Initial project import

tools/v/vlib/dl/dl_test.v

@@ -0,0 +1,46 @@
+import dl
+
+fn test_dl() {
+	$if linux {
+		run_test_invalid_lib_linux()
+		return
+	}
+	$if windows {
+		run_test_invalid_lib_windows()
+		run_test_valid_lib_windows()
+		run_test_invalid_sym_windows()
+		run_test_valid_sym_windows()
+		return
+	} $else {
+		eprint('currently not implemented on this platform')
+	}
+}
+
+fn run_test_invalid_lib_linux() {
+	// ensure a not-existing dl won't be loaded
+	h := dl.open('not-existing-dynamic-link-library', dl.rtld_now)
+	assert h == 0
+}
+
+fn run_test_invalid_lib_windows() {
+	// ensure a not-existing dl won't be loaded
+	h := dl.open('not-existing-dynamic-link-library', dl.rtld_now)
+	assert h == 0
+}
+
+fn run_test_valid_lib_windows() {
+	h := dl.open('shell32', dl.rtld_now)
+	assert h != 0
+}
+
+fn run_test_invalid_sym_windows() {
+	h := dl.open('shell32', dl.rtld_now)
+	proc := dl.sym(h, 'CommandLineToArgvW2')
+	assert proc == 0
+}
+
+fn run_test_valid_sym_windows() {
+	h := dl.open('shell32', dl.rtld_now)
+	proc := dl.sym(h, 'CommandLineToArgvW')
+	assert proc != 0
+}