv2ubDfk5Ve9Z2sRPqpTgPWgsm7PyaWlwr3NY=
git.sharkk.net/Go/Assert v0.0.0-20250426205601-1b0e5ea6e7ac/go.mod h1:7AMVm0RCtLlQfWsnKs6h/IdSfzj52/o0nR03rCW68gM=

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tests/compiler_test.go Normal file
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package tests
import (
"testing"
assert "git.sharkk.net/Go/Assert"
"git.sharkk.net/Sharkk/Mako/compiler"
"git.sharkk.net/Sharkk/Mako/lexer"
"git.sharkk.net/Sharkk/Mako/parser"
"git.sharkk.net/Sharkk/Mako/types"
)
func TestCompileConstants(t *testing.T) {
input := `
5;
"hello";
true;
false;
`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
bytecode := compiler.Compile(program)
// Check that we have the right constants
assert.Equal(t, 4, len(bytecode.Constants))
// Check constant values
assert.Equal(t, 5.0, bytecode.Constants[0])
assert.Equal(t, "hello", bytecode.Constants[1])
assert.Equal(t, true, bytecode.Constants[2])
assert.Equal(t, false, bytecode.Constants[3])
// Check that we have the right instructions
assert.Equal(t, 10, len(bytecode.Instructions)) // 2 scope + 4 constants + 4 pops
// Check instruction opcodes - first instruction is enter scope
assert.Equal(t, types.OpEnterScope, bytecode.Instructions[0].Opcode)
// Check the constant loading and popping instructions
for i := 0; i < 4; i++ {
assert.Equal(t, types.OpConstant, bytecode.Instructions[1+i*2].Opcode)
assert.Equal(t, i, bytecode.Instructions[1+i*2].Operand)
assert.Equal(t, types.OpPop, bytecode.Instructions[2+i*2].Opcode)
}
// Last instruction is exit scope
assert.Equal(t, types.OpExitScope, bytecode.Instructions[len(bytecode.Instructions)-1].Opcode)
}
func TestCompileVariableAssignment(t *testing.T) {
input := `x = 5;`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
bytecode := compiler.Compile(program)
// Constants should be: 5, "x"
assert.Equal(t, 2, len(bytecode.Constants))
assert.Equal(t, 5.0, bytecode.Constants[0])
assert.Equal(t, "x", bytecode.Constants[1])
// Instructions should be:
// - OpEnterScope
// - OpConstant (5)
// - OpSetGlobal with operand pointing to "x"
// - OpExitScope
assert.Equal(t, 4, len(bytecode.Instructions))
assert.Equal(t, types.OpEnterScope, bytecode.Instructions[0].Opcode)
assert.Equal(t, types.OpConstant, bytecode.Instructions[1].Opcode)
assert.Equal(t, 0, bytecode.Instructions[1].Operand)
assert.Equal(t, types.OpSetGlobal, bytecode.Instructions[2].Opcode)
assert.Equal(t, 1, bytecode.Instructions[2].Operand)
assert.Equal(t, types.OpExitScope, bytecode.Instructions[3].Opcode)
}
func TestCompileArithmeticExpressions(t *testing.T) {
tests := []struct {
input string
constants []any
operations []types.Opcode
}{
{
"5 + 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpAdd, types.OpPop},
},
{
"5 - 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpSubtract, types.OpPop},
},
{
"5 * 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpMultiply, types.OpPop},
},
{
"5 / 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpDivide, types.OpPop},
},
}
for _, tt := range tests {
lex := lexer.New(tt.input)
p := parser.New(lex)
program := p.ParseProgram()
bytecode := compiler.Compile(program)
// Check constants
assert.Equal(t, len(tt.constants), len(bytecode.Constants))
for i, c := range tt.constants {
assert.Equal(t, c, bytecode.Constants[i])
}
// Check operations, skipping the first and last (scope instructions)
assert.Equal(t, len(tt.operations)+2, len(bytecode.Instructions))
for i, op := range tt.operations {
assert.Equal(t, op, bytecode.Instructions[i+1].Opcode)
}
}
}
func TestCompileComparisonExpressions(t *testing.T) {
tests := []struct {
input string
constants []any
operations []types.Opcode
}{
{
"5 == 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpEqual, types.OpPop},
},
{
"5 != 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpNotEqual, types.OpPop},
},
{
"5 < 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpLessThan, types.OpPop},
},
{
"5 > 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpGreaterThan, types.OpPop},
},
{
"5 <= 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpLessEqual, types.OpPop},
},
{
"5 >= 10;",
[]any{5.0, 10.0},
[]types.Opcode{types.OpConstant, types.OpConstant, types.OpGreaterEqual, types.OpPop},
},
}
for _, tt := range tests {
lex := lexer.New(tt.input)
p := parser.New(lex)
program := p.ParseProgram()
bytecode := compiler.Compile(program)
// Check constants
assert.Equal(t, len(tt.constants), len(bytecode.Constants))
for i, c := range tt.constants {
assert.Equal(t, c, bytecode.Constants[i])
}
// Check operations, skipping the first and last (scope instructions)
assert.Equal(t, len(tt.operations)+2, len(bytecode.Instructions))
for i, op := range tt.operations {
assert.Equal(t, op, bytecode.Instructions[i+1].Opcode)
}
}
}
func TestCompileTable(t *testing.T) {
input := `table = { name = "John", age = 30 };`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
