glib-2.0: Add optional 'unparsed' parameter to *.try_parse ()

This reintroduces a dropped feature of string.to_*() while returning the
maybe available unparsed part of the string.

https://bugzilla.gnome.org/show_bug.cgi?id=774124

2 files changed, 19 insertions, 0 deletions

diff --git a/tests/basic-types/floats.vala b/tests/basic-types/floats.vala
index 3f6eaa18e..e0e8aef6b 100644
--- a/tests/basic-types/floats.vala
+++ b/tests/basic-types/floats.vala
@@ -45,6 +45,11 @@ void test_double () {
 	string s = d.to_string ();
 	assert (s == "42");
 
+	unowned string unparsed;
+	double.try_parse ("3.45mm", out d, out unparsed);
+	assert (d == 3.45);
+	assert (unparsed == "mm");
+
 	// ensure that MIN and MAX are valid values
 	d = double.MIN;
 	assert (d == double.MIN);
diff --git a/tests/basic-types/integers.vala b/tests/basic-types/integers.vala
index 40eebfae6..4e91071b0 100644
--- a/tests/basic-types/integers.vala
+++ b/tests/basic-types/integers.vala
@@ -70,6 +70,20 @@ void test_int () {
 	string s = i.to_string ();
 	assert (s == "42");
 
+	unowned string unparsed;
+	int64 i64;
+	int64.try_parse ("-4711inch", out i64, out unparsed);
+	assert (i64 == -4711);
+	assert (unparsed == "inch");
+	int64.try_parse ("-31415km", out i64);
+	assert (i64 == -31415);
+	uint64 ui64;
+	uint64.try_parse ("4711yards", out ui64, out unparsed);
+	assert (ui64 == 4711);
+	assert (unparsed == "yards");
+	uint64.try_parse ("31415yards", out ui64);
+	assert (ui64 == 31415);
+
 	// ensure that MIN and MAX are valid values
 	i = int.MIN;
 	assert (i == int.MIN);