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-rw-r--r--spec/parcom_spec.cr50
1 files changed, 48 insertions, 2 deletions
diff --git a/spec/parcom_spec.cr b/spec/parcom_spec.cr
index 937c43c..57c5024 100644
--- a/spec/parcom_spec.cr
+++ b/spec/parcom_spec.cr
@@ -402,10 +402,56 @@ describe Tokens do
end
end
-pending Many do
+describe Many do
+ p = Many.new(Token.new('a'))
+
+ describe "#parse" do
+ it "returns an empty array if the wrapped parser never succeeds" do
+ tokens = TokenStream.from_string("bb")
+ result = p.parse(tokens)
+
+ result.value.empty?.should be_true
+ result.tokens.should eq(tokens)
+ end
+
+ it "stops parsing when the wrapped parser fails, returns all successes" do
+ tokens = TokenStream.from_string("aaabcd")
+ result = p.parse(tokens)
+
+ result.value.should eq("aaa".chars)
+ result.tokens.should eq(tokens[3..])
+
+ tokens = TokenStream.from_string("aaa")
+ result = p.parse(tokens)
+
+ result.value.should eq("aaa".chars)
+ result.tokens.should eq(tokens[3..])
+ end
+ end
end
-pending Some do
+describe Some do
+ p = Some.new(Token.new('a'))
+ describe "#parse" do
+ it "fails if the wrapped parser never succeeds" do
+ tokens = TokenStream.from_string("")
+ expect_raises(ParserException) { p.parse(tokens) }
+ end
+
+ it "stops parsing when the wrapped parser fails, returns all successes" do
+ tokens = TokenStream.from_string("aaabcd")
+ result = p.parse(tokens)
+
+ result.value.should eq("aaa".chars)
+ result.tokens.should eq(tokens[3..])
+
+ tokens = TokenStream.from_string("aaa")
+ result = p.parse(tokens)
+
+ result.value.should eq("aaa".chars)
+ result.tokens.should eq(tokens[3..])
+ end
+ end
end
pending Exactly do