bytecode := compiler.Compile(program)
// Constants should be: "John", 30, "name", "age", "table"
assert.Equal(t, 5, len(bytecode.Constants))
assert.Equal(t, "John", bytecode.Constants[0])
assert.Equal(t, 30.0, bytecode.Constants[1])
assert.Equal(t, "name", bytecode.Constants[2])
assert.Equal(t, "age", bytecode.Constants[3])
assert.Equal(t, "table", bytecode.Constants[4])
// Check that we have the right instructions for table creation
expectedOpcodes := []types.Opcode{
types.OpEnterScope,
types.OpNewTable, // Create table
types.OpDup, // Duplicate to set first property
types.OpConstant, // Load name key
types.OpConstant, // Load "John" value
types.OpSetIndex, // Set name = "John"
types.OpPop, // Pop result of setindex
types.OpDup, // Duplicate for second property
types.OpConstant, // Load age key
types.OpConstant, // Load 30 value
types.OpSetIndex, // Set age = 30
types.OpPop, // Pop result of setindex
types.OpSetGlobal, // Set table variable
types.OpExitScope,
}
assert.Equal(t, len(expectedOpcodes), len(bytecode.Instructions))
for i, op := range expectedOpcodes {
assert.Equal(t, op, bytecode.Instructions[i].Opcode)
}
}
func TestCompileIfStatement(t *testing.T) {
input := `
if x < 10 then
echo "x is less than 10";
else
echo "x is not less than 10";
end
`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
bytecode := compiler.Compile(program)
// We should have constants for: "x", 10, "x is less than 10", "x is not less than 10", nil (for else block)
assert.Equal(t, 5, len(bytecode.Constants))
// Check for key opcodes in the bytecode
// This is simplified - in reality we'd check the full instruction flow
ops := bytecode.Instructions
// Check for variable lookup
foundGetGlobal := false
for _, op := range ops {
if op.Opcode == types.OpGetGlobal {
foundGetGlobal = true
break
}
}
assert.True(t, foundGetGlobal)
// Check for comparison opcode
foundLessThan := false
for _, op := range ops {
if op.Opcode == types.OpLessThan {
foundLessThan = true
break
}
}
assert.True(t, foundLessThan)
// Check for conditional jump
foundJumpIfFalse := false
for _, op := range ops {
if op.Opcode == types.OpJumpIfFalse {
foundJumpIfFalse = true
break
}
}
assert.True(t, foundJumpIfFalse)
// Check for unconditional jump (for else clause)
foundJump := false
for _, op := range ops {
if op.Opcode == types.OpJump {
foundJump = true
break
}
}
assert.True(t, foundJump)
// Check for echo statements
foundEcho := false
echoCount := 0
for _, op := range ops {
if op.Opcode == types.OpEcho {
foundEcho = true
echoCount++
}
}
assert.True(t, foundEcho)
assert.Equal(t, 2, echoCount)
}
func TestCompileLogicalOperators(t *testing.T) {
tests := []struct {
input string
expectedOperator types.Opcode
}{
{"not true;", types.OpNot},
}
for _, tt := range tests {
lex := lexer.New(tt.input)
p := parser.New(lex)
program := p.ParseProgram()
bytecode := compiler.Compile(program)
foundOp := false
for _, op := range bytecode.Instructions {
if op.Opcode == tt.expectedOperator {
foundOp = true
break
}
}
assert.True(t, foundOp)
}
// AND and OR are special as they involve jumps - test separately
andInput := "true and false;"
lex := lexer.New(andInput)
p := parser.New(lex)
program := p.ParseProgram()
bytecode := compiler.Compile(program)
// AND should involve a JumpIfFalse instruction
foundJumpIfFalse := false
for _, op := range bytecode.Instructions {
if op.Opcode == types.OpJumpIfFalse {
foundJumpIfFalse = true
break
}
}
assert.True(t, foundJumpIfFalse)
// OR test
orInput := "true or false;"
lex = lexer.New(orInput)
p = parser.New(lex)
program = p.ParseProgram()
bytecode = compiler.Compile(program)
// OR should involve both Jump and JumpIfFalse instructions
foundJump := false
foundJumpIfFalse = false
for _, op := range bytecode.Instructions {
if op.Opcode == types.OpJump {
foundJump = true
}
if op.Opcode == types.OpJumpIfFalse {
foundJumpIfFalse = true
}
}
assert.True(t, foundJump)
assert.True(t, foundJumpIfFalse)
}

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package tests
import (
"testing"
assert "git.sharkk.net/Go/Assert"
"git.sharkk.net/Sharkk/Mako/compiler"
"git.sharkk.net/Sharkk/Mako/lexer"
"git.sharkk.net/Sharkk/Mako/parser"
"git.sharkk.net/Sharkk/Mako/vm"
)
// Helper function to execute Mako code
func executeMakoWithErrors(code string) (*vm.VM, []string) {
lex := lexer.New(code)
p := parser.New(lex)
program := p.ParseProgram()
errors := p.Errors()
bytecode := compiler.Compile(program)
virtualMachine := vm.New()
virtualMachine.Run(bytecode)
return virtualMachine, errors
}
func TestTypeConversions(t *testing.T) {
// Test automatic type conversions in operations
_, errors := executeMakoWithErrors(`
// String concatenation
echo "Hello " + "World"; // Should work
// Using boolean in a condition
if true then
echo "Boolean works in condition";
end
// Numeric conditions
if 1 then
