From d4a272edf46ad64b5bb9f1d1305f471d1f15ecfa Mon Sep 17 00:00:00 2001
From: Thomas Voss <thomasvoss@live.com>
Date: Fri, 8 Oct 2021 23:46:05 +0200
Subject: [Meta] Initial commit

---
 tests/run.sh   | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 tests/tests.go | 23 +++++++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100755 tests/run.sh
 create mode 100644 tests/tests.go

(limited to 'tests')

diff --git a/tests/run.sh b/tests/run.sh
new file mode 100755
index 0000000..509acf0
--- /dev/null
+++ b/tests/run.sh
@@ -0,0 +1,48 @@
+#!/usr/bin/env sh
+
+compare()
+{
+	[ "$2" = "$3" ] && printf "\033[38;5;10mSuccess:\033[39;49m %s\n" "$1" ||
+		printf "\033[38;5;9mFail:\033[39;49m %s <expected \`\`%s'' but got \`\`%s''>\n" \
+			"$1" "$2" "$3"
+}
+
+cd "${0%/*}"
+
+trap 'rm -f tests tests2 tests2.go' EXIT
+go build tests.go
+
+compare "no args" "" "$(./tests)"
+compare "-a with valid arg" "Valid flag 'a' with arg 'testy'" "$(./tests -a testy test)"
+compare "-a with no arg" "Valid flag 'a' with no arg" "$(./tests -a)"
+compare "-a with valid arg and no space" "Valid flag 'a' with arg 'testy'" "$(./tests -atesty test)"
+compare "-x with no args" "Valid flag 'x'" "$(./tests -x)"
+compare "-x with args" "Valid flag 'x'" "$(./tests -x testy test)"
+compare "-x and -a with args" "Valid flag 'x'
+Valid flag 'a' with arg 'testy test'" "$(./tests -x -a 'testy test')"
+compare "-xa with args" "Valid flag 'x'
+Valid flag 'a' with arg 'testy test'" "$(./tests -xa 'testy test')"
+compare "-ax with args" "Valid flag 'a' with arg 'x'" "$(./tests -ax 'testy test')"
+compare "-ax with args" "Valid flag 'a' with arg 'x'" "$(./tests -ax 'testy test')"
+compare "-x after --" "" "$(./tests -- -x)"
+compare "-a with args after --" "" "$(./tests -- -a testy test)"
+compare "-a with args then -x after --" "Valid flag 'a' with arg 'testy'" \
+	"$(./tests -a testy test -- -x)"
+compare "-a with args then -x after empty string" "Valid flag 'a' with arg 'testy'" \
+	"$(./tests -a testy test '' -x)"
+compare "-x chained 3 times" "Valid flag 'x'
+Valid flag 'x'
+Valid flag 'x'" "$(./tests -xxx)"
+compare "-x as arg to -a" "Valid flag 'a' with arg '-x'" "$(./tests -a -x)"
+compare "invalid flag -b" "Invalid flag 'b'" "$(./tests -b)"
+compare "invalid flag -b with args" "Invalid flag 'b'" "$(./tests -b testy test)"
+compare "-x after non option arg" "" "$(./tests testy -x)"
+compare "-x after -" "" "$(./tests testy - -x)"
+
+sed '/Getopt(/s/:a:x/a:x/' tests.go >tests2.go
+go build tests2.go
+
+compare "-a with no arg and optstring[0] != ':'" "option requires an argument -- a
+Invalid flag 'a'" "$(2>&1 ./tests2 -a)"
+compare "invalid flag -b and optstring[0] != ':'" "unknown option -- b
+Invalid flag 'b'" "$(2>&1 ./tests2 -b)"
diff --git a/tests/tests.go b/tests/tests.go
new file mode 100644
index 0000000..47aef19
--- /dev/null
+++ b/tests/tests.go
@@ -0,0 +1,23 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/Mango0x45/getgopt"
+)
+
+func main() {
+	for opt := byte(0); getgopt.Getopt(len(os.Args), os.Args, ":a:x", &opt); {
+		switch opt {
+		case 'a':
+			fmt.Printf("Valid flag 'a' with arg '%s'\n", getgopt.Optarg)
+		case 'x':
+			fmt.Println("Valid flag 'x'")
+		case ':':
+			fmt.Printf("Valid flag '%c' with no arg\n", getgopt.Optopt)
+		case '?':
+			fmt.Printf("Invalid flag '%c'\n", getgopt.Optopt)
+		}
+	}
+}
-- 
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