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-rw-r--r--eval/src/tests/eval/tensor_spec/tensor_spec_test.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/eval/src/tests/eval/tensor_spec/tensor_spec_test.cpp b/eval/src/tests/eval/tensor_spec/tensor_spec_test.cpp
index 4c5b847abc1..6023d472d13 100644
--- a/eval/src/tests/eval/tensor_spec/tensor_spec_test.cpp
+++ b/eval/src/tests/eval/tensor_spec/tensor_spec_test.cpp
@@ -7,6 +7,10 @@
using vespalib::Slime;
using vespalib::eval::TensorSpec;
+auto my_nan = std::numeric_limits<double>::quiet_NaN();
+auto my_neg_inf = (-1.0/0.0);
+auto my_inf = (1.0/0.0);
+
TEST("require that a tensor spec can be converted to and from slime") {
TensorSpec spec("tensor(x[2],y{})");
spec.add({{"x", 0}, {"y", "xxx"}}, 1.0)
@@ -30,6 +34,17 @@ TEST("require that a tensor spec can be converted to and from an expression") {
EXPECT_EQUAL(TensorSpec::from_expr(expr), spec);
}
+TEST("require that nan/inf/-inf cells get converted to valid expressions") {
+ TensorSpec spec("tensor<float>(x[2],y{})");
+ spec.add({{"x", 0}, {"y", "xxx"}}, my_nan)
+ .add({{"x", 0}, {"y", "yyy"}}, my_nan)
+ .add({{"x", 1}, {"y", "xxx"}}, my_neg_inf)
+ .add({{"x", 1}, {"y", "yyy"}}, my_inf);
+ vespalib::string expr = spec.to_expr();
+ fprintf(stderr, "expr: \n%s\n", expr.c_str());
+ EXPECT_EQUAL(TensorSpec::from_expr(expr), spec);
+}
+
TEST("require that tensor specs can be diffed") {
TensorSpec expect("tensor(x[2],y{})");
expect.add({{"x", 0}, {"y", "xxx"}}, 1.5)