echo "Numeric 1 is truthy";
end
if 0 then
echo "This should not execute";
else
echo "Numeric 0 is falsy";
end
`)
assert.Equal(t, 0, len(errors))
}
func TestEdgeCases(t *testing.T) {
// Test edge cases that might cause issues
_, errors := executeMakoWithErrors(`
// Division by zero
// echo 5 / 0; // Should not crash VM, would just return null
// Deep nesting
table = {
level1 = {
level2 = {
level3 = {
level4 = {
value = "Deep nesting"
}
}
}
}
};
echo table["level1"]["level2"]["level3"]["level4"]["value"];
// Empty tables
emptyTable = {};
echo emptyTable["nonexistent"]; // Should return null
// Table with invalid access
someTable = { key = "value" };
// echo someTable[123]; // Should not crash
`)
assert.Equal(t, 0, len(errors))
}
func TestErrorHandling(t *testing.T) {
// Test error handling in the parser
_, errors := executeMakoWithErrors(`
// Invalid syntax - missing semicolon
x = 5
y = 10;
`)
// Should have at least one error
assert.True(t, len(errors) > 0)
// Test parser recovery
_, errors = executeMakoWithErrors(`
// Missing end keyword
if x < 10 then
echo "x is less than 10";
// end - missing
`)
// Should have at least one error
assert.True(t, len(errors) > 0)
}
func TestNestedScopes(t *testing.T) {
// Test nested scopes and variable shadowing
_, errors := executeMakoWithErrors(`
x = "global";
{
echo x; // Should be "global"
x = "outer";
echo x; // Should be "outer"
{
echo x; // Should be "outer"
x = "inner";
echo x; // Should be "inner"
{
echo x; // Should be "inner"
x = "innermost";
echo x; // Should be "innermost"
}
echo x; // Should be "inner" again
}
echo x; // Should be "outer" again
}
echo x; // Should be "global" again
`)
assert.Equal(t, 0, len(errors))
}
func TestComplexExpressions(t *testing.T) {
// Test complex expressions with multiple operators
_, errors := executeMakoWithErrors(`
// Arithmetic precedence
result = 5 + 10 * 2; // Should be 25, not 30
echo result;
// Parentheses override precedence
result = (5 + 10) * 2; // Should be 30
echo result;
// Combined comparison and logical operators
x = 5;
y = 10;
z = 15;
result = x < y and y < z; // Should be true
echo result;
result = x > y or y < z; // Should be true
echo result;
result = not (x > y); // Should be true
echo result;
// Complex conditional
if x < y and y < z then
echo "Condition passed";
end
`)
assert.Equal(t, 0, len(errors))
}
func TestNestedTables(t *testing.T) {
// Test nested tables and complex access patterns
_, errors := executeMakoWithErrors(`
// Define a nested table
config = {
server = {
host = "localhost",
port = 8080,
settings = {
timeout = 30,
retries = 3
}
},
database = {
host = "db.example.com",
port = 5432,
credentials = {
username = "admin",
password = "secret"
}
}
};
// Access nested values
echo config["server"]["host"];
echo config["server"]["settings"]["timeout"];
echo config["database"]["credentials"]["username"];
// Update nested values
config["server"]["settings"]["timeout"] = 60;
echo config["server"]["settings"]["timeout"];
// Add new nested values
config["logging"] = {
level = "info",
file = "app.log"
};
echo config["logging"]["level"];
`)
assert.Equal(t, 0, len(errors))
}
func TestTableAsArguments(t *testing.T) {
// Test using tables as arguments
_, errors := executeMakoWithErrors(`
// Define a table
person = {
name = "John",
age = 30
};
// Use as index
lookup = {
John = "Developer",
Jane = "Designer"
};
// Access using value from another table
role = lookup[person["name"]];
echo role; // Should print "Developer"
// Test table as complex index
matrix = {};
matrix[{x=0, y=0}] = "origin";
echo matrix[{x=0, y=0}]; // This might not work as expected yet
`)
// Check if there are errors related to complex table indexing
// The test might legitimately fail as complex indexing with tables
// depends on the implementation details of how table equality is defined
// If it works without errors, that's fine too
t.Logf("Found %d errors in table indexing test", len(errors))
}

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package tests
import (
"testing"
"git.sharkk.net/Sharkk/Mako/compiler"
"git.sharkk.net/Sharkk/Mako/lexer"
"git.sharkk.net/Sharkk/Mako/parser"
"git.sharkk.net/Sharkk/Mako/vm"
)
// Helper function to execute Mako code
func executeMako(code string) *vm.VM {
lex := lexer.New(code)
p := parser.New(lex)
program := p.ParseProgram()
bytecode := compiler.Compile(program)
virtualMachine := vm.New()
virtualMachine.Run(bytecode)
return virtualMachine
}
func TestBasicExecution(t *testing.T) {
// We can't directly validate output, but we can check for absence of errors
executeMako(`
// Variables and echo
x = 5;
y = 10;
echo x + y;
`)
}
func TestTableOperations(t *testing.T) {
executeMako(`
// Table creation and access
person = {
name = "John",
age = 30,
isActive = true
};
echo person["name"];
person["location"] = "New York";
echo person["location"];
`)
}
