1 files changed, 221 insertions, 0 deletions
diff --git a/v_windows/v/vlib/builtin/string_int_test.v b/v_windows/v/vlib/builtin/string_int_test.v
new file mode 100644
index 0000000..a17563d
--- /dev/null
+++ b/v_windows/v/vlib/builtin/string_int_test.v
@@ -0,0 +1,221 @@
+import strconv
+
+fn test_common_atoi() {
+	// test common cases
+	assert '70zzz'.int() == 70
+	assert '2901issue'.int() == 2901
+	assert '234232w'.int() == 234232
+	assert '-9009x'.int() == -9009
+	assert '0y'.int() == 0
+
+	// test lead zeros
+	assert '0000012'.int() == 12
+	assert '-0000012'.int() == -12
+	assert '0x001F'.int() == 31
+	assert '-0x001F'.int() == -31
+	assert '0x001f'.int() == 31
+	assert '0o00011'.int() == 9
+	assert '0b00001001'.int() == 9
+
+	// test underscore in string
+	assert '-10_000'.int() == -10000
+	assert '-0x00_0_f_ff'.int() == -0xfff
+	assert '10_000_000'.int() == 10000000
+
+	for n in -10000 .. 100000 {
+		s := n.str() + 'z'
+		assert s.int() == n
+	}
+}
+
+fn test_unsigned_cast() {
+	// tests for u16
+
+	// test common cases
+	assert '70zzz'.u16() == 70
+	assert '2901issue'.u16() == 2901
+	assert '0y'.u16() == 0
+
+	// test lead zeros
+	assert '0000012'.u16() == 12
+	assert '0x001F'.u16() == 31
+	assert '0x001f'.u16() == 31
+	assert '0o00011'.u16() == 9
+	assert '0b00001001'.u16() == 9
+
+	// tests for u32
+
+	// test common cases
+	assert '70zzz'.u32() == 70
+	assert '2901issue'.u32() == 2901
+	assert '234232w'.u32() == 234232
+	assert '-9009x'.u32() == 0
+	assert '0y'.u32() == 0
+
+	// test lead zeros
+	assert '0000012'.u32() == 12
+	assert '-0000012'.u32() == 0
+	assert '0x001F'.u32() == 31
+	assert '-0x001F'.u32() == 0
+	assert '0x001f'.u32() == 31
+	assert '0o00011'.u32() == 9
+	assert '0b00001001'.u32() == 9
+
+	// test underscore in string
+	assert '-10_000'.u32() == 0
+	assert '-0x00_0_f_ff'.u32() == 0
+	assert '10_000_000'.u32() == 10000000
+
+	for n in 0 .. u32(100) {
+		s := n.str() + 'z'
+		assert s.u32() == n
+	}
+
+	// tests for u64
+
+	// test common cases
+	assert '70zzz'.u64() == 70
+	assert '2901issue'.u64() == 2901
+	assert '234232w'.u64() == 234232
+	assert '-9009x'.u64() == 0
+	assert '0y'.u64() == 0
+
+	// test lead zeros
+	assert '0000012'.u64() == 12
+	assert '-0000012'.u64() == 0
+	assert '0x001F'.u64() == 31
+	assert '-0x001F'.u64() == 0
+	assert '0x001f'.u64() == 31
+	assert '0o00011'.u64() == 9
+	assert '0b00001001'.u64() == 9
+
+	// test underscore in string
+	assert '-10_000'.u64() == 0
+	assert '-0x00_0_f_ff'.u64() == 0
+	assert '10_000_000'.u64() == 10000000
+
+	for n in 0 .. u64(10000) {
+		s := n.str() + 'z'
+		assert s.u64() == n
+	}
+}
+
+fn test_signed_cast() {
+	// tests for i64
+
+	// test common cases
+	assert '70zzz'.i64() == 70
