Add opt-in/out unit testing for API version below minimum

Bug: angleproject:2794 Change-Id: I133ebd4afb7064e8ac461f4f7174ec59af5ea0d1 Reviewed-on: https://chromium-review.googlesource.com/c/1380716Reviewed-by: Ian Elliott <ianelliott@google.com> Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Commit-Queue: Ian Elliott <ianelliott@google.com>

Add opt-in/out unit testing for API version below minimum
18017ca4 · Ian Elliott · Commit Bot · 5a8d0bc2 · 18017ca4
Commit 18017ca4 authored Dec 17, 2018 by Ian Elliott Committed by Commit Bot Dec 17, 2018
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feature_support_util_unittest.cpp src/feature_support_util/feature_support_util_unittest.cpp +6 -0

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--- a/src/feature_support_util/feature_support_util_unittest.cpp
+++ b/src/feature_support_util/feature_support_util_unittest.cpp
@@ -38,6 +38,8 @@ TEST_F(FeatureSupportUtilTest, APIVersion)
 {
    unsigned int versionToUse;
    unsigned int zero = 0;
+    unsigned int lowestMinusOne =
+        (kFeatureVersion_LowestSupported > 1) ? kFeatureVersion_LowestSupported - 1 : zero;
    versionToUse = kFeatureVersion_LowestSupported;
    EXPECT_TRUE(ANGLEGetFeatureSupportUtilAPIVersion(&versionToUse));
@@ -51,6 +53,10 @@ TEST_F(FeatureSupportUtilTest, APIVersion)
    EXPECT_FALSE(ANGLEGetFeatureSupportUtilAPIVersion(&versionToUse));
    EXPECT_EQ(zero, versionToUse);
+    versionToUse = lowestMinusOne;
+    EXPECT_FALSE(ANGLEGetFeatureSupportUtilAPIVersion(&versionToUse));
+    EXPECT_EQ(lowestMinusOne, versionToUse);
    versionToUse = kFeatureVersion_HighestSupported + 1;
    EXPECT_TRUE(ANGLEGetFeatureSupportUtilAPIVersion(&versionToUse));
    EXPECT_EQ(kFeatureVersion_HighestSupported, versionToUse);