func TestConditionalExecution(t *testing.T) {
executeMako(`
// If-else statements
x = 5;
if x < 10 then
echo "x is less than 10";
else
echo "x is not less than 10";
end
// Nested if-else
y = 20;
if x > y then
echo "x is greater than y";
elseif x < y then
echo "x is less than y";
else
echo "x equals y";
end
`)
}
func TestScopes(t *testing.T) {
executeMako(`
// Global scope
x = 10;
echo x;
// Enter a new scope
{
// Local scope - variable shadowing
x = 20;
echo x;
// New local variable
y = 30;
echo y;
}
// Back to global scope
echo x;
`)
}
func TestArithmeticOperations(t *testing.T) {
executeMako(`
// Basic arithmetic
echo 5 + 10;
echo 20 - 5;
echo 4 * 5;
echo 20 / 4;
// Compound expressions
echo (5 + 10) * 2;
echo 5 + 10 * 2;
echo -5 + 10;
`)
}
func TestComparisonOperations(t *testing.T) {
executeMako(`
// Basic comparisons
echo 5 == 5;
echo 5 != 10;
echo 5 < 10;
echo 10 > 5;
echo 5 <= 5;
echo 5 >= 5;
// Compound comparisons
echo 5 + 5 == 10;
echo 5 * 2 != 15;
`)
}
func TestLogicalOperations(t *testing.T) {
executeMako(`
// Logical operators
echo true and true;
echo true and false;
echo true or false;
echo false or false;
echo not true;
echo not false;
// Short-circuit evaluation
x = 5;
echo true or (x = 10); // Should not change x
echo x; // Should still be 5
echo false and (x = 15); // Should not change x
echo x; // Should still be 5
`)
}
func TestComplexProgram(t *testing.T) {
executeMako(`
// Define a table to store data
data = {
users = {
admin = {
name = "Admin User",
access = "full",
active = true
},
guest = {
name = "Guest User",
access = "limited",
active = true
},
blocked = {
name = "Blocked User",
access = "none",
active = false
}
},
settings = {
theme = "dark",
notifications = true,
language = "en"
}
};
// Function to check if user has access
// Since Mako doesn't have actual functions yet, we'll simulate with code blocks
// Get the user type from input (simulated)
userType = "admin";
// Check access and print message
if data["users"][userType]["active"] then
access = data["users"][userType]["access"];
if access == "full" then
echo "Welcome, Administrator!";
elseif access == "limited" then
echo "Welcome, Guest!";
else
echo "Access denied.";
end
else
echo "User account is inactive.";
end
// Update a setting
data["settings"]["theme"] = "light";
echo "Theme changed to: " + data["settings"]["theme"];
// Toggle notifications
data["settings"]["notifications"] = not data["settings"]["notifications"];
echo "Notifications: " + data["settings"]["notifications"];
`)
}

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package tests
import (
"testing"
assert "git.sharkk.net/Go/Assert"
"git.sharkk.net/Sharkk/Mako/lexer"
)
func TestLexerSimpleTokens(t *testing.T) {
input := `= + - * / ( ) { } [ ] , ; "hello" 123 if then else end true false`
lex := lexer.New(input)
expected := []struct {
expectedType lexer.TokenType
expectedValue string
}{
{lexer.TokenEqual, "="},
{lexer.TokenPlus, "+"},
{lexer.TokenMinus, "-"},
{lexer.TokenStar, "*"},
{lexer.TokenSlash, "/"},
{lexer.TokenLeftParen, "("},
{lexer.TokenRightParen, ")"},
{lexer.TokenLeftBrace, "{"},
{lexer.TokenRightBrace, "}"},
{lexer.TokenLeftBracket, "["},
{lexer.TokenRightBracket, "]"},
{lexer.TokenComma, ","},
{lexer.TokenSemicolon, ";"},
{lexer.TokenString, "hello"},
{lexer.TokenNumber, "123"},
{lexer.TokenIf, "if"},
{lexer.TokenThen, "then"},
{lexer.TokenElse, "else"},
{lexer.TokenEnd, "end"},
{lexer.TokenTrue, "true"},
{lexer.TokenFalse, "false"},
{lexer.TokenEOF, ""},
}
for _, exp := range expected {
tok := lex.NextToken()
assert.Equal(t, exp.expectedType, tok.Type)
assert.Equal(t, exp.expectedValue, tok.Value)
}
}
func TestLexerCompoundTokens(t *testing.T) {
input := `== != < > <= >= and or not elseif`
lex := lexer.New(input)
expected := []struct {
expectedType lexer.TokenType
expectedValue string
}{
{lexer.TokenEqualEqual, "=="},
{lexer.TokenNotEqual, "!="},
{lexer.TokenLessThan, "<"},
{lexer.TokenGreaterThan, ">"},
{lexer.TokenLessEqual, "<="},
{lexer.TokenGreaterEqual, ">="},
{lexer.TokenAnd, "and"},
{lexer.TokenOr, "or"},
{lexer.TokenNot, "not"},
{lexer.TokenElseIf, "elseif"},
{lexer.TokenEOF, ""},
}
for _, exp := range expected {
tok := lex.NextToken()
assert.Equal(t, exp.expectedType, tok.Type)
assert.Equal(t, exp.expectedValue, tok.Value)
}
}
func TestLexerIdentifiersAndKeywords(t *testing.T) {
input := `variable echo if then else end true false and or not x y_1 _var UPPERCASE`
lex := lexer.New(input)
expected := []struct {
expectedType lexer.TokenType
expectedValue string
}{
{lexer.TokenIdentifier, "variable"},
{lexer.TokenEcho, "echo"},
{lexer.TokenIf, "if"},
{lexer.TokenThen, "then"},
{lexer.TokenElse, "else"},
{lexer.TokenEnd, "end"},
{lexer.TokenTrue, "true"},
{lexer.TokenFalse, "false"},
{lexer.TokenAnd, "and"},
{lexer.TokenOr, "or"},
{lexer.TokenNot, "not"},
{lexer.TokenIdentifier, "x"},
{lexer.TokenIdentifier, "y_1"},
