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Test helpers should be at the bottom.

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git-svn-id: https://svn.tlawal.org/svn/monkey@29 f6afcba9-9ef1-4bdd-9b72-7484f5705bac
This commit is contained in:
Tijani Lawal 2022-06-12 14:50:08 +00:00
parent 2fa35abbc3
commit d1863830af
1 changed files with 62 additions and 58 deletions
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120
parser/parser_test.go
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@ -8,20 +8,6 @@ import (
"testing" "testing"
) )
func check_parser_errors(l_test *testing.T, l_parser *Parser) {
errors := l_parser.Errors()
if len(errors) == 0 {
return
}
l_test.Errorf("parser has %d errors", len(errors))
for _, message := range errors {
l_test.Errorf("parser error: %q", message)
}
l_test.FailNow()
}
func TestLetStatement(l_test *testing.T) { func TestLetStatement(l_test *testing.T) {
input := ` input := `
let x = 4; let x = 4;
@ -59,31 +45,6 @@ func TestLetStatement(l_test *testing.T) {
} }
} }
func testLetStatement(l_test *testing.T, statement ast.Statement, name string) bool {
if statement.TokenLiteral() != "let" {
l_test.Errorf("statement.TokenLiteral not let, got=%q", statement.TokenLiteral())
return false
}
let_statement, ok := statement.(*ast.LetStatement)
if !ok {
l_test.Errorf("statement not *ast.LetStatement, got=%T", statement)
return false
}
if let_statement.Name.Value != name {
l_test.Errorf("let_statement.name.Value not %s, got=%s", name, let_statement.Name.Value)
return false
}
if let_statement.Name.TokenLiteral() != name {
l_test.Errorf("let_statement.name.TokenLiteral() not %s, got=%s", name, let_statement.Name.TokenLiteral())
return false
}
return true
}
func TestReturnStatement(l_test *testing.T) { func TestReturnStatement(l_test *testing.T) {
input := ` input := `
return 6; return 6;
@ -217,25 +178,6 @@ func TestParsingPrefixExpression(l_test *testing.T) {
} }
} }
func testIntegerLiteral(l_test *testing.T, il ast.Expression, value int64) bool {
integer, ok := il.(*ast.IntegerLiteral)
if !ok {
l_test.Errorf("il not *ast.IntegerLiteral, got=%T", il)
return false
}
if integer.Value != value {
l_test.Errorf("integer.Value not %d, got=%d", value, integer.Value)
return false
}
if integer.TokenLiteral() != fmt.Sprintf("%d", value) {
l_test.Errorf("integer.TokenLiteral not %d, got=%s", value, integer.TokenLiteral())
return false
}
return true
}
func TestParsingInfixExpressions(l_test *testing.T) { func TestParsingInfixExpressions(l_test *testing.T) {
infix_tests := []struct { infix_tests := []struct {
input string input string
@ -353,3 +295,65 @@ func TestOperatorPrecedenceParsing(l_test *testing.T) {
} }
} }
} }
// Helpers
func check_parser_errors(l_test *testing.T, l_parser *Parser) {
errors := l_parser.Errors()
if len(errors) == 0 {
return
}
l_test.Errorf("parser has %d errors", len(errors))
for _, message := range errors {
l_test.Errorf("parser error: %q", message)
}
l_test.FailNow()
}
func testIntegerLiteral(l_test *testing.T, il ast.Expression, value int64) bool {
integer, ok := il.(*ast.IntegerLiteral)
if !ok {
l_test.Errorf("il not *ast.IntegerLiteral, got=%T", il)
return false
}
if integer.Value != value {
l_test.Errorf("integer.Value not %d, got=%d", value, integer.Value)
return false
}
if integer.TokenLiteral() != fmt.Sprintf("%d", value) {
l_test.Errorf("integer.TokenLiteral not %d, got=%s", value, integer.TokenLiteral())
return false
}
return true
}
func testLetStatement(l_test *testing.T, statement ast.Statement, name string) bool {
if statement.TokenLiteral() != "let" {
l_test.Errorf("statement.TokenLiteral not let, got=%q", statement.TokenLiteral())
return false
}
let_statement, ok := statement.(*ast.LetStatement)
if !ok {
l_test.Errorf("statement not *ast.LetStatement, got=%T", statement)
return false
}
if let_statement.Name.Value != name {
l_test.Errorf("let_statement.name.Value not %s, got=%s", name, let_statement.Name.Value)
return false
}
if let_statement.Name.TokenLiteral() != name {
l_test.Errorf("let_statement.name.TokenLiteral() not %s, got=%s", name, let_statement.Name.TokenLiteral())
return false
}
return true
}