Add space separated argument parser with quoting

1 files changed, 104 insertions, 0 deletions

diff --git a/test/test-args.cc b/test/test-args.cc
new file mode 100644
index 0000000..a9d4328
--- /dev/null
+++ b/test/test-args.cc
@@ -0,0 +1,104 @@
+#include "common.hh"
+
+#include <cstdarg>
+#include <iostream>
+
+#include "args.hh"
+
+using namespace stuff;
+
+namespace {
+
+bool compare(const std::string& in, const std::vector<std::string>& out,
+             va_list args) {
+    for (const auto& arg : out) {
+        const char* str = va_arg(args, const char*);
+        if (!str) {
+            std::cerr << "expected less arguments: " << in
+                      << ", first extra: " << arg << std::endl;
+            return false;
+        }
+        if (arg.compare(str) != 0) {
+            std::cerr << "expected " << str << " in " << in
+                      << ", got: " << arg << std::endl;
+            return false;
+        }
+    }
+    const char* str = va_arg(args, const char*);
+    if (str) {
+        std::cerr << "expected more arguments: " << in
+                  << ", missing: " << str << std::endl;
+        return false;
+    }
+    return true;
+}
+
+bool test(const char* in, ...) {
+    std::vector<std::string> out;
+    if (!Args::parse(in, &out, false)) {
+        std::cerr << "expected success: " << in << std::endl;
+        return false;
+    }
+    va_list args;
+    va_start(args, in);
+    bool ret = compare(in, out, args);
+    va_end(args);
+    return ret;
+}
+
+bool test_nice(const char* in, ...) {
+    std::vector<std::string> out;
+    if (!Args::parse(in, &out, true)) {
+        std::cerr << "expected success: " << in << std::endl;
+        return false;
+    }
+    va_list args;
+    va_start(args, in);
+    bool ret = compare(in, out, args);
+    va_end(args);
+    return ret;
+}
+
+bool test_fail(const std::string& in) {
+    std::vector<std::string> out;
+    if (Args::parse(in, &out, false)) {
+        std::cerr << "expected fail: " << in << std::endl;
+        return false;
+    }
+    return true;
+}
+
+}  // namespace
+
+int main() {
+    unsigned int ok = 0, tot = 0;
+
+    tot++; if (test("", NULL)) ok++;
+    tot++; if (test("foo", "foo", NULL)) ok++;
+    tot++; if (test("hello world", "hello", "world", NULL)) ok++;
+    tot++; if (test("\"hello world\"", "hello world", NULL)) ok++;
+    tot++; if (test("'hello world'", "hello world", NULL)) ok++;
+    tot++; if (test("a' b'", "a b", NULL)) ok++;
+    tot++; if (test("a'b'ba", "abba", NULL)) ok++;
+    tot++; if (test("a'b'b '' a", "abb", "", "a", NULL)) ok++;
+    tot++; if (test("'\"'", "\"", NULL)) ok++;
+    tot++; if (test("'\\\"'", "\"", NULL)) ok++;
+    tot++; if (test("'\\\\'", "\\", NULL)) ok++;
+    tot++; if (test("'\\''", "'", NULL)) ok++;
+    tot++; if (test("'a\\'b'", "a'b", NULL)) ok++;
+    tot++; if (test("a'\\''b", "a'b", NULL)) ok++;
+
+    tot++; if (test_nice("a'b", "a'b", NULL)) ok++;
+    tot++; if (test_nice("a'b foo", "a'b", "foo", NULL)) ok++;
+    tot++; if (test_nice("'\\", "'\\", NULL)) ok++;
+    tot++; if (test_nice("'\\'", "'\\'", NULL)) ok++;
+
+    tot++; if (test_fail("'")) ok++;
+    tot++; if (test_fail("'''")) ok++;
+    tot++; if (test_fail("\"")) ok++;
+    tot++; if (test_fail("'\\")) ok++;
+    tot++; if (test_fail("'\\'")) ok++;
+
+    std::cout << "OK " << ok << "/" << tot << std::endl;
+    return ok == tot ? EXIT_SUCCESS : EXIT_FAILURE;
+}