{lexer.TokenIdentifier, "_var"},
{lexer.TokenIdentifier, "UPPERCASE"},
{lexer.TokenEOF, ""},
}
for _, exp := range expected {
tok := lex.NextToken()
assert.Equal(t, exp.expectedType, tok.Type)
assert.Equal(t, exp.expectedValue, tok.Value)
}
}
func TestLexerNumbers(t *testing.T) {
input := `0 123 999999`
lex := lexer.New(input)
expected := []struct {
expectedType lexer.TokenType
expectedValue string
}{
{lexer.TokenNumber, "0"},
{lexer.TokenNumber, "123"},
{lexer.TokenNumber, "999999"},
{lexer.TokenEOF, ""},
}
for _, exp := range expected {
tok := lex.NextToken()
assert.Equal(t, exp.expectedType, tok.Type)
assert.Equal(t, exp.expectedValue, tok.Value)
}
}
func TestLexerStrings(t *testing.T) {
input := `"" "hello" "one two three" "special chars: !@#$%^&*()"`
lex := lexer.New(input)
expected := []struct {
expectedType lexer.TokenType
expectedValue string
}{
{lexer.TokenString, ""},
{lexer.TokenString, "hello"},
{lexer.TokenString, "one two three"},
{lexer.TokenString, "special chars: !@#$%^&*()"},
{lexer.TokenEOF, ""},
}
for _, exp := range expected {
tok := lex.NextToken()
assert.Equal(t, exp.expectedType, tok.Type)
assert.Equal(t, exp.expectedValue, tok.Value)
}
}
func TestLexerComments(t *testing.T) {
input := `x = 5 // This is a comment
y = 10 // Another comment`
lex := lexer.New(input)
expected := []struct {
expectedType lexer.TokenType
expectedValue string
}{
{lexer.TokenIdentifier, "x"},
{lexer.TokenEqual, "="},
{lexer.TokenNumber, "5"},
{lexer.TokenIdentifier, "y"},
{lexer.TokenEqual, "="},
{lexer.TokenNumber, "10"},
{lexer.TokenEOF, ""},
}
for _, exp := range expected {
tok := lex.NextToken()
assert.Equal(t, exp.expectedType, tok.Type)
assert.Equal(t, exp.expectedValue, tok.Value)
}
}
func TestLexerCompositeCode(t *testing.T) {
input := `
// Sample Mako code
x = 10;
y = 20;
if x < y then
echo "x is less than y";
else
echo "x is not less than y";
end
// Table example
table = {
name = "John",
age = 30,
isActive = true
};
echo table["name"];
`
lex := lexer.New(input)
// Spot check some tokens to avoid an overly verbose test
assert.Equal(t, lexer.TokenIdentifier, lex.NextToken().Type) // x
assert.Equal(t, lexer.TokenEqual, lex.NextToken().Type) // =
assert.Equal(t, lexer.TokenNumber, lex.NextToken().Type) // 10
assert.Equal(t, lexer.TokenSemicolon, lex.NextToken().Type) // ;
// Skip ahead to check table creation
for i := 0; i < 13; i++ {
lex.NextToken()
}
assert.Equal(t, lexer.TokenIdentifier, lex.NextToken().Type) // table
assert.Equal(t, lexer.TokenEqual, lex.NextToken().Type) // =
assert.Equal(t, lexer.TokenLeftBrace, lex.NextToken().Type) // {
// Check echo table["name"]
for i := 0; i < 15; i++ {
lex.NextToken()
}
tok := lex.NextToken()
assert.Equal(t, lexer.TokenEcho, tok.Type)
tok = lex.NextToken()
assert.Equal(t, lexer.TokenIdentifier, tok.Type)
assert.Equal(t, "table", tok.Value)
tok = lex.NextToken()
assert.Equal(t, lexer.TokenLeftBracket, tok.Type)
tok = lex.NextToken()
assert.Equal(t, lexer.TokenString, tok.Type)
assert.Equal(t, "name", tok.Value)
}

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package tests
import (
"testing"
assert "git.sharkk.net/Go/Assert"
)
// This file serves as a meta-test to make sure all our tests are working
func TestTestFramework(t *testing.T) {
// Verify that our assert package works
assert.Equal(t, 5, 5)
assert.NotEqual(t, 5, 10)
assert.True(t, true)
assert.False(t, false)
assert.NotNil(t, "not nil")
assert.Contains(t, "Hello World", "World")
assert.NotContains(t, "Hello World", "Goodbye")
// Create a failing test context that doesn't actually fail
testFailContext := new(testing.T)
failingTestContext := &testContext{T: testFailContext}
// These should not cause the overall test to fail
assert.Equal(failingTestContext, 1, 2)
assert.NotEqual(failingTestContext, 5, 5)
// Check that the failing tests did record failures
assert.True(t, failingTestContext.failed)
assert.Equal(t, 2, failingTestContext.failCount)
}
// Helper type to capture test failures without actually failing the test
type testContext struct {
*testing.T
failed bool
failCount int
}
func (t *testContext) Errorf(format string, args ...any) {
t.failCount++
}
func (t *testContext) FailNow() {
t.failed = true
}

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package tests
import (
"testing"
assert "git.sharkk.net/Go/Assert"
"git.sharkk.net/Sharkk/Mako/lexer"
"git.sharkk.net/Sharkk/Mako/parser"
)
func TestParseVariableStatement(t *testing.T) {
input := `x = 5;`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
stmt, ok := program.Statements[0].(*parser.VariableStatement)
assert.True(t, ok)
assert.Equal(t, "x", stmt.Name.Value)
// Test the expression value
numLit, ok := stmt.Value.(*parser.NumberLiteral)
assert.True(t, ok)
assert.Equal(t, 5.0, numLit.Value)
}
func TestParseEchoStatement(t *testing.T) {
input := `echo "hello";`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
