Ein Anderssono
54d2fecee0
- Added implementations for: bash, brainfuck, c, cpp, crystal, csharp, d, dart, elixir, erlang, fortran, go, haskell, java, javascript, julia, kotlin, objective-c, scala, typescript, lua, nim, odin, perl, php, python, r, ruby, rust, swift, zig, assembly, vimscript, wolfram - All implementations use Machin's formula: π/4 = 4*arctan(1/5) - arctan(1/239) - Build system with ./build.sh, test system with ./test.sh - Performance testing with ./run_all.sh - Comprehensive README.md explaining performance differences - Test framework verifies correctness against known π values
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package main
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import (
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"os/exec"
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"strings"
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"testing"
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)
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const scriptPath = "/Users/einand/Code/test/go/print_hej"
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func runScript(decimals ...int) string {
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args := []string{}
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if len(decimals) > 0 {
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args = append(args, string(rune(decimals[0])))
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}
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cmd := exec.Command(scriptPath, args...)
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output, err := cmd.Output()
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if err != nil {
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panic(err)
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}
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return strings.TrimSpace(string(output))
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}
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func Test10Decimals(t *testing.T) {
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result := runScript(10)
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expected := "3.1415926535"
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if result != expected {
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t.Errorf("Expected %s, got %s", expected, result)
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}
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}
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func Test5Decimals(t *testing.T) {
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result := runScript(5)
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expected := "3.14159"
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if result != expected {
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t.Errorf("Expected %s, got %s", expected, result)
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}
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}
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func Test1Decimal(t *testing.T) {
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result := runScript(1)
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expected := "3.1"
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if result != expected {
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t.Errorf("Expected %s, got %s", expected, result)
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}
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}
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func Test100Decimals(t *testing.T) {
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result := runScript(100)
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expected := "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679"
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if result != expected {
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t.Errorf("Expected %s, got %s", expected, result)
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}
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}
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func TestDefault100Decimals(t *testing.T) {
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result := runScript()
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expected := "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679"
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if result != expected {
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t.Errorf("Expected %s, got %s", expected, result)
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}
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}
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func Test10000Decimals(t *testing.T) {
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result := runScript(10000)
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// Check length: "3." + 10000 digits = 10002 characters
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if len(result) != 10002 {
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t.Errorf("Expected 10002 characters, got %d", len(result))
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}
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if !strings.HasPrefix(result, "3.14159") {
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t.Errorf("Result should start with 3.14159, got %s", result[:10])
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}
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} |