+	assert '2901issue'.i64() == 2901
+	assert '234232w'.i64() == 234232
+	assert '-9009x'.i64() == -9009
+	assert '0y'.i64() == 0
+
+	// test lead zeros
+	assert '0000012'.i64() == 12
+	assert '-0000012'.i64() == -12
+	assert '0x001F'.i64() == 31
+	assert '-0x001F'.i64() == -31
+	assert '0x001f'.i64() == 31
+	assert '0o00011'.i64() == 9
+	assert '0b00001001'.i64() == 9
+
+	// test underscore in string
+	assert '-10_000'.i64() == -10000
+	assert '-0x00_0_f_ff'.i64() == -0xfff
+	assert '10_000_000'.i64() == 10000000
+
+	for n in -10000 .. 100000 {
+		s := n.str() + 'z'
+		assert s.i64() == n
+	}
+
+	// tests for i8
+
+	// test common cases
+	assert '70zzz'.i8() == 70
+	assert '29issue'.i8() == 29
+	assert '22w'.i8() == 22
+	assert '-90x'.i8() == -90
+	assert '0y'.i8() == 0
+
+	// test lead zeros
+	assert '0000012'.i8() == 12
+	assert '-0000012'.i8() == -12
+	assert '0x001F'.i8() == 31
+	assert '-0x001F'.i8() == -31
+	assert '0x001f'.i8() == 31
+	assert '0o00011'.i8() == 9
+	assert '0b000011'.i8() == 3
+
+	// test underscore in string
+	assert '-10_0'.i8() == -100
+	assert '-0x0_0_f'.i8() == -0xf
+	assert '10_0'.i8() == 100
+
+	for n in -10 .. 100 {
+		s := n.str() + 'z'
+		assert s.i8() == n
+	}
+
+	// tests for i16
+
+	// test common cases
+	assert '70zzz'.i16() == 70
+	assert '2901issue'.i16() == 2901
+	assert '2342w'.i16() == 2342
+	assert '-9009x'.i16() == -9009
+	assert '0y'.i16() == 0
+
+	// test lead zeros
+	assert '0000012'.i16() == 12
+	assert '-0000012'.i16() == -12
+	assert '0x001F'.i16() == 31
+	assert '-0x001F'.i16() == -31
+	assert '0x001f'.i16() == 31
+	assert '0o00011'.i16() == 9
+	assert '0b00001001'.i16() == 9
+
+	// test underscore in string
+	assert '-10_0'.i16() == -100
+	assert '-0x00_0_fff'.i16() == -0xfff
+	assert '10_0'.i16() == 100
+
+	for n in -100 .. 100 {
+		s := n.str() + 'z'
+		assert s.i16() == n
+	}
+
+	// test g format
+	unsafe {
+		mut u := strconv.Float64u{
+			u: strconv.double_plus_zero
+		}
+		assert '${u.f:g}' == '0'
+		assert '${u.f:G}' == '0'
+		u.u = strconv.double_minus_zero
+		assert '${u.f:g}' == '0'
+		assert '${u.f:G}' == '0'
+		u.u = strconv.double_plus_infinity
+		assert '${u.f:g}' == '+inf'
+		assert '${u.f:G}' == '+INF'
+		u.u = strconv.double_minus_infinity
+		assert '${u.f:g}' == '-inf'
+		assert '${u.f:G}' == '-INF'
+	}
+	unsafe {
+		mut u := strconv.Float32u{
+			u: strconv.single_plus_zero
+		}
+		assert '${u.f:g}' == '0'
+		assert '${u.f:G}' == '0'
+		u.u = strconv.single_minus_zero
+		assert '${u.f:g}' == '0'
+		assert '${u.f:G}' == '0'
+		u.u = strconv.single_plus_infinity
+		assert '${u.f:g}' == '+inf'
+		assert '${u.f:G}' == '+INF'
+		u.u = strconv.single_minus_infinity
+		assert '${u.f:g}' == '-inf'
+		assert '${u.f:G}' == '-INF'
+	}
+}