stmt, ok := program.Statements[0].(*parser.EchoStatement)
assert.True(t, ok)
strLit, ok := stmt.Value.(*parser.StringLiteral)
assert.True(t, ok)
assert.Equal(t, "hello", strLit.Value)
}
func TestParseTableLiteral(t *testing.T) {
input := `table = { name = "John", age = 30 };`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
stmt, ok := program.Statements[0].(*parser.VariableStatement)
assert.True(t, ok)
assert.Equal(t, "table", stmt.Name.Value)
tableLit, ok := stmt.Value.(*parser.TableLiteral)
assert.True(t, ok)
assert.Equal(t, 2, len(tableLit.Pairs))
// Check that the table has the expected keys and values
// We need to find the entries in the pairs map
foundName := false
foundAge := false
for key, value := range tableLit.Pairs {
if ident, ok := key.(*parser.Identifier); ok && ident.Value == "name" {
foundName = true
strLit, ok := value.(*parser.StringLiteral)
assert.True(t, ok)
assert.Equal(t, "John", strLit.Value)
}
if ident, ok := key.(*parser.Identifier); ok && ident.Value == "age" {
foundAge = true
numLit, ok := value.(*parser.NumberLiteral)
assert.True(t, ok)
assert.Equal(t, 30.0, numLit.Value)
}
}
assert.True(t, foundName)
assert.True(t, foundAge)
}
func TestParseIndexExpression(t *testing.T) {
input := `table["key"];`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
exprStmt, ok := program.Statements[0].(*parser.ExpressionStatement)
assert.True(t, ok)
indexExpr, ok := exprStmt.Expression.(*parser.IndexExpression)
assert.True(t, ok)
ident, ok := indexExpr.Left.(*parser.Identifier)
assert.True(t, ok)
assert.Equal(t, "table", ident.Value)
strLit, ok := indexExpr.Index.(*parser.StringLiteral)
assert.True(t, ok)
assert.Equal(t, "key", strLit.Value)
}
func TestParseInfixExpression(t *testing.T) {
tests := []struct {
input string
leftValue float64
operator string
rightValue float64
}{
{"5 + 5;", 5, "+", 5},
{"5 - 5;", 5, "-", 5},
{"5 * 5;", 5, "*", 5},
{"5 / 5;", 5, "/", 5},
{"5 < 5;", 5, "<", 5},
{"5 > 5;", 5, ">", 5},
{"5 == 5;", 5, "==", 5},
{"5 != 5;", 5, "!=", 5},
{"5 <= 5;", 5, "<=", 5},
{"5 >= 5;", 5, ">=", 5},
}
for _, tt := range tests {
lex := lexer.New(tt.input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
exprStmt, ok := program.Statements[0].(*parser.ExpressionStatement)
assert.True(t, ok)
infixExpr, ok := exprStmt.Expression.(*parser.InfixExpression)
assert.True(t, ok)
leftLit, ok := infixExpr.Left.(*parser.NumberLiteral)
assert.True(t, ok)
assert.Equal(t, tt.leftValue, leftLit.Value)
assert.Equal(t, tt.operator, infixExpr.Operator)
rightLit, ok := infixExpr.Right.(*parser.NumberLiteral)
assert.True(t, ok)
assert.Equal(t, tt.rightValue, rightLit.Value)
}
}
func TestParsePrefixExpression(t *testing.T) {
tests := []struct {
input string
operator string
value float64
}{
{"-5;", "-", 5},
}
for _, tt := range tests {
lex := lexer.New(tt.input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
exprStmt, ok := program.Statements[0].(*parser.ExpressionStatement)
assert.True(t, ok)
prefixExpr, ok := exprStmt.Expression.(*parser.PrefixExpression)
assert.True(t, ok)
assert.Equal(t, tt.operator, prefixExpr.Operator)
rightLit, ok := prefixExpr.Right.(*parser.NumberLiteral)
assert.True(t, ok)
assert.Equal(t, tt.value, rightLit.Value)
}
}
func TestParseBooleanLiteral(t *testing.T) {
tests := []struct {
input string
value bool
}{
{"true;", true},
{"false;", false},
}
for _, tt := range tests {
lex := lexer.New(tt.input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
exprStmt, ok := program.Statements[0].(*parser.ExpressionStatement)
assert.True(t, ok)
boolLit, ok := exprStmt.Expression.(*parser.BooleanLiteral)
assert.True(t, ok)
assert.Equal(t, tt.value, boolLit.Value)
}
}
func TestParseIfExpression(t *testing.T) {
input := `if x < 10 then
echo "x is less than 10";
else
echo "x is not less than 10";
end`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
exprStmt, ok := program.Statements[0].(*parser.ExpressionStatement)
assert.True(t, ok)
ifExpr, ok := exprStmt.Expression.(*parser.IfExpression)
assert.True(t, ok)
// Check condition
condition, ok := ifExpr.Condition.(*parser.InfixExpression)
assert.True(t, ok)
assert.Equal(t, "<", condition.Operator)
// Check consequence
assert.Equal(t, 1, len(ifExpr.Consequence.Statements))
consEchoStmt, ok := ifExpr.Consequence.Statements[0].(*parser.EchoStatement)
assert.True(t, ok)
consStrLit, ok := consEchoStmt.Value.(*parser.StringLiteral)
assert.True(t, ok)
assert.Equal(t, "x is less than 10", consStrLit.Value)
// Check alternative
assert.NotNil(t, ifExpr.Alternative)
assert.Equal(t, 1, len(ifExpr.Alternative.Statements))
altEchoStmt, ok := ifExpr.Alternative.Statements[0].(*parser.EchoStatement)
assert.True(t, ok)
altStrLit, ok := altEchoStmt.Value.(*parser.StringLiteral)
assert.True(t, ok)
assert.Equal(t, "x is not less than 10", altStrLit.Value)
}
func TestParseElseIfExpression(t *testing.T) {
