tests: full coverage for var_InheritURational()

test/src/misc/variables.c

@@ -98,6 +98,74 @@ static void test_floats( libvlc_int_t *p_libvlc )
         var_Destroy( p_libvlc, psz_var_name[i] );
 }
 
+static void test_fracts( libvlc_int_t *p_libvlc )
+{
+    const char *name = psz_var_name[0];
+    unsigned num, den;
+
+    var_Create( p_libvlc, name, VLC_VAR_STRING );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) != 0 );
+
+    var_SetString( p_libvlc, name, "123garbage" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) != 0 );
+
+    var_SetString( p_libvlc, name, "4/5garbage" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) != 0 );
+
+    var_SetString( p_libvlc, name, "6.7garbage" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) != 0 );
+
+    var_SetString( p_libvlc, name, "." );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 0 && den == 1 );
+
+    var_SetString( p_libvlc, name, "010" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 10 && den == 1 );
+
+    var_SetString( p_libvlc, name, "30" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 30 && den == 1 );
+
+    var_SetString( p_libvlc, name, "30.0" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 30 && den == 1 );
+
+    var_SetString( p_libvlc, name, "030.030" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 3003 && den == 100 );
+
+    var_SetString( p_libvlc, name, "60/2" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 30 && den == 1 );
+
+    var_SetString( p_libvlc, name, "29.97" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 2997 && den == 100 );
+
+    var_SetString( p_libvlc, name, "30000/1001" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 30000 && den == 1001 );
+
+    var_SetString( p_libvlc, name, ".125" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 1 && den == 8 );
+
+    var_SetString( p_libvlc, name, "12:9" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 4 && den == 3 );
+
+    var_SetString( p_libvlc, name, "000000/00000000" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 0 && den == 0 );
+
+    var_SetString( p_libvlc, name, "12345/0" );
+    assert( var_InheritURational( p_libvlc, &num, &den, name ) == 0 );
+    assert( num == 1 && den == 0 );
+
+    var_Destroy( p_libvlc, name );
+}
+
 static void test_strings( libvlc_int_t *p_libvlc )
 {
     for( unsigned i = 0; i < VAR_COUNT; i++ )
@@ -394,6 +462,9 @@ static void test_variables( libvlc_instance_t *p_vlc )
     log( "Testing for floats\n" );
     test_floats( p_libvlc );
 
+    log( "Testing for rationals\n" );
+    test_fracts( p_libvlc );
+
     log( "Testing for strings\n" );
     test_strings( p_libvlc );