From: Matt Turner <mattst88@gmail.com>
Date: Wed, 4 Nov 2015 22:38:27 +0000 (-0800)
Subject: i965: Test that nonrepresentable floats cannot be converted to VF.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f6986a81c93de9796e2c805ef831bb110109ed23;p=mesa.git

i965: Test that nonrepresentable floats cannot be converted to VF.

Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
---

diff --git a/src/mesa/drivers/dri/i965/test_vf_float_conversions.cpp b/src/mesa/drivers/dri/i965/test_vf_float_conversions.cpp
index 7f0342548f6..7af97d0d097 100644
--- a/src/mesa/drivers/dri/i965/test_vf_float_conversions.cpp
+++ b/src/mesa/drivers/dri/i965/test_vf_float_conversions.cpp
@@ -93,3 +93,18 @@ TEST_F(vf_float_conversion_test, test_special_case_0)
    EXPECT_EQ(f2u(brw_vf_to_float(brw_float_to_vf(+0.0f))), f2u(+0.0f));
    EXPECT_EQ(f2u(brw_vf_to_float(brw_float_to_vf(-0.0f))), f2u(-0.0f));
 }
+
+TEST_F(vf_float_conversion_test, test_nonrepresentable_float_input)
+{
+   EXPECT_EQ(brw_float_to_vf(+32.0f), -1);
+   EXPECT_EQ(brw_float_to_vf(-32.0f), -1);
+
+   EXPECT_EQ(brw_float_to_vf(+16.5f), -1);
+   EXPECT_EQ(brw_float_to_vf(-16.5f), -1);
+
+   EXPECT_EQ(brw_float_to_vf(+8.25f), -1);
+   EXPECT_EQ(brw_float_to_vf(-8.25f), -1);
+
+   EXPECT_EQ(brw_float_to_vf(+4.125f), -1);
+   EXPECT_EQ(brw_float_to_vf(-4.125f), -1);
+}