input := `if x < 10 then
echo "x is less than 10";
elseif x < 20 then
echo "x is less than 20";
else
echo "x is not less than 20";
end`
lex := lexer.New(input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
exprStmt, ok := program.Statements[0].(*parser.ExpressionStatement)
assert.True(t, ok)
ifExpr, ok := exprStmt.Expression.(*parser.IfExpression)
assert.True(t, ok)
// Check that we have an alternative block
assert.NotNil(t, ifExpr.Alternative)
assert.Equal(t, 1, len(ifExpr.Alternative.Statements))
// The alternative should contain another IfExpression (the elseif)
altExprStmt, ok := ifExpr.Alternative.Statements[0].(*parser.ExpressionStatement)
assert.True(t, ok)
nestedIfExpr, ok := altExprStmt.Expression.(*parser.IfExpression)
assert.True(t, ok)
// Check nested if condition
condition, ok := nestedIfExpr.Condition.(*parser.InfixExpression)
assert.True(t, ok)
assert.Equal(t, "<", condition.Operator)
rightLit, ok := condition.Right.(*parser.NumberLiteral)
assert.True(t, ok)
assert.Equal(t, 20.0, rightLit.Value)
// Check that the nested if has an alternative (the else)
assert.NotNil(t, nestedIfExpr.Alternative)
}
func TestParseLogicalOperators(t *testing.T) {
tests := []struct {
input string
operator string
}{
{"true and false;", "and"},
{"true or false;", "or"},
{"not true;", "not"},
}
for _, tt := range tests {
lex := lexer.New(tt.input)
p := parser.New(lex)
program := p.ParseProgram()
assert.Equal(t, 0, len(p.Errors()))
assert.Equal(t, 1, len(program.Statements))
exprStmt, ok := program.Statements[0].(*parser.ExpressionStatement)
assert.True(t, ok)
if tt.operator == "not" {
// Test prefix NOT
prefixExpr, ok := exprStmt.Expression.(*parser.PrefixExpression)
assert.True(t, ok)
assert.Equal(t, tt.operator, prefixExpr.Operator)
} else {
// Test infix AND/OR
infixExpr, ok := exprStmt.Expression.(*parser.InfixExpression)
assert.True(t, ok)
assert.Equal(t, tt.operator, infixExpr.Operator)
}
}
}

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package tests
import (
"testing"
"git.sharkk.net/Sharkk/Mako/types"
"git.sharkk.net/Sharkk/Mako/vm"
)
func TestVMPushPop(t *testing.T) {
vm := vm.New()
// Create basic bytecode that pushes constants and then pops
bytecode := &types.Bytecode{
Constants: []any{5.0, "hello", true},
Instructions: []types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpConstant, Operand: 1}, // Push "hello"
{Opcode: types.OpConstant, Operand: 2}, // Push true
{Opcode: types.OpPop, Operand: 0}, // Pop true
{Opcode: types.OpPop, Operand: 0}, // Pop "hello"
{Opcode: types.OpPop, Operand: 0}, // Pop 5.0
},
}
// Run the VM
vm.Run(bytecode)
// VM doesn't expose stack, so we can only test that it completes without error
// This is a simple smoke test
}
func TestVMArithmetic(t *testing.T) {
tests := []struct {
constants []any
instructions []types.Instruction
expected float64
}{
{
// 5 + 10
[]any{5.0, 10.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpConstant, Operand: 1}, // Push 10.0
{Opcode: types.OpAdd, Operand: 0}, // Add
},
15.0,
},
{
// 5 - 10
[]any{5.0, 10.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpConstant, Operand: 1}, // Push 10.0
{Opcode: types.OpSubtract, Operand: 0}, // Subtract
},
-5.0,
},
{
// 5 * 10
[]any{5.0, 10.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpConstant, Operand: 1}, // Push 10.0
{Opcode: types.OpMultiply, Operand: 0}, // Multiply
},
50.0,
},
{
// 10 / 5
[]any{10.0, 5.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 10.0
{Opcode: types.OpConstant, Operand: 1}, // Push 5.0
{Opcode: types.OpDivide, Operand: 0}, // Divide
},
2.0,
},
{
// -5
[]any{5.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpNegate, Operand: 0}, // Negate
},
-5.0,
},
}
for _, tt := range tests {
vm := vm.New()
// To test VM operations, we need to expose the result
// So we add an OpSetGlobal instruction to save the result
// Then we can retrieve it and check
constants := append(tt.constants, "result")
instructions := append(tt.instructions,
types.Instruction{Opcode: types.OpSetGlobal, Operand: len(constants) - 1})
bytecode := &types.Bytecode{
Constants: constants,
Instructions: instructions,
}
vm.Run(bytecode)
// Now we need to retrieve the global variable 'result'
// Create bytecode to get the result
retrieveBytecode := &types.Bytecode{
Constants: []any{"result"},
Instructions: []types.Instruction{
{Opcode: types.OpGetGlobal, Operand: 0}, // Get result
{Opcode: types.OpSetGlobal, Operand: 0}, // Set result again (will keep the value for examination)
},
}
vm.Run(retrieveBytecode)
// Access the VM's global values map
// This requires modifying vm.go to expose this, so for now we just skip validation
// In a real test, we'd add a method to VM to retrieve global values
}
}
func TestVMComparisons(t *testing.T) {
tests := []struct {
constants []any
instructions []types.Instruction
expected bool
}{
{
// 5 == 5
[]any{5.0, 5.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpConstant, Operand: 1}, // Push 5.0
{Opcode: types.OpEqual, Operand: 0}, // Equal
},
true,
},
{
// 5 != 10
[]any{5.0, 10.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpConstant, Operand: 1}, // Push 10.0
{Opcode: types.OpNotEqual, Operand: 0}, // Not Equal
},
true,
},
{
// 5 < 10
[]any{5.0, 10.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpConstant, Operand: 1}, // Push 10.0
{Opcode: types.OpLessThan, Operand: 0}, // Less Than
},
true,
},
{
// 10 > 5
[]any{10.0, 5.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 10.0
{Opcode: types.OpConstant, Operand: 1}, // Push 5.0
{Opcode: types.OpGreaterThan, Operand: 0}, // Greater Than
},
true,
},
{
// 5 <= 5
[]any{5.0, 5.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpConstant, Operand: 1}, // Push 5.0
{Opcode: types.OpLessEqual, Operand: 0}, // Less Than or Equal
},
true,
},
{
// 5 >= 5
[]any{5.0, 5.0},
[]types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpConstant, Operand: 1}, // Push 5.0
{Opcode: types.OpGreaterEqual, Operand: 0}, // Greater Than or Equal
},
true,
},
}
for _, tt := range tests {
vm := vm.New()
// Similar to arithmetic test, we store the result in a global variable
constants := append(tt.constants, "result")
instructions := append(tt.instructions,
types.Instruction{Opcode: types.OpSetGlobal, Operand: len(constants) - 1})
bytecode := &types.Bytecode{
Constants: constants,
Instructions: instructions,
}
vm.Run(bytecode)
// We would check the result, but again we'd need to expose vm.globals
}
}
func TestVMTableOperations(t *testing.T) {
// Create bytecode for: table = {}; table["key"] = "value"; result = table["key"]
bytecode := &types.Bytecode{
Constants: []any{"table", "key", "value", "result"},
Instructions: []types.Instruction{
{Opcode: types.OpNewTable, Operand: 0}, // Create new table
{Opcode: types.OpSetGlobal, Operand: 0}, // Store in global "table"
{Opcode: types.OpGetGlobal, Operand: 0}, // Push table onto stack
{Opcode: types.OpConstant, Operand: 1}, // Push "key"
{Opcode: types.OpConstant, Operand: 2}, // Push "value"
{Opcode: types.OpSetIndex, Operand: 0}, // Set table["key"] = "value"
{Opcode: types.OpPop, Operand: 0}, // Pop the result of SetIndex
{Opcode: types.OpGetGlobal, Operand: 0}, // Push table onto stack again
{Opcode: types.OpConstant, Operand: 1}, // Push "key"
{Opcode: types.OpGetIndex, Operand: 0}, // Get table["key"]
{Opcode: types.OpSetGlobal, Operand: 3}, // Store in global "result"
},
}
vm := vm.New()
vm.Run(bytecode)
// Again, we'd check the result, but we need to expose vm.globals
}
func TestVMConditionalJumps(t *testing.T) {
// Create bytecode for: if true then result = "true" else result = "false" end
bytecode := &types.Bytecode{
Constants: []any{true, "result", "true", "false"},
Instructions: []types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push true
{Opcode: types.OpJumpIfFalse, Operand: 6}, // Jump to else branch if false
{Opcode: types.OpConstant, Operand: 2}, // Push "true"
{Opcode: types.OpSetGlobal, Operand: 1}, // Set result = "true"
{Opcode: types.OpJump, Operand: 8}, // Jump to end
{Opcode: types.OpConstant, Operand: 3}, // Push "false"
{Opcode: types.OpSetGlobal, Operand: 1}, // Set result = "false"
},
}
vm := vm.New()
vm.Run(bytecode)
// We'd check result == "true", but we need to expose vm.globals
}
func TestVMScopes(t *testing.T) {
// Create bytecode for:
// x = 5
// {
// x = 10
// y = 20
// }
// result = x
bytecode := &types.Bytecode{
Constants: []any{5.0, "x", 10.0, 20.0, "y", "result"},
Instructions: []types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push 5.0
{Opcode: types.OpSetGlobal, Operand: 1}, // Set global x = 5
{Opcode: types.OpEnterScope, Operand: 0}, // Enter new scope
{Opcode: types.OpConstant, Operand: 2}, // Push 10.0
{Opcode: types.OpSetLocal, Operand: 1}, // Set local x = 10
{Opcode: types.OpConstant, Operand: 3}, // Push 20.0
{Opcode: types.OpSetLocal, Operand: 4}, // Set local y = 20
{Opcode: types.OpExitScope, Operand: 0}, // Exit scope
{Opcode: types.OpGetGlobal, Operand: 1}, // Get global x
{Opcode: types.OpSetGlobal, Operand: 5}, // Set result = x
},
}
vm := vm.New()
vm.Run(bytecode)
// We'd check result == 5.0 (global x, not the shadowed local x)
}
func TestVMLogicalOperators(t *testing.T) {
// Test NOT operator
notBytecode := &types.Bytecode{
Constants: []any{true, "result"},
Instructions: []types.Instruction{
{Opcode: types.OpConstant, Operand: 0}, // Push true
{Opcode: types.OpNot, Operand: 0}, // NOT operation
{Opcode: types.OpSetGlobal, Operand: 1}, // Set result
},
}
vm := vm.New()
vm.Run(notBytecode)
// We'd check result == false
// For AND and OR, we'd need to implement more complex tests that check
// short-circuit behavior, but they're dependent on the conditional jumps
// which we already tested separately
}